Activity restriction induced by fear of falling and objective and subjective measures of physical function: a prospective cohort study

OBJECTIVES: To examine whether activity restriction specifically induced by fear of falling (FF) contributes to greater risk of disability and decline in physical function. DESIGN: Prospective cohort study. SETTING: Population‐based older cohort. PARTICIPANTS: Six hundred seventy‐three community‐living elderly (≥65) participants in the Invecchiare in Chianti Study who reported FF. MEASUREMENTS: FF, fear‐induced activity restriction, cognition, depressive symptoms, comorbidities, smoking history, and demographic factors were assessed at baseline. Disability in activities of daily living (ADLs) and instrumental activities of daily living (IADLs) and performance on the Short Performance Physical Battery (SPPB) were evaluated at baseline and at the 3‐year follow‐up. RESULTS: One‐quarter (25.5%) of participants did not report any activity restriction, 59.6% reported moderate activity restriction (restriction or avoidance of <3 activities), and 14.9% reported severe activity restriction (restriction or avoidance of ≥3 activities). The severe restriction group reported significantly higher IADL disability and worse SPPB scores than the no restriction and moderate restriction groups. Severe activity restriction was a significant independent predictor of worsening ADL disability and accelerated decline in lower extremity performance on SPPB over the 3‐year follow‐up. Severe and moderate activity restriction were independent predictors of worsening IADL disability. Results were consistent even after adjusting for multiple potential confounders. CONCLUSION: In an elderly population, activity restriction associated with FF is an independent predictor of decline in physical function. Future intervention studies in geriatric preventive care should directly address risk factors associated with FF and activity restriction to substantiate long‐term effects on physical abilities and autonomy of older persons.     

Incident physical disability in people with lower extremity peripheral arterial disease: the role of cardiovascular disease

OBJECTIVES: To evaluate the risk of incident physical disability and the decline in gait speed over a 6-year follow-up associated with a low ankle-arm index (AAI) in older adults.
DESIGN: Observational cohort study.
SETTING: Forsyth County, North Carolina; Sacramento County, California; Washington County, Maryland; and Allegheny County, Pennsylvania.
PARTICIPANTS: Four thousand seven hundred five older adults, 58% women and 17.6% black, participating in the Cardiovascular Health Study.
MEASUREMENTS: AAI was measured in 1992/93 (baseline). Self-reported mobility, activity of daily living (ADL), and instrumental activity of daily living (IADL) disability and gait speed were recorded at baseline and at 1-year intervals over 6 years of follow-up. Mobility disability was defined as any difficulty walking half a mile and ADL and IADL disability was defined as any difficulty with 11 specific ADL and IADL tasks. Individuals with mobility, ADL, or IADL disability at baseline were excluded from the respective incident disability analyses.
RESULTS: Lower baseline AAI values were associated with increased risk of mobility disability and ADL/IADL disability. Clinical cardiovascular disease (CVD), diabetes mellitus, and interim CVD events partially explained these associations for mobility disability and clinical CVD and diabetes mellitus partially explained these associations for ADL and IADL disability. Individuals with an AAI less than 0.9 had on average a mean decrease in gait speed of 0.02 m/s per year, or a decline of 0.12 m/s over the 6-year follow-up. Prevalent CVD partly explained this decrease but interim CVD events did not further attenuate it.
CONCLUSION: Low AAI serves as marker of future disability risk. Reduction of disability risk in patients with a low AAI should consider cardiovascular comorbidity and the prevention of additional disabling CVD events.     

