Table 2.

Cross-sectional associations between key diet factors, BMI and percent body fat among adolescents.

		Model 1a			Model 2 b
Males		Coefficient	SE	p-value	Coefficient	SE	p-value
BMI	Sugar sweetened beverages (servings/day)	−0.22	0.28	0.437	−0.18	0.28	0.517
	Diet soda (servings/day)	1.63	0.76	0.032	1.63	0.76	0.032
	Fast food (purchases/ week)	0.16	0.39	0.683	0.17	0.40	0.668
	Breakfast (days/week)	−5.12	1.54	0.001	−5.08	1.53	0.001
PBF	Sugar sweetened beverages (servings/day)	−0.29	0.49	0.554	−0.04	0.47	0.927
	Diet soda (servings/day)	2.67	1.47	0.070	2.66	1.44	0.066
	Fast food (purchases/ week)	0.25	0.78	0.744	0.40	0.76	0.598
	Breakfast (days/week)	−9.52	2.91	0.001	−8.82	2.81	0.002
Females		Coefficient	SE	p-value	Coefficient	SE	p-value
BMI	Sugar sweetened beverages (servings/day)	0.33	0.54	0.542	0.40	0.54	0.456
	Diet soda (servings/day)	2.47	0.70	0.001	2.45	0.69	0.001
	Fast food (purchases/ week)	0.36	0.28	0.201	0.41	0.27	0.135
	Breakfast (days/week)	−4.44	1.62	0.007	−4.33	1.62	0.008
PBF	Sugar sweetened beverages (servings/day)	−0.23	0.69	0.739	0.002	0.69	0.998
	Diet soda (servings/day)	3.66	0.94	<0.001	3.64	0.91	<0.001
	Fast food (purchases/ week)	0.41	0.47	0.383	0.56	0.46	0.231
	Breakfast (days/week)	−7.65	2.25	0.001	−7.30	2.22	0.001

^aModel 1 was adjusted for physical activity, puberty, race, parental education, eligibility for free/reduced price lunch, age and study.

^bModel 2 adjusted for all of the covariates included in Model 1, as well as total energy intake (kcal/day).