Identifying determinants of effective complementary feeding behaviour change interventions in developing countries

As stunting moves to the forefront of the global agenda, there is substantial evidence that behaviour change interventions (BCI) can improve infant feeding practices and growth. However, this evidence has not been translated into improved outcomes on a national level because we do not know enough about what makes these interventions work, for whom, when, why, at what cost and for how long. Our objective was to examine the design and implementation of complementary feeding BCI, from the peer‐reviewed literature, to identify generalisable key determinants. We identified 29 studies that evaluated BCI efficacy or effectiveness, were conducted in developing countries, and reported outcomes on infant and young children aged 6–24 months. Two potential determinants emerged: (1) effective studies used formative research to identify cultural barriers and enablers to optimal feeding practices, to shape the intervention strategy, and to formulate appropriate messages and mediums for delivery; (2) effective studies delineated the programme impact pathway to the target behaviour change and assessed intermediary behaviour changes to learn what worked. We found that BCI that used these developmental and implementation processes could be effective despite heterogeneous approaches and design components. Our analysis was constrained, however, by the limited published data on how design and implementation were carried out, perhaps because of publishing space limits. Information on cost‐effectiveness, sustainability and scalability was also very limited. We suggest a more comprehensive reporting process and a more strategic research agenda to enable generalisable evidence to accumulate.     

Infant and young child feeding learning sessions during savings groups are feasible and acceptable for HIV‐positive and HIV‐negative women in Malawi

Based on formative research, HIV‐positive women in Lilongwe District, Malawi receive little infant and young child feeding (IYCF) counselling postpartum and want more support for IYCF from their husbands. To address these gaps, we implemented a behaviour change communication intervention promoting IYCF in village savings and loan associations (VSLAs) that included HIV‐positive and HIV‐negative women. The intervention consisted of 15 IYCF learning sessions facilitated by VSLA volunteers during regular VSLA meetings and included four sessions to which husbands were invited. We assessed the feasibility and acceptability of the intervention through learning session participation logs, structured observations of learning sessions, and in‐depth interviews with HIV‐positive and HIV‐negative VSLA members, husbands of members, and VSLA volunteers. Nine VSLA volunteers conducted learning sessions with approximately 300–400 women, about one quarter of whom were lactating, and 25–35 men. VSLA volunteers consistently communicated technical information correctly, followed the learning session steps, and used visual aids. Sessions averaged 46 min, with <20% of observed sessions completed within the recommended time (20–25 min). Key themes from interviews were the following: (a) learning sessions were useful; (b) including HIV‐positive and HIV‐negative women in the sessions was acceptable; (c) information learned during sessions encouraged families to change IYCF practices; (d) IYCF messages were shared with others in the community; and (e) male participation was low because men considered VSLAs and IYCF to be women's activities. In conclusion, integrating IYCF learning sessions into VLSAs was feasible and acceptable for mixed groups of HIV‐positive and HIV‐negative women. Future research should test other strategies for involving men in IYCF.     

Effectiveness of a community-based responsive feeding programme in rural Bangladesh: a cluster randomized field trial

Responsive complementary feeding, whereby the mother feeds her child in response to child cues of hunger state and psychomotor abilities, is a problem in some countries, and likely contributes to malnutrition. Interventions are needed to evaluate whether promoting responsive feeding would add any benefit. Using a cluster randomized field trial, we evaluated a six-session educational programme that emphasized practice of two key behaviours, namely child self-feeding and maternal responsiveness. One hundred mothers and their 12- to 24-month-olds attended the sessions as part of village clusters randomly assigned to the intervention group. A similar number of controls received sessions on foods to feed and nutritional disorders. Outcomes assessed at pre-test, 2-week post-intervention and again 5-months post-intervention included weight, mouthfuls of food taken, self-feeding and maternal responsiveness. Research assistants, blind to group assignment, observed and coded mother and child behaviours during the midday meal. Secondary measures included foods fed and feeding messages recalled. Analysis was based on intention to treat and accounted for clustering. Only 10% of each group was lost to follow-up. Weight (d = 0.28), weight gain (d = 0.48) and child self-feeding (d = 0.30) were significantly higher in the responsive feeding group. Mouthfuls of food eaten and maternal responsiveness were not significantly increased by the intervention. Mothers in the intervention gave their children more vegetables, and spontaneously recalled more feeding messages at the 5-month follow-up. These results provide evidence that self-feeding and weight gain can improve by targeting specific behaviours, while maternal responsiveness may require more intensive strategies.     

