Table 1.

Encodings, means, and notes of variables

Independent variables	Category	Frequency	Percentage (%)	Note
Gender	male female	30,330 32,425	48.3 51.7
Age				Mean = 46.22 Standard Deviation = 15.48
Hukou	urban rural	29,401 33,354	46.9 53.1
Political status	party member not party member	6608 56,147	10.5 89.5	party is the Communist Party of China (CPC)
Marital status	being married single/divorce/widowed	50,703 12,052	80.8 19.2
Education	illiteracy primary school junior high school senior high school college or more	8029 14,680 18,919 12,675 8452	12.8 23.4 30.1 20.2 13.5
Work status	employment unemployment	41,154 21,601	65.6 34.4	unemployment includes jobless, students, and retirement
Period	2005–2013			7 periods
Cohort				15 cohort groups
Dependent variable
SRH	very poor poor fair good very good	2332 10,484 11,883 22,470 15,586	3.7 16.7 18.9 35.8 24.8	treating as continuous variable approximately