Table 2.

Adjusted odds ratios of women retaining at least 5 kg at 1 year postpartum.

	Odds of retaining at least 5 kg at 1 year postpartum
	Per daily hour of television viewing		Per daily hour of walking		Per 0.5% of energy from
	OR	95% CI	OR	95% CI	OR	95% CI
Model 1	1.24	1.09, 1.42	0.89	0.65, 1.22	1.35	1.14, 160
Model 2	1.16	1.01, 1.33	0.74	0.54, 1.03	1.23	1.02, 1.48
Model 3	1.19	1.03, 1.39	0.73	0.51, 1.03	1.34	1.10, 1.64
Model 4	1.24	1.06, 1.46	0.66	0.46, 0.94	1.33	1.09, 1.62
Model 5	1.26	1.07, 1.48	0.59	0.40, 0.88	1.32	1.08, 1.62

Model 1 = adjusted for age.

Model 2 = Model 1 + education (< college, college graduate, graduate degree), race/ethnicity (black, Hispanic, white, other), household income (≤ $40,000, $40,001–$70,000, > $70,000, missing), marital status (single, married/cohabitating), and postpartum employment (not working, working at a paying job)

Model 3 = Model 2 + parity (0, 1+), pre-pregnancy body mass index (continuous), weight gain during pregnancy (inadequate, adequate, excessive), breastfeeding status at 6 months (formula only, weaned, mixed feeding, exclusive breastfeeding), postpartum smoking (yes, no)

Model 4 = Model 3 + includes all 3 main exposures (television viewing, walking, and trans fat intake).

Model 5 = Model 4 + depression, light/moderate and vigorous physical activity

CI, confidence interval; OR, odds ratio