Table 1.
Comparison of age between different weight groups for four outcomes
| Outcome | Weight group | Age, mean (SD), y | χ2# | P |
|---|---|---|---|---|
| Menarche | NW | 8.62 (1.21) | 1.48 | .228 |
| OW | 8.33 (1.13) | |||
| OB | 8.46 (1.23) | |||
| Breast development | NW | 8.28 (1.06) | 3.86 | .022 |
| OW | 7.90 (0.88) | |||
| OB | 7.83 (0.93) | |||
| First spermatorrhea | NW | 8.52 (1.20) | 3.13 | .044 |
| OW | 8.87 (1.10) | |||
| OB | 8.52 (1.04) | |||
| Testicular development | NW | 8.44 (1.17) | 2.19 | .112 |
| OW | 8.74 (1.08) | |||
| OB | 8.50 (1.03) |
#: Kruskal‐Wallis test to determine whether there was a significant difference in age between groups.
Abbreviations: NW = normal weight group, OW = overweight group, OB = obese group.