Public health nutrition · 2024
The impact of a water promotion and access intervention on elementary school students in the presence of food insecurity.
СтатьяРандомизированное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Gerstenfeld Leslie, Blacker Lauren, McCulloch Charles E, Ritchie Lorrene D, Ordonez Valeria M, Schmidt Laura, Patel Anisha I
Аннотация
OBJECTIVE: School-based interventions encouraging children to replace sugar-sweetened beverages with water show promise for reducing child overweight. However, students with child food insecurity (CFI) may not respond to nutrition interventions like children who are food-secure.
DESIGN: The Water First cluster-randomised trial found that school water access and promotion prevented child overweight and increased water intake. This secondary analysis used mixed-effects regression to evaluate the interaction between the Water First intervention and food insecurity, measured using the Child Food Security Assessment, on child weight status (anthropometric measurements) and dietary intake (student 24-h recalls, beverage intake surveys).
SETTING: Eighteen elementary schools (serving ≥ 50 % children from low-income households), in which drinking water had not been previously promoted, in the San Francisco Bay Area.
PARTICIPANTS: Students in fourth-grade classes (n 1056).
RESULTS: Food insecurity interacted with the intervention. Among students with no CFI, the intervention group had a lower prevalence of obesity from baseline to 7 months (-0·04, CI -0·08, 0·01) compared with no CFI controls (0·01, CI -0·01, 0·04) (P = 0·04). Among students with high CFI, the intervention group had a pronounced increase in the volume of water consumed between baseline and 7 months (86·2 %, CI 21·7, 185·0 %) compared with high CFI controls (-13·6 %, CI -45·3, 36·6 %) (P = 0·02).
CONCLUSIONS: Addressing food insecurity in the design of water promotion interventions may enhance the benefit to children, reducing the prevalence of obesity.
DESIGN: The Water First cluster-randomised trial found that school water access and promotion prevented child overweight and increased water intake. This secondary analysis used mixed-effects regression to evaluate the interaction between the Water First intervention and food insecurity, measured using the Child Food Security Assessment, on child weight status (anthropometric measurements) and dietary intake (student 24-h recalls, beverage intake surveys).
SETTING: Eighteen elementary schools (serving ≥ 50 % children from low-income households), in which drinking water had not been previously promoted, in the San Francisco Bay Area.
PARTICIPANTS: Students in fourth-grade classes (n 1056).
RESULTS: Food insecurity interacted with the intervention. Among students with no CFI, the intervention group had a lower prevalence of obesity from baseline to 7 months (-0·04, CI -0·08, 0·01) compared with no CFI controls (0·01, CI -0·01, 0·04) (P = 0·04). Among students with high CFI, the intervention group had a pronounced increase in the volume of water consumed between baseline and 7 months (86·2 %, CI 21·7, 185·0 %) compared with high CFI controls (-13·6 %, CI -45·3, 36·6 %) (P = 0·02).
CONCLUSIONS: Addressing food insecurity in the design of water promotion interventions may enhance the benefit to children, reducing the prevalence of obesity.