深圳市某建筑工地农民工膳食营养调查

[目的]了解农民工的膳食营养状况。[方法]采用记账法、问卷调查法对深圳市部分建筑工地农民工进行膳食营养调查，并用4h尿负荷试验检查维生素营养状况。[结果]农民工的膳食不够合理，表现为：膳食结构简单；总热量摄入充足；但是维生素A、B1、B2、B5、C和钙、铁、钾、锌分别只能达到推荐摄入量（RNI）或适宜摄入量（AI）的55．6％、50．0％、35．0％、72．1％、42．0％和43．5％、87.3％、58．0％、48．0％；钠的摄入严重超标，每日摄入量高达是8322mg，为AI的378.3％；4h尿负荷检查水溶性维生素B1、B2、C的缺乏率分别为69．1％、100．0％、90．9％。[结论]建筑行业农民工的膳食营养状况亟待改善，营养教育工作需要加强。

Nutritional Status of Farmer Workers in a Construction Site in Shenzhen

[Objective] To investigate the nutritional status of farmer workers.[Methods] A dietary survey method joined with questionnaire was used to do the nutritional survey of farmer workers in a construction site in Shenzhen,and a load test of 4 h urine was used to measure possible vitamin deficiency.[Results] Irrational dietary of farmer construction workers in Shenzhen was observed,their dietary structure was very simple,though total energy intake was sufficient,the intakes of VitA,VitB1,VitB2,VitB5,VitC,calciu...