Table 1.

The scores of important puberty timing events in adolescents aged 8–15 in QiJiang District, Chongqing

Age	Male		Pubertal timing, N			Female		Pubertal timing, N
	P25	P75	On time	Early	Late	P25	P75	On time	Early	Late
8	1.00	2.00	160	43	20	1.00	1.60	157	38	25
9	1.20	1.80	278	97	158	1.00	1.60	378	83	46
10	1.00	1.60	378	101	63	1.00	1.80	251	72	141
11	1.00	1.60	351	110	46	1.40	2.20	241	97	131
12	1.20	2.00	331	100	151	1.60	2.60	236	87	128
13	1.60	2.40	290	89	148	2.20	2.80	297	92	119
14	1.80	2.60	282	97	119	2.40	3.00	319	79	127
15	2.00	2.80	153	29	49	2.45	3.00	102	43	59
Total	--	--	2223	666	754	--	--	1981	591	776