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)
	RRR	95% CI	P value	RRR	95% CI	P value	RRR	95% CI	P value
Model I(controlling for age, gender, ethnicity)
Loneliness	2.44	2.02 to 2.96	0.014	0.83	0.71 to 0.96	<0.001	1.45	1.19 to 1.78	<0.001
Living alone	1.77	1.20 to 2.60	0.037	1.39	1.02 to 1.89	0.004	3.11	2.06 to 4.67	<0.001
Low social contact	0.71	0.61 to 0.82	0.283	0.94	0.84 to 1.05	<0.001	1.00	0.84 to 1.18	0.994
Social disengagement	4.25	3.21 to 5.63	0.005	1.28	1.08 to 1.53	<0.001	5.77	4.51 to 7.37	<0.001
Model II (model I+SES+existing CVD conditions)
Loneliness	2.40	1.96 to 2.94	<0.001	0.84	0.72 to 0.98	0.025	1.36	1.10 to 1.67	0.004
Living alone	1.15	0.77 to 1.72	0.484	1.19	0.87 to 1.65	0.276	1.86	1.18 to 2.91	0.007
Low social contact	0.78	0.66 to 0.92	0.003	0.95	0.84 to 1.07	0.425	1.13	0.94 to 1.35	0.192
Social disengagement	3.03	2.40 to 3.83	<0.001	1.22	1.04 to 1.43	0.017	3.70	2.91 to 4.70	<0.001