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Table 3 Association between occupational social class and physical function in older age

From: Working conditions mediate the association between social class and physical function in older age in Sweden: a prospective cohort study

  Physical function in older age
Mobility limitations Physical impairment
  OR 95% CI OR 95% CI
Model 1     
Upper white-collara ref. ref. ref. ref.
 Lower white-collar 1.34 0.88–2.05 1.67* 1.04–2.68
 Skilled blue-collar 1.73* 1.09–2.73 1.65 0.97–2.79
 Unskilled blue-collar 1.51 0.98–2.31 1.52 0.93–2.48
Model 2 Physical working conditions
 Lower white-collar 1.45 0.94–2.22 1.55 0.95–2.52
 Skilled blue-collar 2.01** 1.23–3.26 1.43 0.81–2.50
 Unskilled blue-collar 1.74* 1.10–2.75 1.33 0.79–2.23
Model 3 Psychosocial working conditions
Model 3a Passive
  Lower white-collar 1.36 0.88–2.08 1.52 0.94–2.48
  Skilled blue-collar 1.75* 1.09–2.82 1.43 0.82–2.48
  Unskilled blue-collar 1.53 0.97–2.41 1.25 0.74–2.13
Model 3b High-strain
  Lower white-collar 1.29 0.85–1.97 1.68* 1.04–2.71
  Skilled blue-collar 1.75* 1.11–2.77 1.64 0.97–2.79
  Unskilled blue-collar 1.47 0.96–2.26 1.52 0.93–2.49
Model 3c Low-strain
  Lower white-collar 1.28 0.84–1.96 1.60 0.99–2.58
  Skilled blue-collar 1.67* 1.05–2.65 1.56 0.93–2.70
  Unskilled blue-collar 1.37 0.89–2.12 1.38 0.83–2.27
Model 3d Active
  Lower white-collar 1.37 0.89–2.11 1.68* 1.03–2.73
  Skilled blue-collar 1.77* 1.11–2.84 1.66 0.96–2.86
  Unskilled blue-collar 1.55 0.99–2.41 1.54 0.92–2.55
Model 4 Physical and psychosocial working conditions
 Lower white-collar 1.36 0.87–2.12 1.42 0.86–2.37
 Skilled blue-collar 2.01** 1.21–3.35 1.28 0.71–2.31
 Unskilled blue-collar 1.61 0.98–2.63 1.10 0.62–1.96
  1. p < 0.10, p < 0.05*, p < 0.01**. OR Odds Ratio, CI Confidence Interval. All models are adjusted for age, sex, level of education, mobility, and health problems at baseline (Model 1). Model 2 was additionally adjusted for physical working conditions. Model 3 was adjusted like Model 1 and additionally for psychosocial working conditions. Model 4 was adjusted like Model 1 and additionally for physical and psychosocial working conditions. aThe reference category is upper white-collar workers in all models