Table 3.

Item Response Probabilities for Health Lifestyle Indicators Used in Latent Class Analysis: Chinese Older Adults Aged 85–105, 2014

Variables	Class 1	Class 2	Class 3	Class 4
	(less healthy diet, not smoking, not drinking, poor sleep, low physical exercise& leisure activities; 32.4%)	(less healthy diet, not smoking, not drinking, good sleep, lowest physical exercise& leisure activities; 33.6%)	(consistent engagement in healthy behaviors; 21.9%)	(moderate diet, smoking and drinking, moderate sleep, moderate exercise and leisure activity engagement; 12.1%)
Health lifestyle indicators
1) Eating fresh fruit almost everyday
Yes	.038	.122	.314	.111
No	.962	.878	.686	.889
2) Eating fresh vegetables almost everyday
Yes	.331	.467	.820	.554
No	.669	.533	.180	.446
3) Drinking tea almost everyday
Yes	.095	.093	.313	.337
No	.905	.907	.687	.663
4) Smoking
Yes	.099	.119	.299	.922
No	.901	.881	.701	.078
5) Drinking
Yes	.089	.109	.190	.865
No	..911	.891	.810	.135
6) Good quality of sleep
Good	.191	.932	.679	.661
Poor	.809	.068	.321	.339
7) Normally sleeps at least 8 h
Yes	.231	.878	.505	.605
No	.769	.122	.495	.395
8) Exercising during the past & at present
Yes	.126	.156	.558	.435
No	.874	.844	.442	.565
9) Participating in physical leisure activities almost daily
Yes	.411	.331	.821	.573
No	.589	.669	.179	.427
10) Participating in sedentary leisure activities almost daily
Yes	.234	.246	.897	.593
No	.766	.754	.103	.407

Notes: All variables are coded 1 = yes, 0 = no.

Source: Chinese Longitudinal Healthy Longevity Survey (CLHLS) 2014 data