The mediating role of cognition in the relationship between sleep duration and instrumental activities of daily living disability among middle-aged and older Chinese

ObjectiveTo explore the effect of sleep duration at baseline on the incident IADL disability among middle-aged and older Chinese, and test whether cognition mediates this causality.MethodsData were collected from wave 1 (2011-2012) to wave 3 (2015-2016) of the China Health and Retirement Longitudinal Study (CHARLS). Sleep duration was self-reported at baseline. Cognitive function, including episodic memory and mental intactness were measured via a questionnaire. IADL was assessed at baseline and follow-up. Baron and Kenny's causal steps and Karlson/Holm/Breen (KHB) method were conducted to examine the mediating effect.ResultsA total of 10,328 participants free of IADL disability at baseline were included in this study. Over 4 years of follow-up, 17.1% of participants developed IADL disability. Compared to 7-8 h sleep duration, both short sleep (OR=1.460; 95% CI: 1.261-1.690 for sleeping ≤5 h; OR= 1.189; 95% CI: 1.011-1.400 for sleeping 5-7 h) and long sleep (OR=1.703; 95% CI: 1.269-2.286 for sleeping >9 h) were linked with incident IADL disability. KHB method identified significant mediating effect of cognition on the relationship between extreme sleep durations (≤5 h or >9 h) and IADL disability and the proportional mediation through cognition was 21.32% and 21.06% for sleeping ≤5 h and >9 h, respectively.ConclusionBoth short (sleeping ≤5 h) and long sleep duration (sleeping >9 h) predicted incident IADL disability. Cognition partially mediated the effect of extreme sleep durations on IADL disability.     

Prediction of functional disability by depressive state among community‐dwelling elderly in Japan: A prospective cohort study

Aim: We carried out a prospective cohort study to evaluate the risk factors of functional disability by depressive state. Methods: A total of 783 men and women, aged 70 years and over, participated in this study. We followed the participants in terms of the onset of functional disability by using a public long‐term care insurance database. The Geriatric Depression Scale (GDS) was used to measure depressive state. Age, sex, history of chronic disease, living alone, fall experience, cognitive impairment, instrumental activities of daily living (IADL), the Motor Fitness Scale (MFS), frequency of going out and social support at baseline were used as the main covariates. The Cox regression analysis was used to examine the difference in functional disability stratified according to depressive state. Results: The incidence of functional disability was 38 persons in the non‐depression group and 42 persons in the depression group (RR 2.34; 95% CI 1.46–3.79). The results of the depression group showed a significant difference in cognitive impairment (HR 3.51; 95% CI 1.39–8.85), MFS (HR 5.60; 95% CI 1.32–23.81) and IADL (HR 3.37; 95% CI 1.65–6.85). The results of the non‐depression group showed a significant difference in MFS (HR 2.97; 95% CI 1.47–6.96), and frequency of going out (HR 3.21; 95% CI 1.47–6.96). Conclusions: In conclusion, risk factors for functional disability were found to differ on the basis of whether or not community‐dwelling elderly individuals experience depressive state. The type of support offered must be based on whether or not depressive state is present. Geriatr Gerontol Int 2012; ??: ??–?? .     

Modifiable risks of incident functional dependence in Hispanic and non-Hispanic white elders: the San Luis Valley Health and Aging Study

PURPOSE: This study identified modifiable risks associated with incident functional dependence, compared their effects, and estimated the percent risk attributable to each factor, by ethnicity. DESIGN AND METHODS: The prospective study cohort comprised 751 rural Hispanic and non-Hispanic White elders from southern Colorado who reported no dependence in basic and instrumental activities of daily living (ADLs and IADLs) at baseline. Logistic regression modeled the effects of physical inactivity, nutritional risk, smoking, and falls on incident disability 22 months later, with and without adjustment for baseline ADL and IADL difficulty. Population attributable risk percentages assessed these modifiable risks by ethnicity. RESULTS: Each risk factor multiplied the likelihood of incident dependence by 1.4 or more, adjusted for covariates. Attributable risk percentages ranged from 8% to 32% depending on risk factor, ethnicity, and baseline ADL and IADL difficulty status. Attributable risk was generally greater among Hispanic elders, the result of higher prevalence of most of the risk factors. IMPLICATIONS: Interventions targeted at inadequate nutrition, inactivity, smoking, and preventable falls offer opportunities to reduce incident functional disability, especially among Hispanic elders.     

