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Table 1 Potential determinants of sickness absence of Norwegian doctors by employment status in 2010

From: Differences in sickness absence between self-employed and employed doctors: a cross-sectional study on national sample of Norwegian doctors in 2010

  Employed doctors Self-employed doctors p-value
(n = 521) (n = 313)
Gender (%)    
Female 43.0 32.8  
Male 57.0 67.2 0.003
[Missing, n] [n = 0] [n = 0]  
Age, year (%)    
29-35 13.9 6.5  
36-44 31.4 20.1  
45-67 54.7 73.4 0.0001
[Missing, n] [n = 0] [n = 0]  
Working hours/week (%)    
≤40 30.3 32.8  
41-48 41.5 39.7  
>48 28.2 27.5 0.641
[Missing, n] [n = 18] [n = 13]  
Self-rated health (%)    
Very good 41.4 39.5  
Good 45.9 46.7  
Average 11.9 13.1  
Poor 0.8 0.7 0.929
[Missing, n] [n = 7] [n = 17]  
Professional autonomy (mean)    
(From 1 very dissatisfied to 7 very satisfied) 4.9 5.7 0.0001
[Missing, n] [n = 12] [n = 12]  
Levels of psychosocial work stress (%)    
High levels (ERI ration >1) 24.3 11.4  
Low levels (ERI ratio ≤1) 75.6 88.6 0.0001
[Missing, n] [n = 32] [24]  
  1. Comparisons of proportions by Pearson’s Chi-square test and of interval variables by ANOVA.