Table 2 Age of Thai girls at menarche according to type of school
Characteristics | Total n (%) | Number undergoing menarche n (%) | Mean (range) | 95%CI |
|---|---|---|---|---|
Type of school | ||||
Bangkok Metropolis | 116 (11.4) | 44 (8.2) | 11.4 (9.0–12.7) | 11.1–11.6 |
Ministry of Education school | 123 (12.1) | 74 (13.8) | 11.8 (9.0–14.5) | 11.5–12.1 |
Demonstration school | 144 (14.1) | 126 (23.5) | 12.4 (8.6–15.0) | 12.2–12.5 |
Private school | 637 (62.5) | 293 (54.6) | 11.6 (8.2–14.4) | 11.5–11.7 |