Exercise Training and Plasma C‐Reactive Protein and Interleukin‐6 in Elderly People

OBJECTIVES: To determine the effects of a long‐term exercise intervention on two prominent biomarkers of inflammation (C‐reactive protein (CRP) and interleukin‐6 (IL‐6)) in elderly men and women. DESIGN: Single‐blind, randomized, controlled trial: The Lifestyle Interventions and Independence for Elders (LIFE) Trial. SETTING: The Cooper Institute, Dallas, Texas; Stanford University, Stanford, California; University of Pittsburgh, Pittsburgh, Pennsylvania; and Wake Forest University, Winston‐Salem, North Carolina. PARTICIPANTS: Four hundred twenty‐four elderly (aged 70–89), nondisabled, community‐dwelling men and women at risk for physical disability. INTERVENTION: A 12‐month moderate‐intensity physical activity (PA) intervention and a successful aging (SA) health education intervention. MEASUREMENTS: CRP and IL‐6. RESULTS: After adjustment for baseline IL‐6, sex, clinic site, diabetes mellitus, treatment group, visit, and group‐by‐visit interaction, the PA intervention resulted in a lower (P=.02) IL‐6 concentration than the SA intervention. Adjusted mean IL‐6 at month 12 was 8.5% (0.21 pg/mL) higher in the SA than the PA group. There were no significant differences in CRP between the groups at 12 months (P=.09). Marginally significant interaction effects of the PA intervention according to baseline functional status (P=.05) and IL‐6 (above vs below the median; P=.06) were observed. There was a greater effect of the PA intervention on participants with lower functional status and those with a higher baseline IL‐6. CONCLUSION: Greater PA results in lower systemic concentrations of IL‐6 in elderly individuals, and this benefit is most pronounced in individuals at the greatest risk for disability and subsequent loss of independence.     

Chronic medical conditions as predictors of functional disability in an older population in Taiwan

Objective: As there is little understanding of disability processes in Taiwanese elders, the present study aimed to identify medical predictors of the incidence of activities of daily living (ADL) disability. Method: A total of 903 subjects were studied over a 4‐year period (1994–1998). The measurement instrument was the Chinese‐version Multidimensional Functional Assessment Questionnaire (CMFAQ). Only the subjects free of ADL disability at baseline were included in separate logistic regression models to predict disability in physical and instrumental ADL. Results: The hypothesised associations between chronic conditions and future functional disability were cross‐nationally confirmed. Arthritis, diabetes and hypertension were significantly predictive of the onset of physical ADL (PADL) disability; diabetes was the only medical predictor of instrumental ADL (IADL) disability. Age and educational level were significant predictors of PADL and IADL. Conclusions: Prevention programs for chronic disease need to pay more attention not only to the disabled population, but also to secondary prevention among those elders who have higher medical risk of developing disability.     

Longitudinal changes in higher-level functional capacity of an older population living in a Japanese urban community

This study examined the present state and longitudinal changes in higher-level functional capacity in a Japanese urban community. Persons aged 65-84 years living in a suburb of central Tokyo participated in a baseline survey held in 1991 (n = 814) and followed-up for 8 years. Outcome measures were disabilities in: instrumental self-maintenance (IADL), the intellectual activity scale (intellectual activity) and the social role scale (social role), as measured by subscales of the Tokyo Metropolitan Institute of Gerontology Index of Competence (TMIG-index of competence). At baseline among the three subscales, both older men and women had the highest prevalence of disability in social role, followed in turn by intellectual activity and IADL disability. The 8-year longitudinal survey on subjects who had no initial disability (229 men and 235 women) in all three subscales of TMIG-index of competence demonstrated that they were most likely to lose social role function with advancing age, followed in turn by intellectual activity and IADL. The Cox proportional hazard model analysis for all 814 participants revealed that baseline level of social role and intellectual activity significantly predicted the new onset of IADL disability during the 8-year follow-up period even after controlling for gender, age, and chronic medical conditions. In summary, disability in social role and intellectual activity do not only likely precede IADL disability, but also predict significantly the future onset of IADL disability in a Japanese urban community older population.     

