# Table 1 Descriptive statistics

Variables Mean1
Employment status2 Not employed Employed
Sample size N = 1514 N = 841
Fertility variables
Preferred number of children 1.768 (0.816) 1.378 (0.695)
Actual number of children 1.650 (0.803) 1.202 (0.632)
Instrumental variables3
A bus stop in the village or neighborhood 0.602   0.747
Other explanatory variables
Household annual income (RMB) 18408.270 (26224.350) 31250.620 (32105.140)
Ethnic minority (wife and/or husband) 0.156   0.102
Age 40.546 (7.679) 38.960 (7.310)
Married 0.982   0.967
The first child is a son 0.463   0.477
Wife has siblings 0.967   0.956
Husband has siblings 0.930   0.888
Smoking 0.024   0.004
Drinking alcohol 0.069   0.124
Health insurance 0.452   0.591
Education
Less than primary school 0.203   0.050
Primary school 0.235   0.096
Lower middle school 0.409   0.380
Upper middle school 0.126   0.168
Technical school 0.023   0.164
College 0.003   0.141
Occupation
Worker N/A   0.585
Professional N/A   0.166
Manager N/A   0.040
Staff N/A   0.130
Other occupations N/A   0.078
Health status
Excellent 0.119   0.180
Good 0.542   0.522
Fair 0.283   0.282
Poor 0.057   0.017
Village or neighborhood population (in 1000) 3.188 (4.106) 5.540 (8.125)
Han nationality allowed to have two children if the first child is female 0.469   0.233
Receiving a subsidy if having one child 0.668   0.705
Urban 0.050   0.439
Province
Heilongjiang 0.147   0.112
Liaoning 0.116   0.136
Jiangsu 0.075   0.149
Shandong 0.079   0.131
Henan 0.143   0.069
Hubei 0.104   0.102
Hunan 0.131   0.067
Guangxi 0.101   0.128
Guizhou 0.106   0.107
1. Data source: China Health and Nutrition Survey 2006.
2. N/A not applicable.
3. 1 Standard deviations are reported in parentheses for continuous variables.
4. 2 Employment status is defined by whether an individual has a job off the farm.
5. 3 Instrumental variables are from China Health and Nutrition Survey Community Questionnaire 2006.