Associations among Physical Activity, Diet, and Obesity Measures Change during Adolescence

Table 1

Canonical correlation analysis evaluating physical activity and confounders with diet quality indicators. Percent variance explained by first indices and first indices’ standardized canonical coefficients by visit year.

y		% var.	Physical activity, confounders						Diet quality
			Inc	Race	RxHAQ	Rx3d AD	HAQ	3d AD	ED	Av kcal	Sat fat %	Fiber
3	1701	66.26	0.32	−0.64	0.14	−0.66	−0.03	0.45	−0.88	−0.55	0.35	0.23
5	1576	66.19	0.41	−0.67	0.35	−0.54	−0.09	0.27	−0.67	−0.79	0.10	0.76
7	1457	69.97	0.27	−0.59	−0.10	−0.46	0.37	0.30	−0.57	−0.89	−0.15	0.91
8	1423	70.60	0.36	−0.41	−0.56	−0.31	0.89	0.29	−0.54	−0.65	−0.08	0.86
10	1699	74.26	0.36	−0.48	−0.33	−0.17	0.72	0.25	−0.60	−0.49	−0.17	0.65

Significance at ; significance at ; significance at ; for dependent variates significance is evaluated with a univariate test for association with first indices canonical correlation.
3-day activity diary score, 3d AD; average caloric intake, Av kcal; average dietary saturated fat percent, Sat fat %; average energy density, ED; average fiber intake, fiber; habitual physical activity questionnaire score, HAQ; income category, Inc; percent variance, % var.; race by 3-day AD, Rx3d AD; race by HAQ, RxHAQ; year, y.