Sensory impairments and incident disability in older men living in a British community: a 2 year follow-up study

BackgroundSensory impairments are common in older adults, who are a rapidly growing proportion of the UK population, making age-related sensory impairments an increasingly important public health concern. We explored the association between impairments in hearing and vision and the risk of incident mobility disability, activities of daily living (ADL), and instrumental ADL (IADL).Methods3981 men aged 63–85 years from the population-based British Regional Heart Study were followed from Jan 1, 2003, to April 30, 2005. Self-reported data on hearing aid use and ability to follow television at a volume acceptable to others allowed for four categories of hearing: could hear (reference group), could hear with hearing aid, could not hear and no aid, and could not hear despite aid. Vision impairment was defined as not being able to recognise a friend across a road. Measures of disability included mobility disability (defined as unable to take stairs up or down, or unable to walk 400 yards, or a combination of these movements), ADL difficulties, and IADL difficulties. Logistic regression was used to assess associations. All participants provided written, informed consent. Ethics approval was obtained from local research ethics committees.FindingsAt baseline, 3108 men were free from mobility disability, 3346 were free from ADL difficulties, and 3410 were free from IADL difficulties. New cases of disability at follow-up included mobility disability (n=238), ADL (n=260), and IADL (n=207). Men who could not hear and did not use a hearing aid had greater risks of mobility disability (age-adjusted relative risk 2·24, 95% CI 1·29–3·89). Being unable to hear, irrespective of hearing aid, was associated with increased risks of ADL (without aid 1·74, 1·19–2·55; with aid 2·01, 1·16–3·46). Men who could hear and used a hearing aid and men who could not hear despite an aid had increased risks of IADL (1·86, 1·29–2·70 and 2·74, 1·53–4·93, respectively). Vision impairment was not associated with incident mobility disability.InterpretationOlder men with hearing impairment have an increased risk of subsequent disability. Prevention and correction of hearing impairment could enhance independent living in later life. Further research is warranted on the possible pathways underlying the associations, to prevent adverse health outcomes associated with age-related hearing impairment.FundingThe British Regional Heart Study is funded by the British Heart Foundation. AEML is funded by the National Institute for Health Research School for Public Health Research (509546). SER is funded by a UK Medical Research Council Fellowship (G1002391).     

Are physically frail older persons more at risk of adverse outcomes if they also suffer from cognitive,social, and psychological frailty?

Frailty is considered a predictor for negative outcomes such as disability, decreased quality of life, and hospital admission. Frailty measures have been developed that include different dimensions. We examined whether people who are physically frail are more at risk for negative outcomes of frailty if they also suffer from psychological, cognitive, or social frailty. Frailty was measured at baseline by means of the Groningen Frailty Indicator (GFI), which comprises a physical, cognitive, social, and psychological dimension. Only frail persons were included in the study (GFI ≥ 5) that, in addition, had to be frail in the physical dimension (i.e., ≥1 on this dimension). IADL disability and quality of life were measured at baseline and at 12 months. Hospital admission was assessed during this period. In this, physically frail sample effects of the other three frailty dimensions were studied in regression models. The sample (n = 334, mean age 78.1, and range 70–92) included 40.1 % frail men and 59.9 % frail women. Overall, no additional effects for the cognitive, social, or psychosocial dimensions were found: other frailty dimensions did not have an additional impact on disability, quality of life, or hospital admission in people who already suffered from physical frailty. Higher scores of physical frailty were significantly related to IADL disability (p < 0.05) and hospital admission (p < 0.05). Additional analysis showed that the physical frailty score predicted IADL disability and hospital admission better than the GFI overall score. Results of this study suggest that persons, who are physically frail, according to the GFI, are not more at risk for negative outcomes of frailty (i.e., IADL disability, decreased quality of life, and hospital admission) if they in addition suffer from cognitive, social, or psychological frailty. In addition, for the prediction of IADL disability or hospital admission, the focus for screening should be on the physical frailty score instead of the GFI overall score including different dimensions.     

