Table 2.

Perceived work ability (PWA) (0–10; 0–7 = poor, 8–10 = good) among men and women according to course of workload during 15-year follow-up

Physical strenuousness from 31 years to 46 years
	Men				Women
	Always strenuous	Has become more strenuous	Has become lighter	Always light	Always strenuous	Has become more strenuous	Has become lighter	Always light
PWA at 46 years
Mean	8.3	8.5	8.6	8.8	8.4	8.6	8.7	8.8
(95% CI)	(8.2–8.4)	(8.4–8.7)	(8.4–8.8)	(8.7–8.9)	(8.2–8.5)	(8.4–8.8)	(8.5–8.9)	(8.7–8.9)
0–7, n (%)	103 (20)	33 (15)	23 (15)	55 (11)	105 (19)	28 (14)	25 (13)	46 (9)
8–10, n (%)	424 (80)	189 (85)	132 (85)	462 (89)	440 (81)	172 (86)	168 (87)	455 (91)