Table 2.

Within-individual improvements in working conditions, health behaviours and BMI in a given year and changes in work ability and self-rated health in the same year among 14 045 workers aged 45–63 years

	Change in self-reported work ability (0–10)		Change in self-rated health (1–5)
	N*	b (95% CI)	N*	b (95% CI)
Working conditions
Decrease of psychological job demands (1–5)	15 360	0.04 (−0.00 to 0.08)	15 376	0.02 (0.00 to 0.03)
Decrease of emotional job demands (1–5)	14 380	0.07 (0.03 to 0.10)	14 390	0.03 (0.01 to 0.04)
Increase of autonomy (1–5)	15 537	0.07 (0.02 to 0.11)	15 539	0.03 (0.01 to 0.05)
Increase of social support (1–5)	15 597	0.06 (0.02 to 0.09)	15 607	0.01 (−0.00 to 0.02)
Decrease of physical workload (1–5)	12 148	0.11 (0.06 to 0.16)	12 145	0.04 (0.02 to 0.06)
Health behaviours and BMI
Increase in moderate physical activity (0–7)	13 287	−0.01 (−0.03 to −0.00)	13 302	0.00 (−0.00 to 0.01)
Increase in vigorous physical activity (0–7)	13 341	−0.01 (−0.02 to −0.00)	13 354	0.01 (0.00 to 0.01)
Stop smoking (1=yes, 0=no)	1002	−0.40 (−0.53 to −0.26)	1000	−0.13 (−0.17 to −0.08)
Decrease in BMI (kg/m2)	14 370	−0.00 (−0.02 to 0.01)	14 387	0.03 (0.02 to 0.03)

Bold: estimate is statistically significant at the 0.05 level.

*N=number of observations. Individuals may be included in the analyses several times since they could experience multiple improvements in working conditions and healthy behaviour during follow-up.

BMI, body mass index.