Musculoskeletal pain and incident disability in community‐dwelling older adults

Objective

To test the hypothesis that the number of areas of musculoskeletal pain reported is related to incident disability.

Methods

Subjects included 898 older persons from the Rush Memory and Aging Project without dementia, stroke, or Parkinson's disease at baseline. All participants underwent detailed baseline evaluation of self‐reported pain in the neck or back, hands, hips, knees, or feet, as well as annual self‐reported assessments of instrumental activities of daily living (IADLs), basic activities of daily living (ADLs), and mobility disability. Mobility disability was also assessed using a performance‐based measure.

Results

The average followup was 5.6 years. Using a series of proportional hazards models that controlled for age, sex, and education, the risk of IADL disability increased by ～10% for each additional painful area reported (hazard ratio [HR] 1.10, 95% confidence interval [95% CI] 1.01–1.20) and the risk of ADL disability increased by ～20% for each additional painful area (HR 1.20, 95% CI 1.11–1.31). The association with self‐report mobility disability did not reach significance (HR 1.09, 95% CI 0.99–1.20). However, the risk of mobility disability based on gait speed performance increased by ～13% for each additional painful area (HR 1.13, 95% CI 1.04–1.22). These associations did not vary by age, sex, or education and were unchanged after controlling for several potential confounding variables including body mass index, physical activity, cognition, depressive symptoms, vascular risk factors, and vascular diseases.

Conclusion

Among nondisabled community‐dwelling older adults, the risk of disability increases with the number of areas reported with musculoskeletal pain.     

Physical activity, functional limitations, and disability in older adults

OBJECTIVES: To explore initially how low levels of physical activity influence lower body functional limitations in participants of the Longitudinal Study of Aging. Changes in functional limitations are used subsequently to predict transitions in the activities of daily living/instrumental activities of daily living (ADL/IADL) disability, thus investigating a potential pathway for how physical activity may delay the onset of ADL/IADL disability and, thus, prolong independent living. DESIGN: Analysis of a complex sample survey of US civilian, noninstitutionalized population aged 70 years and older in 1984, with repeated interviews in 1986, 1988, and 1990. SETTING AND PARTICIPANTS: Analyses concentrated on 5151 men and women targeted for interview at all four LSOA interviews. MEASUREMENTS: Characteristics used in analyses: gender, age, level of physical activity, comorbid conditions including the presence of hypertension, diabetes, arthritis, and atherosclerotic heart disease, levels of functional limitations, and ADL/IADL disability. RESULTS: Transitional models provide evidence that older adults who have varying levels of disability and who report at least a minimal level of physical activity experience a slower progression in functional limitations (OR = .45, P < .001 for severe vs less severe limitations). This low level of physical activity, through its influence on changes in functional limitations, is shown to slow the progression of ADL/IADL disability. CONCLUSIONS: Results from analyses provide supporting evidence that functional limitations can mediate the effect that physical activity has on ADL/IADL disability. These results contribute further to the increasing data that seem to suggest that physical activity can reduce the progression of disability in older adults.     

Primary care–based physical activity programs: effectiveness in sedentary older patients with osteoarthritis symptoms

Objective

This study examined, in a group of older patients, (a) the effectiveness of an invitation to participate in a program providing individualized physical activity advice in a primary care setting and (b) the changes in self‐reported physical activity and symptoms in patients with osteoarthritis (OA).

Methods

Healthy, sedentary community‐dwelling men and women aged 60 years or more were invited to participate. Following random allocation, the intervention group received individualized physical activity advice at baseline and at 3, 6, and 12 months followup.

Results

Of the 299 people who satisfied the study's inclusion criteria, a subgroup of 69 people reported pain and stiffness of the hip or knee at baseline. These patients reported increases in frequency and time of walking and vigorous exercise (all P < 0.001), with no change to OA symptom scores (pain and stiffness), and a small decline in physical functioning was reported at 12 months followup in the control group only (P = 0.027). At the 12‐month followup more intervention participants than control participants (P = 0.013) reported a greater intention to exercise.

