期刊
PUBLIC HEALTH NUTRITION
卷 24, 期 5, 页码 1042-1051出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1368980019005007
关键词
Children; Dietary survey; Nutritional adequacy; Snack
资金
- Health and Labour Sciences Research Grant [H26-jyunkankitou (seisaku)-shitei-001]
- Ministry of Health, Labour and Welfare, Japan
The study found that snacks contributed to 19.5% of total daily energy intake in Japanese nursery school children, with confectionaries being the largest contributor at 35.3%. While snacks were effective in meeting the requirements for calcium, iron, thiamine, and riboflavin, they were generally not nutrient-dense and could lead to excessive intake of certain nutrients.
Objective: This cross-sectional study evaluated the dietary characteristics of snacks, the contribution of snacks to daily nutrient intake and the association of energy intake (EI) from snacks with the prevalence of nutritional inadequacy in Japanese nursery school children. Design: Foods and nutrients consumed in each eating occasion were assessed by 3-d dietary records. The prevalence of inadequate intake of twenty nutrients assessed by the age- and sex-specific reference values in the Japanese Dietary Reference Intakes was compared according to tertile categories of EI from snacks. Setting: A multi-regional dietary survey based on nursery schools in Japan. Participants A total of 187 boys and 191 girls aged 3-6 years. Results: EI from snacks accounted for 19 center dot 5 % (sd 6 center dot 9) of total daily EI. Confectionaries accounted for the largest part of EI from snacks (35 center dot 3 %), followed by milk (19 center dot 5 %). Relative to their energy contribution, snacks accounted for a small proportion for all nutrients examined, except for free sugar, calcium, SFA and riboflavin. Although a higher EI from snacks was associated with favourable profiles for intakes of calcium, iron, thiamine and riboflavin, excessive intakes of free sugar and Na were more prevalent among children with a higher EI from snacks. Conclusions: Although snacks are effective in meeting the requirement of some nutrients among Japanese nursery school children, snacks are generally not nutrient-dense and have an impact on excessive intake of some nutrients. There is hence room for improvement in food choices at snack time.
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