Table S1.

Age and sex distribution of the population census data of the general population in China in 2010

Age, years	Male	Female
n	n
30–34	135	94
35–39	227	181
40–44	340	299
45–49	450	384
50–54	412	396
55–59	419	472
60–64	362	391
65–69	255	259
≥70	389	467
Total number	2989	2943