The role of eating frequency on relative weight in urban school‐age children

Pediatric obesity - Tập 10 Số 6 - Trang 442-447 - 2015
E. Whitney Evans1, Paul F. Jacques2,3, Gerard E. Dallal2,3, Jennifer M. Sacheck2, Aviva Must2,4
1Weight Control and Diabetes Research Center, Brown University Medical School, Providence, RI, USA
2Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA
3Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA USA
4School of Medicine, Tufts University, Boston, MA, USA

Tóm tắt

SummaryBackground

The role of eating frequency on relative weight in childhood is not well understood.

Objective

To clarify this relationship by assessing the cross‐sectional and prospective relationships of weekday eating frequency with BMI z‐score (BMIz) and change in BMIz in a sample of schoolchildren.

Methods

Eating frequency, the average number of reported daily eating occasions, was assessed using two weekday 24‐h diet recalls. BMIz was measured at baseline, 6 months and 1 year in 155 urban schoolchildren, ages 9–15 years. Multiple linear regression models were used.

Results

Cross‐sectional analyses at baseline suggest that BMIz was 0.23 units lower for each additional reported eating occasion (regression coefficient = −0.23; 95% confidence interval [CI]: −0.44, −0.07). From baseline to 6 months, BMIz increased by 0.03 units for each additional reported eating occasion (regression coefficient = 0.03; 95% CI: 0.01, 0.05). This relationship was no longer statistically significant at 1 year (regression coefficient = 0.01; 95% CI: −0.01, 0.03).

Conclusions

The findings suggest that the relationship of eating frequency with BMIz differs from that of change in BMIz. This difference may be due to methodological deficiencies of cross‐sectional studies, challenges of dietary assessment or differences in eating patterns among normal and overweight youth. Controlled trials are needed to further clarify this relationship.

Từ khóa


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Thông tin
Thông tin xuất bản

Pediatric obesity

Tập 10 Số 6

442-447

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