Table 1

Relative risk ratio (RRR) and 95% CI from the latent class analysis model with covariates using the low-risk group as the reference (N=5947)

Class 2:
high-risk
(vs low-risk)
Class 3:
clinical-risk
(vs low-risk)
Class 4:
lifestyle-risk
(vs low-risk)
RRR95% CIP valueRRR95% CIP valueRRR95% CIP value
Model I(controlling for age, gender, ethnicity)
 Loneliness2.442.02 to 2.960.0140.830.71 to 0.96<0.0011.451.19 to 1.78<0.001
 Living alone1.771.20 to 2.600.0371.391.02 to 1.890.0043.112.06 to 4.67<0.001
 Low social contact0.710.61 to 0.820.2830.940.84 to 1.05<0.0011.000.84 to 1.180.994
 Social disengagement4.253.21 to 5.630.0051.281.08 to 1.53<0.0015.774.51 to 7.37<0.001
Model II (model I+SES+existing CVD conditions)
 Loneliness2.401.96 to 2.94<0.0010.840.72 to 0.980.0251.361.10 to 1.670.004
 Living alone1.150.77 to 1.720.4841.190.87 to 1.650.2761.861.18 to 2.910.007
 Low social contact0.780.66 to 0.920.0030.950.84 to 1.070.4251.130.94 to 1.350.192
 Social disengagement3.032.40 to 3.83<0.0011.221.04 to 1.430.0173.702.91 to 4.70<0.001