Perspectives and reflections on the practice of behaviour change communication for infant and young child feeding

Behaviour change communication (BCC) is a critical component of infant and young child feeding (IYCF) interventions. In this study we asked BCC practitioners working in low‐ and middle‐income countries to participate in an examination of BCC practice. We focus here on results of their personal reflections related to larger issues of practice. We used a combination of iterative triangulation and snowball sampling procedures to obtain a sample of 29 BCC professionals. Major themes include (1) participants using tools and guidelines to structure their work, and many consider their organisation's tools to be their most important contribution to the field; (2) they value research to facilitate programme design and implementation; (3) half felt research needed to increase; (4) they have a strong commitment to respecting cultural beliefs and culturally appropriate programming; (5) they are concerned about lack of a strong theoretical foundation for their work. Based on participants' perspectives and the authors' reflections, we identified the following needs: (1) conducting a systematic examination of the alternative theoretical structures that are available for nutrition BCC, followed by a review of the evidence base and suggestions for future programmatic research to fill the gaps in knowledge; (2) developing a checklist of common patterns to facilitate efficiency in formative research; (3) developing an analytic compendium of current IYCF BCC guidelines and tools; (4) developing tools and guidelines that cover the full programme process, including use of innovative channels to support ‘scaling up nutrition’; and (5) continued support for programmes of proven effectiveness.     

Effectiveness of an educational intervention to improve child feeding practices and growth in rural China: updated results at 18 months of age

Inappropriate complementary feeding practices have led to, in part, significant disparities in growth and nutritional status between rural and urban children in China. A cluster‐randomised, controlled trial was implemented in Laishui, China to assess the effectiveness of an educational intervention on caregivers' feeding practices and children's growth. Eight townships were randomly assigned to the intervention or control. Five hundred ninety‐nine healthy infants were enrolled at 2–4 months old, and were followed up at ages 6, 9, 12, 15 and 18 months. The intervention group received information on enhanced home‐prepared recipes and food preparation and hygiene through group training, counselling and home visit. Key outcomes were children's physical growth, caregivers' knowledge and behaviours on complementary feeding, and the infant and child feeding index (ICFI). Analysis was by intention to treat. The intervention group achieved better knowledge and practices related to complementary feeding, and significantly higher ICFI scores at each follow‐up point. Children in the intervention group achieved higher z‐scores for weight‐for‐age (WAZ) and weight‐for‐height (WHZ) than the control (0.18 vs. 0.01 and 0.49 vs. 0.19, respectively) at 18 months old, and were less likely to have stunted growth (odds ratio = 0.71, 95% confidence interval: 0.53–0.94). Mixed model showed that the intervention group achieved significantly better linear growth over time, including WAZ (P = 0.016), WHZ (P = 0.030) and HAZ (P = 0.078). These results indicated that an educational intervention delivered through local health services can enhance caregivers' knowledge and practices of complementary feeding and ultimately improve children's growth.     

Infant temperament,maternal feeding behaviours and the timing of solid food introduction

Despite guidance from the World Health Organization and the U.K. Department of Health, many mothers introduce solid food before their infant is 6 months old. The current study aimed to investigate relationships between maternal feeding behaviours (preintroduction and postintroduction to solids), infant temperament, and the timing of introduction to solid food. Eighty‐one women were recruited on low‐risk maternity units and were contacted at 1 week, 3, and 6 months postpartum. Mothers of infants (45 males, 36 females, mean birth weight 3.52 kg [SD 0.39]) completed the behaviours component of the Infant Feeding Style Questionnaire via telephone interview at 3 months. At 6 months, they were observed feeding their infant solid food at home and reported infant temperament using the Infant Behaviour Questionnaire‐Revised (short form). Partial correlations (covariates: birth weight, maternal age, breastfeeding duration, and postnatal depression) revealed negative associations between age of introduction to solid food and temperament (smiling and laughter) and laissez‐faire milk feeding behaviours; and positive associations between age of introduction to solid food and restrictive milk feeding behaviours and verbal involvement during an observed mealtime. Hierarchical multiple regression analysis revealed that an infant's birth weight and the degree to which their mothers perceive them to smile and laugh are key predictors of when they will be introduced to solid food, over and above other variables of interest (e.g., maternal milk feeding behaviours, breastfeeding duration, and postnatal depression).     

