Table 4.

Age distribution in study participants in northeastern Guangdong Province of China

Age (year)	2013(N = 10,081)		2014(N = 12,876)		2015(N = 5773)		HPV positivity(N = 5180)
	n	%	n	%	n	%	n	%(95%CI)
15–19	21	0.21	37	0.29	30	0.51	24	0.46 (0.28–0.64)
20–29	1015	10.07	1226	9.52	587	10.17	627	12.10 (11.21–12.99)
30–39	2801	27.79	3407	26.46	1500	25.98	1187	22.92 (21.78–24.06)
40–49	4456	44.20	5758	44.72	2578	44.65	2085	40.25 (38.91–41.59)
50–59	1366	13.55	1867	14.50	817	14.15	906	17.49 (16.46–18.52)
60–69	302	3.00	443	3.44	194	3.35	260	5.02 (4.43–5.61)
70–79	101	1.00	120	0.93	50	0.86	78	1.51 (1.18–1.84)
80–89	18	0.18	21	0.16	18	0.32	13	0.25 (0.11–0.39)