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Table 2 Univariate odds ratios (OR) and 95% confidence intervals (CI) of socio-demographic characteristics and modifiable risk factors for sick leave among workers of an airline company (n = 2.150)

From: The influence of lifestyle and gender on sickness absence in Brazilian workers

   1-9 days sick leave (n = 811) ≥ 10 days sick leave (n = 366)
n OR 95% CI OR 95% CI
Individual characteristics      
Gender      
  Male 1274 1.00   1.00  
  Female 927 1.17 0.97-1.42 1.70* 1.34-2.17
Age (years)      
  Up to 29 982 1.00   1.00  
  30 - 39 832 0.80* 0.64-0.96 0.71* 0.55-0.93
  40 - 49 288 0.89 0.66-1.18 0.67* 0.45-1.00
  50 or more 99 0.59* 0.37-0.96 0.39* 0.19-0.78
Educational level      
  College 395 1.00   1.00  
  High school 1638 1.49* 1.16-1.90 1.38* 1.01-1.90
  Even elementary school 168 1.56* 1.06-2.30 0.64 0.34-1.20
Type of work      
  Administrative 597 1.00   1.00  
  Call center 324 0.92 0.68-1.24 1.03 0.70-1.52
  Blue collar 779 0.87 0.69-1.10 0.62* 0.45-0.86
  Air crew 501 0.74* 0.57-0.97 1.38* 1.00-1.90
Perceived stress in life      
  Low 505 1.00   1.00  
  Moderate 829 1.18 0.92-1.50 1.21 0.87-1.68
  High 860 1.25 0.98-1.60 1.41* 1.02-1.94
Lifestyle-related factors      
Body mass index      
  Normal weight (18.5-24.9) 1112 1.00   1.00  
  Overweight (25-29.9) 766 0.88 0.72-1.08 0.61* 0.46-0.80
  Obese (≥30) 272 0.81 0.61-1.09 0.74 0.51-1.08
Physical activity level      
  Regular 416 1.00   1.00  
  Little 506 0.86 0.64-1.14 1.08 0.74-1.57
  Inactive 1279 1.07 0.84-1.36 1.21 0.88-1.68
Smoking      
  Non smoker 1662 1.00   1.00  
  Ex-smoker 268 1.24 0.92-1.64 1.30 0.91-1.87
  Smoker 271 1.16 0.87-1.54 1.37 0.97-1.96
Absolute risk for estimate CHD**      
  0% 1181 1.00   1.00  
  1-4% 437 1.10 0.86-1.40 0.74 0.53-1.03
  > 5% 245 0.74 0.54-1.01 0.64* 0.42-0.96
  1. *p < 0,005.
  2. **Absolute risk for coronary heart disease in the next 10 years based on the Framingham equation.
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