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Table 6 Distribution of postures, job demand and social support for cutters , prevalence proportion ratio (PPR) and 95% confidence interval (CI), compared with joint group (n = 50)

From: The effects of a medical hypnotherapy on clothing industry employees suffering from chronic pain

  Cutters* (n = 50) Reference groups (length of service, years)
I (0–7) (n = 30) II (8–15) (n = 12) III (> 15) (n = 8)
Number % Number % Number % Number %
PPR (95% CI) PPR (95% CI) PPR (95% CI)
Awkward posture 47 94.0 28 93.3 11 91.6 8 100
0.99 (0.63-1.34) 0.97 (0.42-1.51) 1.06 (0.32-1.79)
Physical exhausting 38 76.0 21 70.0 10 83.3 7 87.5
0.91 (0.58-1.23) 1.09 (0.47-1.70) 1.15 (0.35-1.94)
Extensivework 45 90.0 27 90.0 10 83.3 8 100
1.00 (0.64-1.35) 0.92 (0.40-1.44) 1.11 (0.34-1.88)
High work speed 20 40.0 12 40.0 4 33.3 4 50.0
1.00 (0.64-1.35) 0.83 (0.36-1.29) 1.25 (0.38-2.12)
Too manyjob tasks 41 82.0 27 90.0 9 75.0 5 62.5
1.10 (0.70-1.49) 0.92 (0.40-1.44) 0.76 (0.23-1.28)
Colleagues’ support 38 76.0 27 90.0 5 41.6 6 75.0
1.18 (0.75-1.60) 0.54 (0.23-0.84) 0.98 (0.30-1.66)
Supervisors’ support 45 90.0 24 80.0 12 100 7 87.5
0.89 (0.57-1.21) 1.11 (0.48-1.73) 0.97 (0.29-1.64)
  1. * Multiple answers were possible.