Table 3.

Crude and adjusted analyses of the association between independent variables and leisure-time sedentary lifestyle among men. Pelotas, Southern Brazil, 1982 to 2004-5

Variable	Crude analysis			Adjusted analysis*
	PR	95% CI	p-value	PR	95% CI	p-value
Skin color			0.02**			0.01**
White	1	-		1	-
Black or Mixed	0.87	0.78;0.98		0.84	0.75;0.94
Family income in 1982 (MW)			0.02***			0.02***
≤1.0	1.18	0.94;1.50		1.26	1.00;1.59
1.1-3.0	1.25	1.00;1.45		1.29	1.04;1.61
3.1-6.0	1.15	0.91;1.45		1.16	0.92;1.47
6.1-10.0	0.96	0.72;1.30		0.97	0.72;1.30
>10.0	1	-		1	-
Income change (1982 → 2004-5)			<0.001**			<0.001**
Always poor	1.12	1.00;1.27		1.19	1.05;1.35
Non-poor → poor	1.31	1.18;1.46		1.32	1.19;1.47
Poor → non-poor	1.01	0.89;1.14		1.07	0.94;1.22
Never poor	1	-		1	-
Birth weight (grams)			0.81***			0.76***
<2500	0.96	0.75;1.21		0.95	0.75;1.21
2500-2999	1.08	0.90;1.29		1.08	0.90;1.29
3000-3499	0.96	0.80;1.14		0.95	0.80;1.13
3500-3999	1.06	0.89;1.27		1.06	0.89;1.27
≥4000	1	-		1	-

MW: Minimum wages

^*Variables at the first level (skin color and family income in 1982) were adjusted for and included in the analysis if p<0.2. Income change was adjusted for skin color. Birth weight was adjusted for skin color and family income in 1982

^**Wald test for heterogeneity

^***Wald test for linear trend