Prevalence of premastication among children aged 6–36 months and its association with health: A cross‐sectional study in eight cities of China

Premastication is thought to be an adaptive behavior in the introduction of complementary plant‐bassed food to infants. It arouses controversy, however, because of the potential for transmitting saliva‐born infectious diseases. The aim of this study was to explore whether premastication by healthy caregivers was associated with children's health and behavior. The data were collected as part of the Maternal and Infant Nutrition and Growth study. From 8 cities in China, 1341 pairs of infants/toddlers and their caregivers were recruited. An interviewer‐administrated questionnaire collected data on sociodemographic characteristics, feeding behaviors, and self‐reported health status. Anthropometric measurements were taken and blood samples were collected for analysis of hemoglobin levels. The overall prevalence of premastication was 26.9% and varies from 14–43% among the 8 cities. Premastication was not associated with occurrences of illness or with the nutritional indicators of height‐for‐age Z score, weight‐for‐age Z score, weight‐for‐height Z score, head circumference Z score and hemoglobin (P all >.05). Premastication occurred more often among infants who were raised by their parents (P = .005), whose mothers' education was lower (P < .001), who were subject to more concern from their parents (P = .022), and whose parents thought their children had an obesity problem (P = .001). Presmastication was not associated with food picky behaviors. Premastication is still a common feeding practice in China. More studies are needed to determine the biological, economic, and cultural benefits or harm from premastication.     

Commercially produced complementary foods in Bandung City,Indonesia, are often reported to be iron fortified but with less than recommended amounts or suboptimal forms of iron

Commercially produced complementary foods (CPCF) that are iron fortified can help improve iron status of young children. We conducted a review of 217 CPCF sold in 42 stores in Bandung, Indonesia, in 2017. There were 95 (44%) infant cereals, 71 (33%) snacks or finger foods (biscuits or cookies, puffs, and noodles or crackers), 35 (16%) purees, and 16 (7%) other foods for which we obtained label information. Nearly 70% of CPCF reported iron content on their labels, but only 58% of products were reported to be fortified with iron according to ingredient lists. Among iron‐fortified products, only one fifth indicated a specific type of iron used as the fortificant, but all of these were recommended by the World Health Organization for fortifying complementary foods. Infant cereal was more likely to contain added iron (81%) compared with snacks or finger food (58%) and purees (14%) and had higher iron content per median serving size (cereal = 3.8 mg, snacks or finger food = 1.3 mg, mixed meals = 2.7 mg, and purees = 0.9 mg). Infant cereal was most likely to meet the recommended daily intakes for iron (41% for infants 6–12 months of age and 66% for children 12–36 months) compared with snacks or finger food (infants = 14%, children = 22%), mixed meals (infants = 28%, children = 46%), or purees (infants = 9%, children = 15%). Regulations on fortification of complementary foods need to specify minimum levels and forms of iron and require reporting in relation to requirements by child age and serving size. Monitoring and enforcement of regulations will be essential to ensure compliance.     

An mHealth voice messaging intervention to improve infant and young child feeding practices in Senegal

