Table 3.

Odds ratios (OR) and 95% confidence intervals (CI) for polypharmacy in relation to job demands and control.

Job demands/control	Model 1 a			Model 2 b
	OR	95% CI	P-value	OR	95% CI	P-value
Job control (continuous)	0.79	0.65–0.98	0.033	0.82	0.64–1.04	0.100
Job demands (continuous)	1.00	0.83–1.21	0.991	1.06	0.87–1.28	0.576
Job control
1st quartile (lowest)	1			1
2nd quartile	0.73	0.57–0.94	0.016	0.73	0.56–0.94	0.053
3rd quartile	0.68	0.52–0.90	0.006	0.69	0.52–0.93	0.013
4th quartile (highest)	0.77	0.58–1.01	0.060	0.81	0.60–1.09	0.170
Job demands
1st quartile (lowest)	1			1
2nd quartile	1.09	0.82–1.45	0.538	1.15	0.86–1.53	0.354
3rd quartile	1.00	0.78–1.28	0.984	1.05	0.82–1.35	0.702
4th quartile (highest)	0.94	0.71–1.23	0.646	0.99	0.74–1.31	0.920
Job control
Low (1st quartile)	1			1
High (2nd – 4th quartile)	0.73	0.59–0.89	0.002	0.74	0.59–0.92	0.007
Job demands
Low (1st - 2nd quartile)	1			1
High (3rd – 4th quartile)	0.95	0.78–1.15	0.587	0.98	0.80–1.19	0.835

^aAdjusted for age, sex, and follow-up time.

^bAdjusted for age, sex, education, follow-up time, occupational class and number of chronic diseases.