Table 1.

Sample distribution.

Village or Community	Household (N) a	Distributed Sample	Returned Sample	Valid Sample	Invalid Sample
Gangcun Village	3602	130	127	125	2
Tangkou Community	2854	105	103	97	6
Fangcun Village	2414	85	82	82	0
Shancha Village	2342	80	80	78	2
Total	11,212	400	392	382	10

^a Data retrieved from http://www.tcmap.com.cn/anhui/huangshanqu_tangkouzhen.html (accessed on 4 November 2021).