Table 3

HRs for disability pension due to all causes and musculoskeletal disorders in persons aged 20–65 years (first 2 years of follow-up excluded), according to the combined categories of occupational and LTPA

OPA	LTPA	Persons (n)	Cases (n)	Incidence rate (per 1000 py)	HR*	HR†	95% CI†
All causes
Mostly sedentary	Active	6694	509	9	1.00	1.00
Mostly sedentary	Inactive	2996	373	16	1.45	1.25	1.09 to 1.42
Much walking	Active	6527	675	13	1.29	1.27	1.13 to 1.43
Much walking	Inactive	3389	564	21	1.82	1.56	1.38 to 1.76
High	Active	8257	927	13	1.76	1.49	1.33 to 1.66
High	Inactive	4499	789	22	2.28	1.77	1.58 to 1.98
Musculoskeletal
Mostly sedentary	Active	6694	145	3	1.00	1.00
Mostly sedentary	Inactive	2996	128	6	1.67	1.42	1.12 to 1.80
Much walking	Active	6527	230	5	1.49	1.47	1.19 to 1.81
Much walking	Inactive	3389	231	10	2.40	1.99	1.61 to 2.46
High	Active	8257	385	6	2.65	2.16	1.77 to 2.62
High	Inactive	4499	355	11	3.46	2.56	2.10 to 3.11

High OPA indicates pooled categories of ‘much walking and lifting’ and ‘heavy work’.
*Adjusted for age (continuous) and sex.
†Adjusted for age (continuous), sex and education (<10, 10–12 and ≥13 years), marital status (unmarried, married, widow/widower and divorced/separated), smoking (never, previous and current), physical symptoms (0–5), number of somatic conditions (0, 1, 2 and ≥3), Hospital Anxiety and Depression Scale (continuous) and body mass index (<25.0, 25.0–29.9 and ≥30.0 kg/m²).
LTPA, leisure-time physical activity; OPA, occupational physical activity; py, person-years.