Table 5: Proportional hazard models predicting mortality ( ).

ParameterEstimateStdErrChiSqprobHazard ratioHRLower CLHRUpper CL

Equation 1
 Moderate-stress group0.3560.10710.947.0011.4281.1561.764
 High-stress group0.3980.1556.638.0101.4901.1002.018

Equation 2
 Moderate-stress group0.3520.10910.440.0011.4221.1491.761
 High-stress group0.3150.1574.023.0451.3711.0071.866
 Health rating− 0.2880.06420.497.0010.7490.6610.849
 Married− 0.3310.1316.458.0110.7180.5560.927
 Less than high school− 0.2310.1841.596.2070.7930.5531.136
 College− 0.1210.1111.174.2790.8860.7121.103
 Postgrad0.0380.1500.0650.7991.0390.7741.394
 Nondrinker0.3140.1236.4960.0111.3691.0751.743
 Heavy drinker− 0.0090.1250.0050.9440.9910.7761.267
 Smoker0.2150.1272.8590.0911.2400.9661.591