Conclusions

An offer of primary care–based physical activity advice, with an emphasis on the benefits for general health (rather than “treatment” for OA), will attract individuals with OA symptoms. Although the present study was unable to demonstrate intervention–control group differences for the majority of outcomes, intention to exercise did appear to be positively influenced. Arthritis Rheum (Arthritis Care Res) 45:228–234, 2001. © 2001, American College of Rhematology.

     

Mediating role of instrumental activities of daily living ability on cognitive function of older adults living alone: A 4-year longitudinal study from the Kasama study

The aim of this study was to clarify the effect of living alone on the cognitive function of older people and the mediating effect of instrumental activities of daily living (IADL) ability.The data for a final sample of 3276 participants aged 65 years and above who did not require long-term care at the baseline were used from a 4-year prospective cohort study conducted in Kasama City, Japan. Demographic data including age, sex, and depression at baseline were used as covariates. The Kihon checklist evaluated the IADL ability at baseline and cognitive function at follow-up. The characteristics of those living alone and with others were compared using the student t test and χ² test. The effect of living alone on cognitive function was analyzed using logistic regression analysis. Mediation analyses determined the mediating effects of IADL.A total of 325 participants were living alone; they were significantly older than those living with others, more likely to be female, not provide emotional support, and have low physical function, more severe depression, and lower IADL disability. Living alone had a significantly lower risk of cognitive decline at follow-up than living with others. The mediation analysis revealed that IADL disability at follow-up was significantly associated with cognitive decline. Thus, greater IADL ability decreased cognitive decline risk.Older people living alone had a significantly lower risk of cognitive decline, and cognitive function significantly mediated IADL ability. Health support for enhancing IADL abilities may help older people living alone maintain good cognitive function.     

Do Pedometers Increase Physical Activity in Sedentary Older Women? A Randomized Controlled Trial

OBJECTIVES: To determine the effectiveness of a behavior change intervention (BCI) with or without a pedometer in increasing physical activity in sedentary older women. DESIGN: Prospective randomized controlled trial. SETTING: Primary care, City of Dundee, Scotland. PARTICIPANTS: Two hundred four sedentary women aged 70 and older. INTERVENTIONS: Six months of BCI, BCI plus pedometer (pedometer plus), or usual care. MEASUREMENTS: Primary outcome: change in daily activity counts measured by accelerometry. Secondary outcomes: Short Physical Performance Battery, health‐related quality of life, depression and anxiety, falls, and National Health Service resource use. RESULTS: One hundred seventy‐nine of 204 (88%) women completed the 6‐month trial. Withdrawals were highest from the BCI group (15/68) followed by the pedometer plus group (8/68) and then the control group (2/64). After adjustment for baseline differences, accelerometry counts increased significantly more in the BCI group at 3 months than in the control group (P=.002) and the pedometer plus group (P=.04). By 6 months, accelerometry counts in both intervention groups had fallen to levels that were no longer statistically significantly different from baseline. There were no significant changes in the secondary outcomes. CONCLUSION: The BCI was effective in objectively increasing physical activity in sedentary older women. Provision of a pedometer yielded no additional benefit in physical activity, but may have motivated participants to remain in the trial. Trial registration: ISRCTN26786857     

Is the metabolic syndrome, with or without diabetes, associated with progressive disability in older Mexican Americans?

