Abstract:
OBJECTIVE:To investigate the impact of an early intervention programme, Preparing for Life, on dietary intake between 12 and 36 months of age, and the mediating role played by diet on cognitive functioning. DESIGN:A randomised controlled trial evaluation of a community-based home visiting programme. The intervention involved biweekly visits from mentors from pregnancy until age 5 years and parent training at age 2 years. Dietary intake was assessed at 12, 18, 24 and 36 months using an FFQ to calculate the proportion meeting dietary recommendations. Cognitive functioning was measured at 24 and 36 months. Treatment effects were estimated using conventional χ 2 tests, permutation testing, inverse probability weighting and the stepdown procedure. Mediation analysis examined the indirect effect of the intervention on cognitive functioning via its effect on dietary intake. SETTING:Socio-economically disadvantaged communities in Dublin, Republic of Ireland. SUBJECTS:Pregnant women (n 233) were assigned to the intervention (n 115) or control (n 118) group using an unconditional probability randomisation strategy. RESULTS:Positive treatment effects were observed for meeting dietary recommendations for protein foods at 24 (OR=2·52) and 36 (OR=2·42) months, and all food groups at 24 (OR=3·92) months. There were no effects on grain, dairy, fruit and vegetable, or fatty/sugary food recommendations in most models. The conventional and more novel methods yielded similar results. Mediation analysis indicated that 13 % of the intervention's effect on cognitive functioning was mediated by 36-month protein food consumption. CONCLUSIONS:The study demonstrates some potential to alter early childhood dietary patterns through community-based intervention programmes.
journal_name
Public Health Nutrjournal_title
Public health nutritionauthors
O'Sullivan A,Fitzpatrick N,Doyle Odoi
10.1017/S1368980016001877subject
Has Abstractpub_date
2017-01-01 00:00:00pages
154-164issue
1eissn
1368-9800issn
1475-2727pii
S1368980016001877journal_volume
20pub_type
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更新日期:2019-10-01 00:00:00
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