Table 1.

Demographics of the Data Sample

Variables	Characteristics	N
		Round 1	Round 2
Gender	Male	104	948
	Female	139	1113
Age	Less than 18	26	89
	18–25	90	772
	26–30	42	448
	31–40	53	505
	41–50	22	177
	51–60	9	61
	Over 60	1	9
Education	Junior high school or below	25	64
	High school	22	219
	Bachelor or college	127	1158
	Master or above	69	620
Location Type	Urban	183	1562
	Rural	60	499
Location	Wuhan	117	984
	Non-Wuhan	126	1077
Total sample size		243	2061