The impact of work related physical activity and leisure physical activity on the risk and prognosis of neck pain – a population based cohort study on workers

Table 2 Association between work related physical activity and long duration troublesome neck pain in cohort I^a

	Both sexes OR (95 % CI)			Men OR (95 % CI)			Women OR (95 % CI)
Work related physical activity	Cases/non-cases	Crude	Adjusted^b	Cases/non-cases	Crude	Adjusted^c	Cases/non-cases	Crude	Adjusted^d
Sedentary (reference category)	73/2080	1	1	40/1292	1	1	33/788	1	1
Active but not heavy	47/1440	0.9 (0.6–1.3)	0.9 (0.6–1.4)	25/813	1.0 (0.6–1.6)	0.9 (0.5–1.6)	22/627	0.8 (0.5–1.5)	0.7 (0.4–1.3)
Active and moderately heavy or heavy	52/943	1.6 (1.1–2.3)	1.0 (0.6–1.6)	25/578	1.4 (0.8–2.3)	0.6 (0.3–1.4)	27/365	1.8 (1.0–3.0)	1.3 (0.7–2.5)

Presented with odds ratios (ORs) and 95 % confidence intervals (95 % CI)
^aCohort I: Risk cohort including individuals with no neck pain at baseline
^bAdjusted for age, alcohol consumption, individual disposable income, work above shoulder level
^cAdjusted for age, leisure physical activity, alcohol consumption, individual disposable income and work above shoulder level
^dAdjusted for age, alcohol consumption, smoking, concurrent low back pain, individual disposable income, psychological distress and work above shoulder level

ISSN: 1471-2474