Exposure | 12-month prevalence of complaints in different regions of the musculoskeletal system at follow-up | |||||||
---|---|---|---|---|---|---|---|---|
Occupational sitting 2012 | Neck n = 1137 | Shoulder n = 1102 | Upper back n = 635 | Lower back n = 1177 | ||||
PR | 95% CI | PR | 95% CI | PR | 95% CI | PR | 95% CI | |
Model 1 | ||||||||
Under 5Â h/week | 1 | (Ref) | 1 | (Ref) | 1 | (Ref) | 1 | (Ref) |
5 to < 15 h/week | 0.99 | 0.88–1.11 | 0.98 | 0.88–1.10 | 0.99 | 0.82–1.18 | 0.95 | 0.85–1.05 |
15 to < 25 h/week | 1.08 | 0.96–1.20 | 0.95 | 0.84–1.07 | 1.02 | 0.85–1.22 | 0.98 | 0.88–1.10 |
25 to < 35 h/week | 1.11 | 0.99–1.24 | 0.92 | 0.81–1.04 | 0.90 | 0.74–1.11 | 0.91 | 0.81–1.02 |
35 or more hours/week | 0.95 | 0.84–1.08 | 0.87 | 0.76–0.99 | 0.73 | 0.59–0.91 | 0.83 | 0.74–0.94 |
Model 2 | ||||||||
Under 5Â h/week | 1 | (Ref) | 1 | (Ref) | 1 | (Ref) | 1 | (Ref) |
5 to < 15 h/week | 0.98 | 0.87–1.10 | 0.98 | 0.87–1.10 | 1.02 | 0.84–1.22 | 0.98 | 0.88–1.09 |
15 to < 25 h/week | 1.07 | 0.95–1.20 | 0.95 | 0.84–1.07 | 1.07 | 0.88–1.29 | 1.04 | 0.93–1.17 |
25 to < 35 h/week | 1.10 | 0.97–1.24 | 0.92 | 0.81–1.06 | 0.96 | 0.77–1.19 | 0.97 | 0.86–1.11 |
35 or more hours/week | 0.95 | 0.83–1.09 | 0.88 | 0.76–1.01 | 0.78 | 0.62–0.99 | 0.90 | 0.79–1.03 |
Model 3 | ||||||||
Under 5Â h/week | 1 | (Ref) | 1 | (Ref) | 1 | (Ref) | 1 | (Ref) |
5 to < 15 h/week | 1.01 | 0.90–1.13 | 1.03 | 0.92–1.15 | 1.10 | 0.92–1.32 | 1.02 | 0.92–1.14 |
15 to < 25 h/week | 1.11 | 0.98–1.25 | 1.03 | 0.91–1.17 | 1.21 | 0.99–1.48 | 1.13 | 1.01–1.27 |
25 to < 35 h/week | 1.14 | 1.00-1.31 | 1.02 | 0.88–1.17 | 1.11 | 0.88–1.39 | 1.09 | 0.95–1.24 |
35 or more hours/week | 0.99 | 0.86–1.15 | 0.97 | 0.84–1.13 | 0.92 | 0.72–1.18 | 1.01 | 0.88–1.16 |