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Association between sex and BMI classes, school health campaign.
| BMI class | Male | Female | χ2(df) | P value |
|---|---|---|---|---|
| Underweight (BMI < 18.5) | 4258 | 2604 | 114.657 (5) | <.0001 |
| Normal (18.5 ≤ BMI ≤ 24.9) | 4319 | 3720 | ||
| Overweight (25.0 ≤ BMI ≤ 29.9) | 1682 | 1292 | ||
| Obese-1 (30.0 ≤ BMI ≤ 34.9) | 800 | 534 | ||
| Obese-2 (35.0 ≤ BMI ≤ 39.9) | 306 | 223 | ||
| Obese-3 (BMI ≥ 40.0) | 172 | 163 | ||
| Total | 11,537 | 8536 |
BMI = body mass index, df = degree of freedom.
