Table 3.
Multivariable regression model for early introduction to foods or drinks with free sugars.
| Characteristics | Complete Case Models | Models with Imputation | ||||||
|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | |||||
| PR | 95% CI | PR | 95% CI | PR | 95% CI | PR | 95% CI | |
| Household Income | ||||||||
| Q1 (lowest) (≤AU$40,000) | 2.3 | 1.4–3.8 | 1.9 | 1.2–3.1 | 2.0 | 1.3–3.1 | 1.8 | 1.2–2.9 |
| Q2 (AU$40,000–80,000) | 1.8 | 1.2–2.8 | 1.8 | 1.2–2.6 | 1.6 | 1.1–2.4 | 1.6 | 1.1–2.4 |
| Q3 (AU$80,000–120,000) | 1.5 | 1.0–2.3 | 1.4 | 0.9–2.1 | 1.4 | 1.0–2.1 | 1.4 | 0.9–2.1 |
| Q4 (highest) (AU$120,000+) | Ref | Ref | Ref | Ref | ||||
| Mother’s country of birth | ||||||||
| Other | 1.0 | 0.6–1.7 | 1.3 | 0.7–2.3 | 0.9 | 0.5–1.6 | 1.0 | 0.6–1.7 |
| Asia-other | 1.0 | 0.7–1.6 | 1.1 | 0.7–1.8 | 1.0 | 0.7–1.5 | 1.1 | 0.7–1.6 |
| India | 2.1 | 1.4–3.3 | 2.1 | 1.3–3.6 | 2.1 | 1.4–3.1 | 2.2 | 1.5–3.4 |
| Australia, NZ and UK | Ref | Ref | Ref | Ref | ||||
| Total number of children | ||||||||
| 3+ children | 1.8 | 1.3–2.6 | 1.9 | 1.3–2.9 | 1.8 | 1.3–2.5 | 1.8 | 1.3–2.5 |
| 2 children | 1.1 | 0.8–1.4 | 1.0 | 0.7–1.5 | 1.1 | 0.8–1.4 | 1.1 | 0.9–1.5 |
| 1 child | Ref | Ref | Ref | Ref | ||||
| Maternal age at birth (years) | ||||||||
| ≤24 years | 2.1 | 1.3–3.3 | 1.9 | 1.1–3.2 | 1.9 | 1.3–3.0 | 1.7 | 1.1–2.6 |
| 25–34 years | 1.3 | 0.9–1.8 | 1.3 | 0.8–1.9 | 1.3 | 0.9–1.8 | 1.2 | 0.9–1.7 |
| 35+ years | Ref | Ref | Ref | Ref | ||||
| Mother’s soft drink consumption | ||||||||
| Everyday | 1.8 | 1.1–2.9 | 1.7 | 1.1–2.5 | ||||
| Sometime | 1.2 | 0.9–1.6 | 1.1 | 0.9–1.4 | ||||
| Never | Ref | Ref | ||||||
| Mother’s fruit consumption | ||||||||
| Every day | 0.8 | 0.6–1.0 | 0.8 | 0.6–1.0 | ||||
| Never/Sometime | Ref | |||||||
| Breastfeeding at 3 months | ||||||||
| Yes | 0.6 | 0.5–0.8 | 0.6 | 0.5–0.8 | ||||
| No | Ref | Ref | ||||||
PR: Prevalence ratios. 95% CI: 95% confidence interval. Model 1 adjusted for the presented variables plus age in months when the questionnaire used to assess the outcome was completed, mother’s education, Indigenous status, and work status; Model 2 adjusted for variables in the model 1 and other covariates.