BACKGROUND: The metabolic syndrome (MetS) is highly prevalent in the growing U.S. Latino population. We hypothesize that MetS, with or without diabetes, is associated with progressive disability in older Mexican Americans. METHODS: Data from Mexican Americans 60-98 years old participating in the Sacramento Area Latino Study on Aging (SALSA) were analyzed from baseline through 3 years (3 years of follow-up). Disability was assessed by self-reported limitations in activities of daily living (ADLs), instrumental ADLs (IADLs), and mobility/strength tasks. MetS (46% of sample) was defined by National Cholesterol Education Program (NCEP) Adult Treatment Panel III criteria. Diabetes (DM, 33%) was defined by fasting blood sugar>125 mg/dL, physician diagnosis, and/or medication use. Four metabolic groups were defined: MetS with diabetes (MetS+DM+, n=402); MetS without diabetes (MetS+DM-, n=330); diabetes without MetS (MetS-DM+, n=125); and neither (MetS-DM-, n=749). Generalized estimating equation (GEE) regression models were used to evaluate the effect of metabolic group on physical limitations and disability changes over time. RESULTS: Diabetes, with or without MetS, was associated with a higher percent rate of increase over 3 years in ADL and IADL disability than was no diabetes, even after controlling for demographics, body mass index (BMI), and incident disease. The mean ADL score had a 35% higher rate of increase (higher = more impairment) for the MetS+DM+ group and 68% higher for the MetS-DM+ group. Results for IADL were similar. The baseline MetS, without or with diabetes, was associated with a significantly higher rate of increase in mobility/strength limitations (8% and 36.5%, respectively). CONCLUSIONS: In older Mexican Americans, MetS is associated with progressive limitations in mobility and strength. Preventing progressive mobility/strength limitations may require assessing and treating these impairments in people with MetS regardless of the presence of diabetes. However, preventing the progression of MetS without to MetS with diabetes may be important to limit the progression of ADL and IADL disability found in people with MetS and diabetes.     

Does subjective health matter? Predicting overall and specific ADL disability incidence

BackgroundThe aims of this study were to examine the incidence of activities of daily living (ADL) and instrumental activities of daily living (IADL) disability in a national sample of community‐living older adults, and to evaluate the value of baseline self-rated health (SRH) in predicting these outcomes. Additionally, we investigated whether SRH’s prognostic ability extended to individual ADL/IADL components (e.g. bathing, managing money).MethodsData were obtained from the 2014 and 2016 Korean Longitudinal Study of Aging (N = 3431). Respondents were aged 65+ and non-disabled at baseline. Setting the respondents with “very good” or “good” baseline SRH as the reference group, logistic regression models were applied to analyze the association between SRH and disability risk.ResultsThe overall incidence rates for ADL and IADL were 25.6 and 53.4/1000 person-years, respectively. Disability incidence increased significantly with poorer SRH. In multivariable regressions, subsequent 1 + ADL disability was significantly associated with “bad” (OR 2.86) and “very bad” SRH (OR 4.28). SRH also predicted 1 + IADL disability for respondents who reported “moderate”, “bad”, or “very bad” health (OR 2.01–3.39). SRH was predictive of three out of five ADL components, and seven out of 10 IADL components.ConclusionSRH predicted functional decline after two years in older adults without baseline disabilities, and its prognostic ability extended to individual ADL/IADL components. Patterns of SRH-morbidity associations can help health administrators identify those at risk of subsequent functional decline. Early interventions targeted at those with poor SRH can help alleviate the strain on long-term care support systems.     

Regular dental visits may prevent severe functional disability: A community-based prospective study

BackgroundPrevious studies have shown that regular dental visits can affect the relationship of tooth loss with mortality and functional disability. However, the independent association between regular dental visits and incident functional disability is unclear.MethodsOur study participants were community-dwelling individuals aged ≥65 years, without disability at baseline. The outcome was the level of incident functional disability, as defined in a new certification of the public long-term care insurance. We defined no disability as no certification at follow-up, mild disability as support levels 1–2 and care level 1 (i.e., independent in basic ADL, but requiring some help in daily activities), and severe disability as care levels 2–5 (i.e., dependent in basic ADL). The exposure variable, based on the questionnaire, was regular dental visits at baseline. Covariates included gender, age, socio-economic status, health status, lifestyle habits, physical and mental functioning, and oral health variables. Using multinomial logistic regression, we calculated adjusted odds ratio (aOR) and 95 % confidence interval (CI) for mild disability and severe disability, with no disability as a reference category.ResultsAmong 8,877 participants, the 33-month cumulative incidence of mild and severe disability was 6.0 % and 1.8 %, respectively. After controlling for all covariates, regular dental visits at baseline were significantly associated with a lower risk of incident severe disability (aOR 0.65; 95 % CI, 0.46–0.91) but not the incidence of mild disability (aOR 0.96; 95 % CI, 0.79–1.17).ConclusionsEncouraging dental visits may contribute to prevention of severe functional disability and extension of healthy life expectancy among community-dwelling older adults.     

