Table 4 Multilevel analysis in predicting individual-level BMI.
Fixed effects | Not controlled for physical fitness | Controlled for physical fitness | ||||
|---|---|---|---|---|---|---|
BMI | Coefficient | S.E. | t/Wald Z | Coefficient | S.E. | t/Wald Z |
Intercept | 16.74 | 0.14 | 121.39*** | 17.89 | 0.13 | 140.38*** |
Gender | −0.90 | 0.01 | −153.33*** | −1.04 | 0.01 | −123.86*** |
Age | 0.43 | 0.001 | 357.04*** | 0.50 | 0.001 | 362.39*** |
Average family income per household | −7.34 | 1.18 | −6.21*** | −6.38 | 1.08 | −5.91*** |
Sit-and-reach | 0.05 | 0.001 | 153.06*** | |||
Sit-up | −0.02 | 0.001 | −50.34*** | |||
Standing long jump | −0.04 | 0.001 | −316.83*** | |||
Run/walk | 0.01 | 2.53 | 331.66*** | |||
Variance component | ||||||
Level 2- district | 0.02 | 0.01 | 2.85*** | 0.01 | 0.005 | 2.82*** |
Level 1- individual BMI | 16.15 | 0.02 | 968.40*** | 13.99 | 0.01 | 968.40*** |
−2*log-likelihood | 1.05 | 1.03 | ||||
