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. 2017 Apr 6;8(4):356–363. doi: 10.1016/j.shaw.2017.03.004

Table 6.

Univariate associations between combinations of different work exposures (low exposure, to physical demands, vs. high exposure) and self-reported excellent work ability (i.e., work ability score 10) for workers with pain in upper back and neck

Work demands Age 16–29 y
Age 30–49 y
Age 50–64 y
N PR (95% CI) N PR (95% CI) N PR (95% CI)
Low exposure to
“Leaning forward without support,” “Twisted work posture,” “Lifting ≥15 kg”
Men 15 0.96 (0.70, 1.51) 116 1.41 (1.41, 1.88) 94 1.56 (1.18, 2.22)
Women 80 1.25 (0.99, 1.67) 298 1.01 (1.01, 1.54) 201 1.45 (1.08, 2.15)
Low exposure to
“Leaning forward without support,” “Twisted work posture,” “Lifting ≥15 kg” and “Low demands”
Men 5 0.79 (0.50, 1.36) 45 1.23 (0.97, 1.65) 32 0.99 (0.75, 1.45)
Women 39 1.51 (1.09, 2.22) 11 1.38 (1.08, 1.88) 64 1.28 (0.93, 2.02)
Low exposure to
“Leaning forward without support,” “Twisted work posture,” “Lifting ≥15 kg,” “Hands at shoulder level or higher”
Men 15 0.99 (0.67, 1.11) 112 1.48 (1.11, 2.18) 93 1.49 (1.97, 2.01)
Women 17 1.15 (0.88, 1.65) 291 1.36 (1.03, 1.99) 198 2.16 (1.38, 4.65)
Low exposure to
“Leaning forward without support,” “Twisted work posture,” “Lifting ≥15 kg,” “Hands at shoulder level or higher,” and “Low demands”
Men 5 0.85 (0.54, 1.79) 43 1.29 (0.96, 1.92) 31 0.93 (0.68, 1.49)
Women 39 1.48 (1.01, 2.50) 110 1.40 (1.02, 2.19) 64 1.87 (1.13, 4.64)
Low exposure to
“Hands at shoulder level or higher,” “Repetitive movements”
Men 28 0.98 (0.72, 1.52) 136 1.23 (0.99, 1.63) 100 1.41 (1.05, 2.08)
Women 82 1.03 (0.82, 1.37) 298 1.18 (0.96, 1.53) 197 1.83 (1.30, 3.01)
Low exposure to
“Hands at shoulder level or higher,” “Repetitive movements,” and “Low demands”
Men 12 0.97 (0.70, 1.54) 54 1.10 (0.87, 1.51) 32 0.96 (0.69, 1.55)
Women 32 1.38 (0.98, 2.14) 113 1.17 (0.93, 1.57) 60 1.47 (1.00, 2.63
Low exposure to
“Hands at shoulder level or higher,” “Repetitive movements,” “Frequent trunk rotations”
Men 16 1.06 (0.78, 1.62) 101 1.37 (1.08, 1.85) 64 1.48 (1.07, 2.32)
Women 35 1.02 (0.81, 1.38) 209 1.24 (1.00, 1.63) 126 1.94 (1.34, 3.34)
Low exposure to
“Hands at shoulder level or higher,” “Repetitive movements,” “Frequent trunk rotations,” and “Low demands”
Exposure to
Men 4 1.25 (0.70, 4.56) 36 0.78 (0.61, 1.03) 23 1.07 (0.81, 1.58)
Women 15 0.70 (0.45, 1.08) 81 0.85 (0.73, 1.02) 43 0.62 (0.40, 0.90)
“Seated work,” “Low demands,” “High control” Men 10 1.36 (0.87, 2.29) 21 0.86 (0.70, 1.11) 8 0.38 (0.14, 0.69)
Women 12 1.37 (0.96, 1.95) 33 0.98 (0.86, 1.15) 11 0.55 (0.34, 0.78)
“Low demands,” “High control,” “High support” Men 13 1.36 (0.87, 2.29) 34 0.86 (0.70, 1.11) 16 0.38 (0.14, 0.69)
Women 15 1.37 (0.96, 1.95) 75 0.98 (0.86, 1.15) 35 0.55 (0.34, 0.78)

N, number of workers (reporting low exposure and work ability score 10). Bold values indicate a statistically significant association.

CI, confidence interval; PR, prevalence ratio.