The Veterans Learning to Improve Fitness and Function in Elders Study: A Randomized Trial of Primary Care–Based Physical Activity Counseling For Older Men

OBJECTIVES: To determine the effects of primary care–based, multicomponent physical activity counseling (PAC) promoting physical activity (PA) guidelines on gait speed and related measures of PA and function in older veterans.
DESIGN: Randomized controlled trial.
SETTING: Veterans Affairs Medical Center of Durham, North Carolina.
PARTICIPANTS: Three hundred ninety-eight male veterans aged 70 and older.
INTERVENTION: Twelve months of usual care (UC) or multicomponent PAC consisting of baseline in-person and every other week and then monthly telephone counseling by a lifestyle counselor, one-time clinical endorsement of PA, monthly automated telephone messaging from the primary care provider, and quarterly tailored mailings of progress in PA.
MEASUREMENTS: Gait speed (usual and rapid), self-reported PA, function, and disability at baseline and 3, 6, and 12 months.
RESULTS: Although no between-group differences were noted for usual gait speed, rapid gait speed improved significantly more for the PAC group (1.56±0.41 m/s to 1.68±0.44 m/s) than with UC (1.57±0.40 m/sec to 1.59±0.42 m/sec, P =.04). Minutes of moderate/vigorous PA increased significantly in the PAC group (from 57.1±99.3 to 126.6±142.9 min/wk) but not in the UC group (from 60.2±116.1 to 69.6±116.1 min/wk, P <.001). Changes in other functional/disability outcomes were small.
CONCLUSION: In this group of older male veterans, multicomponent PA significantly improved rapid gait and PA. Translation from increased PA to overall functioning was not observed. Integration with primary care was successful.     

A senior center-based pilot trial of the effect of lifestyle intervention on blood pressure in minority elderly people with hypertension

OBJECTIVES: To test the feasibility, acceptability, and effect of a senior center–based behavioral counseling lifestyle intervention on systolic blood pressure (BP). DESIGN: A pre‐post design pilot trial of behavioral counseling for therapeutic lifestyle changes in minority elderly people with hypertension. Participants completed baseline visit, Visit 1 (approximately 6 weeks postbaseline), and a final study Visit 2 (approximately 14 weeks postbaseline) within 4 months. SETTING: The study took place in six community‐based senior centers in New York City with 65 seniors (mean age 72.29±6.92; 53.8% female; 84.6% African American). PARTICIPANTS: Sixty‐five minority elderly people. INTERVENTION: Six weekly and two monthly “booster” group sessions on lifestyle changes to improve BP (e.g., diet, exercise, adherence to prescribed antihypertensive medications). MEASUREMENTS: Primary outcome was systolic BP (SBP) measured using an automated BP monitor. Secondary outcomes were diastolic BP (DBP), physical activity, diet, and adherence to prescribed antihypertensive medications. RESULTS: There was a significant reduction in average SBP of 13.0±21.1 mmHg for the intervention group (t(25)=3.14, P=.004) and a nonsignificant reduction in mean SBP of 10.6±30.0 mmHg for the waitlist control group (t(29)=1.95, P=.06). For the intervention group, adherence improved 26% (t(23)=2.31, P=.03), and vegetable intake improved 23% (t(25)=2.29, P=.03). CONCLUSION: This senior center–based lifestyle intervention was associated with a significant reduction in SBP and adherence to prescribed antihypertensive medications and diet in the intervention group. Participant retention and group attendance rates suggest that implementing a group‐counseling intervention in senior centers is feasible.