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 |