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Table 4 Differences in eating and physical activity behaviors (% or mean/SD) among urban, low-income African American students, by gender and reported body weight control practices

From: Measured body mass index, body weight perception, dissatisfaction and control practices in urban, low-income African American adolescents

  Boys Girls
  Try to lose weight Try to lose weight
  Yes No Difference, P value Yes Not Difference, P value
Dietary intake       
Energy intake (kcal) 3219 3431 0.436 3119 3431 0.187
Energy intake/height (kcal/m) 20.8 23.0 0.237 20.1 22.4 0.130
Total fat (g/1000 kcal) 33.9 33.6 0.644 35.3 35.2 0.895
% of energy from fat 30.5 30.2 0.644 31.8 31.7 0.895
% of energy from animal fat 14.8 14.2 0.253 14.9 15.3 0.354
% of energy from carbohydrate 54.6 55.8 0.223 53.9 53.8 0.880
Vit C (mg/1000 kcal) 64.0 63.1 0.846 62.9 58.7 0.270
Vegetable & Fruit (servings/day) 3.2 3.5 0.664 3.3 3.0 0.540
Physical activity       
Total MET score* 899 867 0.523 875 885 0.827
More active (MET score > median)* 40.7 59.3 0.951 47.4 52.6 0.757
Total sedentary behavior (hours) 7.8 7.4 0.632 9.3 8.9 0.636
Did at least 20 min hard exercise in ≥ 5 days over the past 7 days 34.6 47.0 0.088 32.8 30.7 0.720
Did at least 30 min light exercise for ≥ 5 days over past 7 days 26.0 21.7 0.497 20.0 27.0 0.193
Screen time (watching TV or playing video games/computer) ≥ 5 hours/day 35.1 20.9 0.029† 39.7 34.8 0.432
TV time (hours, median) 4.0 2.8 0.032† 2.8 2.8 0.744
  1. *MET: Metabolic equivalent; the PA-MET summary score was calculated based on the 40-item physical activity questionnaire;
  2. † T-test, p < 0.05.
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