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Association between school level and education level, school health campaign.
| BMI classes | Primary | Intermediate | Secondary | χ2(df) | P value |
|---|---|---|---|---|---|
| Underweight (BMI < 18.5) | 3910 | 1729 | 1223 | 2737.76 (10) | <.0001 |
| Normal (18.5 ≤ BMI ≤ 24.9) | 2216 | 2882 | 2941 | ||
| Overweight (25.0 ≤ BMI ≤ 29.9) | 554 | 1234 | 1186 | ||
| Obese-1 (30.0 ≤ BMI ≤ 34.9) | 144 | 553 | 637 | ||
| Obese-2 (35.0 ≤ BMI ≤ 39.9) | 43 | 198 | 288 | ||
| Obese-3 (BMI ≥ 40.0) | 28 | 138 | 169 | ||
| Total | 6895 | 6734 | 6444 |
BMI = body mass index, df = degree of freedom.
