Low versus high socioeconomic position | Middle versus high socioeconomic position | |||||
OR* | (95% CI) | P | OR* | (95% CI) | P | |
BMI z-score | ||||||
NDE | 1.433 | (1.380 to 1.488) | <0.001 | 1.204 | (0.883 to 1.641) | 0.241 |
NIE | 1.001 | (0.996 to 1.007) | 0.635 | 1.000 | (0.999 to 1.001) | 0.659 |
WHtR† | ||||||
NDE | 1.455 | (1.288 to 1.643) | <0.001 | 1.203 | (1.005 to 1.441) | 0.045 |
NIE | 0.991 | (0.978 to 1.004) | 0.183 | 1.000 | (0.997 to 1.003) | 0.996 |
WC | ||||||
NDE | 1.456 | (0.866 to 2.449) | 0.156 | 1.204 | (0.970 to 1.495) | 0.093 |
NIE | 0.996 | (0.992 to 1.000) | 0.045 | 0.998 | (0.995 to 1.001) | 0.135 |
*Adjusted for sex, ethnicity, caesarean, firstborn, smoke in utero, smoke infancy and breast feeding.
†WHtR values presented as WHtR/10.
BMI, body mass index; NDE, natural direct effect; NIE, natural indirect effect; WC, waist circumference; WHtR, waist-to-height ratio.