Mobile health (mHealth) interventions have the potential to improve infant and young child feeding (IYCF) practices; however, gaps in the literature remain regarding their design, implementation, and effectiveness. The aims of this study were to design an mHealth voice messaging intervention delivered to mothers and fathers targeting IYCF practices and examine its implementation and impact in households with children 6–23 months in three rural villages in Senegal. We conducted focus groups (n = 6) to inform the intervention development. We then conducted a pilot study (n = 47 households) to examine the impact of the intervention on IYCF practices of children 6–23 months. Voice messages were sent to the children's mothers and fathers over a period of 4 weeks (two messages per week; eight messages in total), and 24‐hr dietary recalls and food frequency questionnaires (FFQs) were conducted before and immediately after the implementation of the mHealth intervention to examine its impact on IYCF practices. Overall, three of the eight behaviours increased and one decreased. There was a significant increase in the number of children that consumed fish (60% vs. 94%; p = .008) as measured by the 24‐hr recall after the completion of the intervention. We also found significantly higher frequency of egg (p = .026), fish (p = .004), and thick porridge (p = .002) consumption in the previous 7 days measured by the FFQ. Our findings suggest that voice messaging IYCF interventions in Senegal have the potential to improve IYCF behaviours among young children in the short term. Future research should entail scaling‐up the intervention and examining its sustainability over the long‐term.     

Behaviour change communication for child feeding in social assistance: A scoping review and expert consultation

To increase the effectiveness of social assistance on child nutrition, programmes are increasingly combined with behaviour change communication for improved infant and young child feeding (BCC for IYCF). Unfortunately, there is limited knowledge about which BCC strategies are most effective when combined with social assistance. A systematic scoping review and an expert consultation was conducted to (1) describe the landscape of BCC for IYCF strategies used in social assistance within low‐ and middle‐income countries and (2) to examine the effects of these BCC strategies on IYCF practices and child nutrition. Ten quantitative, three qualitative and four mixed methods studies were reviewed and complemented by 12 expert consultations carried out between August and October 2020. In most of the studies attendance in BCC for IYCF was conditional for receiving social assistance, although experts agreed that this conditionality may be counterproductive. A variety of BCC strategies were used with two being most common—group sessions with pre‐determined topics and individual counselling. Context‐specific adaptation, interactive delivery and building on existing IYCF knowledge emerged as crucial but was perceived as economically infeasible in social assistance programmes. Given the variety of BCC strategies and inconsistency in outcomes, it is impossible to draw conclusions regarding effectiveness. Nevertheless, tentative evidence suggests that the promotion of existing nutrition services, educational group sessions and individual counselling may be effective in improving IYCF. BCC for IYCF can make social assistance more beneficial, but may increase costs, demands on beneficiaries, and deviate from the original focus of the programmes.     

What influences child feeding in the Northern Triangle? A mixed‐methods systematic review

Optimising child feeding behaviours could improve child health in Guatemala, Honduras and El Salvador, where undernutrition rates remain high. However, the design of interventions to improve child feeding behaviours is limited by piecemeal, theoretically underdeveloped evidence on factors that may influence these behaviours. Between July 2018 and January 2020, we systematically searched Cochrane, Medline, EMBASE, Global Health and LILACS databases, grey literature websites and reference lists, for evidence of region‐specific causes of child feeding behaviours and the effectiveness of related interventions and policies. The Behaviour Change Wheel was used as a framework to synthesise and map the resulting literature. We identified 2,905 records and included 68 relevant studies of mixed quality, published between 1964 and 2019. Most (n = 50) were quantitative, 15 were qualitative and three used mixed methods. A total of 39 studies described causes of child feeding behaviour; 29 evaluated interventions or policies. Frequently cited barriers to breastfeeding included mothers' beliefs and perceptions of colostrum and breast milk sufficiency; fears around child illness; and familial and societal pressures, particularly from paternal grandmothers. Child diets were influenced by similar beliefs and mothers' lack of money, time and control over household finances and decisions. Interventions (n = 22) primarily provided foods or supplements with education, resulting in mixed effects on breastfeeding and child diets. Policy evaluations (n = 7) showed positive and null effects on child feeding practices. We conclude that interventions should address context‐specific barriers to optimal feeding behaviours, use behaviour change theory to apply appropriate techniques and evaluate impact using robust research methods.     

