Table 3.

Crude and adjusted odds ratios of the association between psychosocial job strain (quadrants and dimensions separate) and physical activity among men and women, ELSA-Brasil, baseline (2008–10)

Models	Men (n = 5625)		Women (n = 6154)
	None	<150 min/week	None	<150 min/week
	OR (CI95%)	OR (CI95%)	OR (CI95%)	OR (CI95%)
Model 1: crude
Low D/High C (low strain)	1.00	1.00	1.00	1.00
High D/High C (active work)	0.94 (0.78-1.12)	1.18 (0.97-1.43)	0.98 (0.82-1.17)	0.94 (0.77-1.15)
Low D/Low C (passive work)	1.73 (1.50-2.01)***	1.27 (1.07-1.50)**	2.02 (1.73-2.36)***	1.13 (0.94-1.36)
High D/Low C (high strain)	1.82 (1.50-2.21)***	1.60 (1.28-1.99)***	1.99 (1.67-2.38)***	1.16 (0.93-1.44)
Model 2: age, marital status
Low D/High C (low strain)	1.00	1.00	1.00	1.00
High D/High C (active work)	0.94 (0.78-1.12)	1.18 (0.97-1.44)	0.98 (0.83-1.17)	0.94 (0.77-1.16)
Low D/Low C (passive work)	1.74 (1.51-2.02)***	1.28 (1.07-1.51)**	2.04 (1.75-2.39)***	1.14 (0.94-1.37)
High D/Low C (high strain)	1.83 (1.51-2.23)***	1.61 (1.29-2.01)***	2.00 (1.67-2.38)***	1.18 (0.95-1.46)
Model 3: age, marital status, educational level
Low D/High C (low strain)	1.00	1.00	1.00	1.00
High D/High C (active work)	1.00 (0.84-1.21)	1.21 (0.99-1.47)	1.05 (0.88-1.26)	0.95 (0.78-1.17)
Low D/Low C (passive work)	1.20 (1.02-1.41)*	1.13 (0.94-1.37)	1.42 (1.20-1.67)***	1.06 (0.87-1.29)
High D/Low C (high strain)	1.36 (1.11-1.67)**	1.48 (1.18-1.86)***	1.47 (1.22-1.77)***	1.11 (0.89-1.39)
Model 4: age, marital status, educational level and weekly hours worked
Low D/High C (low strain)	1.00	1.00	1.00	1.00
High D/High C (active work)	0.96 (0.80-1.16)	1.15 (0.94-1.40)	1.05 (0.87-1.25)	0.93 (0.76-1.15)
Low D/Low C (passive work)	1.22 (1.03-1.43)*	1.15 (0.95-1.38)	1.42 (1.20-1.67)***	1.06 (0.87-1.30)
High D/Low C (high strain)	1.34 (1.09-1.64)**	1.44 (1.15-1.82)**	1.47 (1.22-1.77)***	1.10 (0.88-1.38)
Model dimensions
Psychological demands
Model 1: crude	0.98 (0.96-1.00)	1.03 (1.00-1.05)*	0.97(0.95-0.99)*	1.00(0.98-1.03)
Model 2: Model 1 + age and marital status	0.98 (0.96-1.00)	1.03 (1.00-1.05)*	0.97(0.95-0.99)*	1.00(0.98-1.03)
Model 3: Model 2 + educational level	1.01 (0.99-1.03)	1.04 (1.01-1.06)**	1.00(0.98-1.03)	1.01(0.98-1.04)
Model 4: Model 3 + weekly hours	1.00 (0.98-1.02)	1.03 (1.00-1.06)*	1.00(0.98-1.03)	1.01(0.98-1.03)
Model 5: Model 4 + control and social support at work	1.00 (0.98-1.02)	1.03 (1.00-1.05)*	1.00(0.98-1.03)	1.01(0.98-1.04)
Control at work
Model 1: crude	0.90 (0.88-0.91)***	0.96 (0.94-0.98)***	0.87(0.85-0.89)***	0.96(0.93-0.98)**
Model 2: Model 1 + age, marital status	0.90 (0.88-0.91)***	0.96 (0.94-0.98)***	0.87(0.85-0.89)***	0.96(0.93-0.98)**
Model 3: Model 2 + educational level	0.96 (0.94-0.98)***	0.98 (0.95-1.01)	0.93(0.91-0.95)***	0.97(0.94-1.00)*
Model 4: Model 3 + weekly hours	0.96 (0.93-0.98)***	0.98 (0.95-1.00)	0.93(0.91-0.95)***	0.97(0.94-0.99)*
Model 5: Model 4 + psychological demands and social support at work	0.96 (0.93-0.98)***	0.98 (0.95-1.01)	0.93(0.91-0.96)***	0.97(0.94-1.00)*
Social support at work
Model 1: crude	1.01 (0.99-1.03)	0.99 (0.97-1.01)	1.00(0.98-1.01)	0.99(0.97-1.02)
Model 2: Model 1 + age, marital status	1.01 (0.99-1.03)	0.99 (0.97-1.01)	1.00(0.98-1.01)	0.99(0.97-1.01)
Model 3: Model 2 + educational level	0.98 (0.96-1.00)	0.98 (0.96-1.00)	0.98(0.96-0.99)*	0.99(0.96-1.01)
Model 4: Model 3 + weekly hours	0.98 (0.96-1.00)	0.98 (0.96-1.00)	0.98(0.96-0.99)*	0.99(0.97-1.01)
Model 5: Model 4 + psychological demands and control at work	0.99 (0.97-1.01)	0.99 (0.97-1.01)	0.99 (0.97-1.01)	0.99 (0,97-1.02)

reference category: physical activity ≥ 150 min/week.

*p < 0.05; **p < 0.010; ***p < 0.001.

OR, Odds ratio; CI95%, 95% confidence interval.