. Author manuscript; available in PMC: 2014 Mar 24.

Published in final edited form as: J Int Neuropsychol Soc. 2010 Nov 17;17(1):163–173. doi: 10.1017/S1355617710001384

Table 1a.

Basic and extended demographics of Anhui and Yunnan samples

	Anhui (n =141)	Yunnan (n =201)	p
% Male	63.8%	65.7%	ns
Age (mean, SD)	40.5 yr (6.2)	34.9 yr (6.4)	<.0001
Education (mean, SD)	5.8 yr (2.1)	9.9 yr (2.3)	<.0001
Household family size (mean)	4.2 (1.2)	3.2 (1.5)	<.0001
% Currently married	96.5%	77.1%	<.0001
Total monthly family income (Yuan) (In approximate USD)	600.00 (IQR: 400–1000) $87 (IQR: $59–$147)	2000.00 (IQR: 1000–3000) $293 (IQR: $147–$440)	<.0001
% Han ethnicity	99.3%	82.6%	<.0001
% Speak Mandarin	12.8%	97.0%	<.0001

Note. Total monthly family income expressed is in Chinese Yuan currency, reported as medians and interquartile range and compared using nonparametric Wilcoxon rank sum test; USD =U.S. dollars; IQR =interquartile range. Non-Mandarin speakers spoke regional Mandarin dialect with written form equivalent to that of formal Mandarin.