Table 3

Odds ratios (ORs (95% CIs)) for risk of disability in activities of daily living among elderly people in Taiwan by social class indicated by occupation

Social class indicated by longest held occupation in a lifetimeControls nCases nCrude estimatesAdjusted estimates
OR (95% CI)p ValueOR3-150 (95% CI)p Value
Higher level white collar workers3-151 75221.01.0
Lower level white collar workers31101.2 (0.5 to 2.6)0.731.0 (0.4 to 2.5)0.98
Skilled blue collar workers49191.4 (0.7 to 2.7)0.331.4 (0.7 to 2.9)0.34
Unskilled blue collar workers2411201.8 (1.1 to 2.8)0.011.8 (1.1 to 3.0)0.02
Total396171p for trend=0.03
  • 3-150 Odds ratios were calculated from unconditional logistic regression models with adjustment for age, sex, education level, marital status, cigarette and alcohol consumption, exercise, co-morbidity and duration of employment for longest held occupation in a lifetime.

  • 3-151 Reference category.