Table 1.

Summary statistics.

	Obs	Mean	p50	Std dev	Min	Max
Junk food intake	9,995	0.480	0	0.500	0	1
Gender	9,995	0.496	0	0.500	0	1
Education	9,995	1.902	2	0.983	1	5
Self-rated health	9,995	3.307	3	1.280	1	5
Work status	9,995	0.202	0	0.402	0	1
Household incomes per capita	9,995	9,775.647	7,340	9,763.446	0.833	117,665
Age_60.25	9,995	−3.212	−3.583	8.203	−15.500	15.500
Pension	9,995	0.211	0	0.408	0	1

Gender is a dummy variable which takes the value 1 if the person is male, and 0 if otherwise. Education is a continuous variable which equals 1 if the person is illiterate, 2 if the person receives elementary school education, 3 if the person receives junior high school education, 4 if the person receives senior high school or technical secondary school education, and 5 if the person receives junior college education and above. Self-rated health is a continuous variable which equals 1 if the person considers himself/herself rather healthy, 2 if the person considers himself/herself very healthy, 3 if the person considers himself/herself healthy, 4 if the person considers himself/herself a little unhealthy, and 5 if the person considers himself/herself unhealthy. Work status is a dummy variable which takes the value 1 if the person has jobs, and 0 if otherwise. Household incomes per capita is the average income of the person's household excluding pensions. Age_60.25 is a continuous variable after respondents' age is standardized. Pension is a dummy variable which takes the value 1 if the person receives the pension from the NRPS, and 0 if otherwise.

Source: CFPS2014.