Table 5

 The associations of physically demanding work and age with role limitations due to physical health problems by gender, adjusting for socioeconomic status; odds ratios (OR) and their 95% confidence intervals (CI) from logistic regression analysis

Role limitations due to physical health problems
MenWomen
OR95% CIOR95% CI
*Covariates are physically demanding work and age, models are stratified for gender. Model 2 is adjusted for socioeconomic status. Reference group (OR = 1.00) for physically demanding work is those not in physically demanding work. Age is applied as continuous variable and the OR is interpreted as mean effect per 5 years of age.
Model 1: unadjusted*
Physically demanding work1.981.46 to 2.661.671.47 to 1.89
Age, 5 years1.131.02 to 1.241.241.18 to 1.30
Model 2: adjusted for socioeconomic status*
Physically demanding work2.081.51 to 2.861.761.54 to 2.02
Age, 5 years1.131.03 to 1.251.231.18 to 1.29