Table 1 Univariable and multivariable analysis of association of studied variables with body mass index for age z-score (BAZ) in the primary school students (n = 9853).
Statistics | Univariable Analysis | B | Multivariable Analysis | |||||||
---|---|---|---|---|---|---|---|---|---|---|
BMI for age z-score (BAZ) | P value | Odds ratio (95%CI) | P value | Odds ratio (95%CI) | ||||||
overweight/obese/severe obese | Others | |||||||||
Variables | N or Mean | % or SD | N or Mean | % or SD | ||||||
Gender | Male | 1233 | 25.2 | 3656 | 74.8 | 0.004 | 1.1 (1–1.2) | − 0.06 | 0.1 | 0.9 (0.8–1) |
Female | 1379 | 27.8 | 3585 | 72.2 | ||||||
Height for age-z score (HAZ): Normal/Stunting(ref) | Normal | 2596 | 27 | 7025 | 73 | < 0.001 | 5 (3.3–10) | 1.5 | < 0.001 | 4.5 (2.8–7.2) |
Moderate to severe stunning | 20 | 8.3 | 221 | 91.7 | ||||||
Residency Place: Urban/Rural(ref) | Urban | 2065 | 30.3 | 4740 | 69.7 | < 0.001 | 2 (2–2.5) | 0.5 | < 0.001 | 1.7 (1.5–1.9) |
Rural | 547 | 17.9 | 2501 | 82.1 | ||||||
Type of school: Private/Public(ref) | Public | 1641 | 23 | 5504 | 77 | < 0.001 | 1.8 (1.7–2) | 0.5 | < 0.001 | 1.6 (1.6–2) |
Private | 975 | 35.9 | 1742 | 64.1 | ||||||
Grade in School | 1 | 358 | 18.5 | 1577 | 81.5 | < 0.001 | – | 0.09 | 0.2 | 1.09 (0.9–1.2) |
2 | 417 | 22.1 | 1469 | 77.9 | ||||||
3 | 402 | 27 | 1088 | 73 | ||||||
4 | 484 | 31.4 | 1056 | 68.6 | ||||||
5 | 504 | 32.9 | 1029 | 67.1 | ||||||
6 | 442 | 30.6 | 1004 | 69.4 | ||||||
Age (year) | 9.3 | 1.7 | 8.9 | 1.8 | < 0.001 | – | 0.1 | 0.01 | 1.01 (1–1.01) |