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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