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Demographics and anthropometrics impact benefits of health intervention: data from the Reduce Obesity and Diabetes Project.


ABSTRACT:

Objective

To determine the efficacy of a 4-month school-based health, nutrition and exercise intervention on body fatness and examine possible effects of demographic and anthropometric covariates.

Methods

Height, weight, waist circumference and body composition were measured in a diverse population of 644 NYC middle school students (mean ± SD age 12.7 ± 0.9 years; 46% male; 38% Hispanic, 17% East Asian, 15% South Asian, 13.5% African American, 8.5% Caucasian, 8% other) during the fall and spring semesters. Year 1 participants (n = 322) were controls. Experimental participants (year 2, n = 469) received a 12-session classroom-based health and nutrition educational programme with an optional exercise intervention.

Results

Groups were demographically and anthropometrically similar. The intervention resulted in significant reductions in indices of adiposity (?BMI z-scores [-0.035 ± 0.014; p = 0.01], ?% body fat [-0.5 ± 0.2; p < 0.0001] and ?waist circumference [-0.73 ± 0.30 cm; p < 0.0001]). Intervention effects were greater (p = 0.01) in men (?BMI z-score = -0.052 ± 0.015) versus women (0.022 ± 0.018), participants who were obese (?BMI z-score -0.083 ± 0.022 kg m-2) versus lean (-0.0097 ± 0.020 kg m-2) and South Asians (?% body fat -1.03 ± 0.35) versus total (-0.49 ± 0.20%) participants (p = 0.005).

Conclusion

A 4-month school-based health intervention was effective in decreasing measures of adiposity in middle school students, particularly in men, participants who were obese and South Asians.

SUBMITTER: Ostrowski L 

PROVIDER: S-EPMC6381301 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Publications

Demographics and anthropometrics impact benefits of health intervention: data from the Reduce Obesity and Diabetes Project.

Ostrowski L L   Speiser P W PW   Accacha S S   Altshuler L L   Fennoy I I   Lowell B B   Rapaport R R   Rosenfeld W W   Shelov S P SP   Ten S S   Rosenbaum M M  

Obesity science & practice 20190116 1


<h4>Objective</h4>To determine the efficacy of a 4-month school-based health, nutrition and exercise intervention on body fatness and examine possible effects of demographic and anthropometric covariates.<h4>Methods</h4>Height, weight, waist circumference and body composition were measured in a diverse population of 644 NYC middle school students (mean ± SD age 12.7 ± 0.9 years; 46% male; 38% Hispanic, 17% East Asian, 15% South Asian, 13.5% African American, 8.5% Caucasian, 8% other) during the  ...[more]

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