Neck (N = 956) | Shoulders (N = 945) | Hands (N = 963) | Lower back (N = 956) | Feet (N = 966) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
N | p | PR (CI 95%) | p | PR (CI 95%) | p | PR (CI 95%) | p | PR (CI 95%) | p | PR (CI 95%) | |
Pain at baselinea | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | ||||||
no | 1 | 1 | 1 | 1 | 1 | ||||||
yes | 3.01 (2.55–3.56) | 2.42 (2.07–2.84) | 3.49 (2.83–4.32) | 2.75 (2.34–3.24) | 4.22 (3.25–5.47) | ||||||
Sum score of ergonomic factors (scale)b | 1046 | 0.04 | 0.11 | < 0.01 | 0.46 | 0.04 | |||||
1 | 211 | 1 | 1 | 1 | 1 | 1 | |||||
2 | 283 | 1.10 (0.87–1.39) | 0.94 (0.75–1.18) | 1.01–0.69-1.47) | 1.20 (0.94–1.53) | 1.04 (0.66–1.64) | |||||
3 | 321 | 1.15 (0.91–1.46) | 1.09 (0.88–1.35) | 1.54 (1.08–2.20) | 1.29 (1.01–1.64) | 1.18 (0.75–1.86) | |||||
4 | 231 | 1.33 (1.01–1.75) | 1.14 (0.88–1.46) | 1.44 (0.96–2.16) | 1.13 (0.85–1.51) | 1.64 (0.96–2.79) | |||||
Complaints about computer workstation arrangementsb | 1065 | 0.19 | 0.39 | 0.21 | 0.30 | 0.52 | |||||
Satisfied | 463 | 1 | 1 | 1 | 1 | 1 | |||||
Neutral | 341 | 1.16 (0.98–1.36) | 1.03 (0.88–1.2) | 1.05 (0.83–1.32) | 1.20 (1.02–1.42) | 1.16 (0.88–1.53) | |||||
Dissatisfied | 261 | 1.13 (0.95–1.35) | 1.07 (0.92–1.25) | 0.86 (0.66–1.13) | 1.08 (0.88–1.31) | 0.88 (0.61–1.27) | |||||
Sum score of psychosocial factors (scale) b | 1070 | 0.01 | 0.001 | 0.48 | 0.13 | 0.10 | |||||
0 | 337 | 1 | 1 | 1 | 1 | 1 | |||||
1 | 339 | 1.16 (0.97–1.38) | 1.02 (0.87–1.21) | 1.35 (1.05–1.73) | 1.03 (0.85–1.24) | 1.09 (0.80–1.48) | |||||
2 | 203 | 1.13 (0.92–1.39) | 1.12 (0.93–1.35) | 0.92 (0.67–1.27) | 1.06 (0.85–1.31) | 0.69 (0.46–1.03) | |||||
3 | 130 | 1.16 (0.94–1.44) | 1.25 (1.02–1.52) | 1.32 (0.96–1.81) | 1.23 (0.98–1.55) | 0.89 (0.58–1.36) | |||||
4 | 45 | 1.35 (0.99–1.82) | 1.50 (1.13–2.0) | 1.10 (0.67–1.8) | 1.27 (0.93–1.73) | 0.53 (0.20–1.36) | |||||
5 | 16 | 2.29 (1.43–3.66) | 1.56 (1.08–2.24) | 1.34 (0.71–2.54) | 0.97 (0.58–1.64) | 0.94 (0.46–1.91) | |||||
Age group (years)c | 1115 | 0.69 | 0.59 | 0.42 | 0.54 | 0.02 | |||||
< 40 | 267 | 1 | 1 | 1 | 1 | 1 | |||||
40–55 | 544 | 0.96 (0.82–1.13) | 0.92 (0.79–1.08) | 1.03 (0.78–1.37) | 1.09 (0.90–1.32) | 1.94 (1.21–3.12) | |||||
> 55 | 304 | 1.03 (0.85–1.25) | 0.95 (0.79–1.14) | 1.19 (0.87–1.63) | 1.01 (0.82–1.25) | 1.79 (1.08–2.96) | |||||
