Table 4.
Multivariate linear regression model showing associations between sociodemographic and children’s Diet Quality Index (DQI-C) score
| Characteristic | β coefficient | 95 % CI | P value |
|---|---|---|---|
| Marital status* | −0·18 | −0·41, 0·04 | 0·110 |
| Income* | 0·08 | −0·01, 0·15 | 0·06 |
| Education* | 0·18 | 0·09, 0·27 | <0·001 |
| Ethnicity* | −0·13 | −0·24, −0·02 | 0·02 |
| Pre-pregnancy BMI† | |||
| Underweight | 0·01 | −0·20, 0·22 | 0·942 |
| Normal weight (reference) | – | – | – |
| Overweight | −0·07 | −0·16, 0·02 | 0·106 |
| Obese | −0·17 | −0·29, −0·05 | 0·005 |
| Child’s birth order‡ | −0·11 | −0·17, −0·06 | <0·001 |
F(8,1171) = 8·89; P < 0·001; R2 = 0·0537.
*
Marital status in two groups: 1 = Married/Cohabiting; 2 = Single/Divorced/Widowed. Education in two groups: 1 = Less than university; 2 = University level. Income in two groups: 1 < $CAN100 000; 2 ≥ $CAN100,000. Ethnicity in two groups: 1 = Caucasian; 2 = Non-Caucasian.
†
Pre-pregnancy BMI reference group = normal weight.
‡
Birth order = 1–5.