Solid advice: Complementary feeding experiences among disadvantaged parents in two countries

The initiation of complementary feeding (CF; introducing infants to food/drink other than milk) is recommended close to 6 months and not before 4 months of age. Low socio‐economic status (SES) is a determinant of nonadherence to CF recommendations, but there is an evidence gap around reasons for nonadherence among these parents. This study investigated knowledge, attitudes, and practices of disadvantaged families (in terms of SES and social support) and use of guidance for CF, in the Republic of Ireland and Northern Ireland. Parents of infants aged 3–14 months were recruited via community groups. Semistructured focus groups aided by vignettes were used. Data were analysed using an inductive thematic approach. Nineteen focus groups took place with parents (n = 83). A range of factors influence parents when introducing solids. Sources of guidance extend to family, friends, the internet, and commercial resources. Parents experience uncertainty and anxiety during this time, driven by lack of knowledge and conflicting advice. Five major themes were identified: (a) more guidance that is accessible, timely, and respectfully needed; (b) the challenge of choosing safe, nutritious food; (c) “everybody has an opinion”; (d) feelings of inadequacy, embarrassment, and guilt; and (e) decisions are ultimately based on individual circumstances. CF advice should be culturally appropriate, practical, and empowering, emphasising the rationale behind updates to recommendations and consequences of nonadherence. Future training of health professionals for delivery of CF advice and guidance should consider these findings. Compliance with CF recommendations is influenced by health professionals, the wider family, and the commercial baby‐food sector.     

A behaviour change intervention with lipid‐based nutrient supplements had little impact on young child feeding indicators in rural Kenya

Poor infant and young child feeding (IYCF) practices are associated with linear growth faltering. Our objective was to evaluate the impact of a nutrition and water and sanitation for health intervention on three IYCF indicators—minimum dietary diversity (MDD), minimum meal frequency (MMF), and minimum acceptable diet (MAD) in Kenyan children. Households were randomized into one of eight groups: (a) active control; (b) passive control; (c) water quality (W); (d) sanitation (S); (e) handwashing (H); (f) combined Water, Sanitation, and Handwashing; (g) nutrition (N); and (h) combined WSH + N. In the N and WSH + N arms, community‐based promoters counselled households on optimal IYCF practices, and small‐quantity lipid‐based nutrient supplements (SQ‐LNS) were provided to children 6–24 months of age. Twelve months (Year 1) and 24 months (Year 2) after interventions began, enumerators surveyed mothers to ascertain IYCF practices. We made pairwise comparisons of each intervention arm versus the active control arm using log binomial models. In total, 3,652 caretakers were surveyed at Year 1 and 4,987 caretakers at Year 2. Compared with the active control, there were no differences in any of the arms in MDD, MMF, or MAD, aside from an increase in MDD at Year 1 in the nutrition only arm but not in the combined WSH + N arm (N: 68%; WSH + N: 61%; C: 61%; N arm prevalence ratio: 1.13 95% CI [1.01, 1.25]). In this setting, a nutrition behaviour change communication intervention had little impact on IYCF indicators. The provision of SQ‐LNS was not detrimental to current IYCF indicators in the community.     

Premastication and length for age among children under 24 months in Laos

Premastication of infant food by caregivers is common in Laos. Premastication is hypothesized to have both positive and negative implications for children, but the net effect of premastication on child health and nutrition is largely unknown because of a lack of research. This study quantitatively describes premastication in 5 provinces of Laos and examines the associations between premastication and the length of young children. We analyzed cross‐sectional data from the Laos 2015 Food and Nutrition Security Survey to characterize premastication among children under 2 years of age (n = 1,661) and to test associations between premastication and child length‐for‐age z‐score. We explored associations using multilevel mixed effects linear regression. Among children 0–23 months, 27.2% of mothers reported giving premasticated food in the past week. Receipt of premasticated food was inversely associated with length‐for‐age z‐score after controlling for potential confounders (child's age, ethno‐linguistic group, wealth, and parity) among children 6–13 months (β ?0.36, CI [?0.68, ?0.04]) and among children 14–23 months (β ?0.43, CI [?0.81, ?0.05]). For breastfed children 0–5 months who received complementary food, the coefficient was similar, but the association was not statistically significant (β ?0.42, CI [?1.2, 0.37]). Premastication is a common feeding practice for children 0–23 months of age, and many infants consume premasticated food on a daily basis. There was a negative relationship between premastication and child length. However, given the cross‐sectional nature of this study and potential unmeasured confounding factors, reverse causality or confounding cannot be ruled out. Longitudinal studies are needed to develop recommendations on premastication.