Table 3 Multi-level models for SDS BMI in boys
Model 1 | Model 2 | Model 3 | |||||||
|---|---|---|---|---|---|---|---|---|---|
Level and Variable | Coeff | S.E | P-value | Coeff | S.E | P-value | Coeff | S.E | P-value |
Micro level | |||||||||
Intercept | -0.137 | 0.559 | 0.806 | -0.543 | 0.677 | 0.423 | -0.640 | 0.771 | 0.407 |
Parental SEP | |||||||||
School education | |||||||||
Middle (ref. low) | 0.277 | 0.222 | 0.212 | 0.158 | 0.263 | 0.550 | -0.026 | 0.302 | 0.930 |
High (ref: low) | 0.110 | 0.246 | 0.655 | -0.040 | 0.290 | 0.891 | -0.324 | 0.327 | 0.321 |
Vocational training | |||||||||
Middle (ref. low) | -0.119 | 0.176 | 0.497 | -0.159 | 0.207 | 0.444 | 0.158 | 0.238 | 0.507 |
High (ref: low) | -0.015 | 0.187 | 0.936 | -0.005 | 0.236 | 0.985 | 0.152 | 0.266 | 0.567 |
Income | |||||||||
Middle (ref. low) | 0.064 | 0.196 | 0.745 | -0.116 | 0.281 | 0.679 | 0.027 | 0.306 | 0.929 |
High (ref: low) | -0.132 | 0.215 | 0.539 | -0.143 | 0.287 | 0.619 | -0.051 | 0.306 | 0.867 |
Covariates | |||||||||
Age (months) | -0.004 | 0.008 | 0.619 | 0.002 | 0.010 | 0.852 | -0.007 | 0.011 | 0.530 |
Migration background (yes; ref: no) | 0.243 | 0.145 | 0.094 | 0.300 | 0.180 | 0.096 | 0.404 | 0.193 | 0.036 |
Employment status mother | |||||||||
Part-time (ref: full time) | -0.204 | 0.235 | 0.386 | 0.238 | 0.304 | 0.434 | 0.664 | 0.311 | 0.033 |
Unemployed (ref: full time) | -0.230 | 0.246 | 0.350 | 0.164 | 0.319 | 0.608 | 0.285 | 0.326 | 0.382 |
Employment status father | |||||||||
Part-time (ref: full time) | -0.802 | 0.518 | 0.122 | -0.565 | 0.674 | 0.402 | -0.714 | 0.790 | 0.366 |
Unemployed (ref: full time) | 0.724 | 0.317 | 0.022 | 0.088 | 0.409 | 0.830 | -0.055 | 0.393 | 0.888 |
Intermediate Variables | |||||||||
Structural / material: | |||||||||
Number of siblings | |||||||||
One sibling (ref: no sibling) | 0.008 | 0.209 | 0.969 | 0.224 | 0.228 | 0.327 | |||
Two and more siblings (ref: no sibling) | 0.124 | 0.250 | 0.619 | 0.554 | 0.277 | 0.045 | |||
Psychosocial: | |||||||||
Strained family relationships (yes; ref: no) | 0.107 | 0.243 | 0.659 | 0.039 | 0.250 | 0.876 | |||
Behavioural (nutrition): | |||||||||
Soft drink consumption (yes; ref: no) | 0.000 | 0.193 | 0.999 | -0.029 | 0.214 | 0.894 | |||
Meal in fastfood restaurant (yes. sometimes; ref: no) | 0.138 | 0.165 | 0.404 | 0.250 | 0.177 | 0.157 | |||
Meso level | |||||||||
Average group size (ref: < 20) | |||||||||
20—25 | -0.542 | 0.237 | 0.022 | ||||||
> 25 | -0.423 | 0.303 | 0.162 | ||||||
Ratio to overweight children (ref: few overweight children) | |||||||||
Some overweight children | 0.398 | 0.254 | 0.116 | ||||||
More overweight children | 1.392 | 0.304 | < 0.001 | ||||||
ECEC form (all-day care; ref: not all-day care) | 0.209 | 0.279 | 0.453 | ||||||
Neighbourhood (urban. ref: rural) | -0.337 | 0.235 | 0.152 | ||||||
Additional information | |||||||||
Intercept variance | 0.092 | 0.105 | 0.000 | ||||||
Within-group variance | 1.399 | 1.002 | 0.909 | ||||||
Log likelihood | -580.7 | -262.7 | -187.9 | ||||||
Likelihood (LR) ratio test | 3.250 | 0.036 | 2.310 | 0.064 | 0.000 | 1.000 | |||
ICC | 0.062 | 0.095 | 0.000 | ||||||
Number of observations | 360 | 180 | 137 | ||||||
Number of groups | 53 | 34 | 29 | ||||||