Body Mass Index (points)c | 1092 | 0.96 | 0.55 | 0.26 | 0.58 | 0.35 | |||||
< 18.5 | 11 | 0.83 (0.39–1.78) | 0.97 (0.41–2.32) | 1.77 (0.70–4.47) | 0.76 (0.34–1.68) | 1.36 (0.29–6.46) | |||||
18.5–24.9 | 707 | 1 | 1 | 1 | 1 | 1 | |||||
25.0–29.9 | 287 | 0.99 (0.86–1.15) | 1.08 (0.95–1.24) | 0.95 (0.75–1.2) | 1.03 (0.87–1.22) | 0.95 (0.70–1.29) | |||||
> 30 | 87 | 1.03 (0.81–1.31) | 1.14 (0.91–1.42) | 1.26 (0.94–1.71) | 1.14 (0.92–1.43) | 1.31 (0.92–1.86) | |||||
Time for personal relaxationb | 1094 | 0.02 | 0.15 | 0.31 | 0.62 | 0.78 | |||||
≥ 3 h /day | 281 | 1 | 1 | 1 | 1 | 1 | |||||
1–2 h/day | 577 | 1.19 (0.99–1.43) | 1.12 (0.94–1.33) | 1.06 (0.84–1.35) | 1.0 (0.84–1.18) | 1.24 (0.91–1.70) | |||||
< 1 h/day | 236 | 1.29 (1.03–1.61) | 1.18 (0.95–1.46) | 1.16 (0.84–1.59) | 0.95 (0.76–1.19) | 1.02 (0.65–1.60) | |||||
Domestic workb | 1102 | 0.44 | 0.82 | 0.03 | 0.44 | 0.03 | |||||
0–10 h/week | 382 | 1 | 1 | 1 | 1 | 1 | |||||
11–20 h/week | 459 | 0.87 (0.75–1.02) | 0.92 (0.79–1.07) | 0.78 (0.63–0.96) | 0.94 (0.81–1.11) | 0.79 (0.59–1.04) | |||||
≥ 21 h/week | 261 | 0.95 (0.80–1.14) | 0.98 (0.83–1.17) | 0.74 (0.55–0.99) | 0.94 (0.77–1.14) | 0.66 (0.46–0.93) | |||||
Physical exerciseb | 1107 | 0.94 | 0.57 | 0.50 | 0.55 | 0.17 | |||||
Twice a week or more | 807 | 1 | 1 | 1 | 1 | 1 | |||||
Once a week | 153 | 1.01 (0.85–1.21) | 0.98 (0.83–1.17) | 0.96 (0.72–1.26) | 1.04 (0.85–1.26) | 0.81 (0.56–1.18) | |||||
Occasionally or never | 147 | 1.01 (0.82–1.25) | 0.95 (0.77–1.16) | 0.88 (0.63–1.22) | 1.03 (0.84–1.27) | 0.79 (0.52–1.21) | |||||
Daily smokers | 1111 | 0.02 | 0.17 | 0.43 | 0.34 | 0.12 | |||||
no | 1063 | 1 | 1 | 1 | 1 | 1 | |||||
yes | 48 | 0.59 (0.37–0.92) | 0.77 (0.53 (1.12) | 0.83 (0.53–1.31) | 1.15 (0.86–1.53) | 0.63 (0.36–1.13) | |||||
Occupational category c | 1115 | 0.02 | < 0.001 | 0.39 | 0.01 | 0.02 | |||||
Teacher | 246 | 1 | 1 | 1 | 1 | 1 | |||||
Anaesthetic nurse | 214 | 0.86 (0.66–1.11) | 1.03 (0.81–1.32) | 0.89 (0.59–1.35) | 0.8 (0.60–1.07) | 0.65 (0.40–1.06) | |||||
Surgical nurse | 209 | 1.08 (0.83–1.41) | 1.08 (0.84–1.39) | 1.03 (0.7–1.53) | 1.20 (0.93–1.56) | 0.68 (0.42–1.09) | |||||
Assistant nurse | 224 | 0.99 (0.76–1.29) | 1.07 (0.84–1.36) | 1.19 (0.83–1.70) | 1.08 (0.85–1.38) | 0.72 (0.48–1.08) | |||||
Sonographer | 222 | 1.21 (0.97–1.5) | 1.44 (1.18–1.78) | 1.18 (0.84–1.67) | 1.22 (0.95–1.57) | 0.40 (0.23–0.69) |