Table 3.
Independent effects of covariates on latent class membership probability
| Covariate | p | BFVa | BLV | FFV | FLV | FHED |
|---|---|---|---|---|---|---|
| Maternal characteristics | ||||||
| Age (y) | 0.001 | 1 | 0.97 (0.90–1.04) |
0.99 (0.93–1.05) |
0.93 (0.88–0.97) |
0.83 (0.77–0.90) |
| Incomeb | 0.007 | 1 | 0.88 (0.61–1.27) |
0.87 (0.59–1.21) |
0.75 (0.58–0.97) |
0.52 (0.36–0.75) |
| Marital status (y/n) | <0.0001 | 1 | 0.46 (0.11–1.86) |
1.43 (0.24–8.49) |
0.19 (0.07–0.54) |
0.07 (0.02–0.25) |
| Educationc | <0.0001 | 1 | 0.94 (0.54–1.63) |
1.17 (0.70–1.97) |
0.45 (0.30–0.68) |
0.41 (0.23–0.73) |
| Pre-pregnancy BMI | 0.02 | 1 | 0.95 (0.88–1.03) |
0.99 (0.93–1.06) |
1.05 (1.00–1.10) |
1.09 (1.02–1.15) |
| Gestational wt gain (kg) | NS | 1 | 1.03 (0.97–1.09) |
1.00 (0.95–1.05) |
1.03 (0.97–1.09) |
1.04 (0.99–1.08) |
| Returned to work by 3 months (y/n) | 0.07 | 1 | 0.96 (0.37–2.50) |
2.32 (0.93–5.77) |
2.27 (1.15–4.49) |
1.73 (0.59–5.07) |
| Infant characteristics | ||||||
| Infant sex | NS | 1 | 0.84 (0.33–2.17) |
1.04 (0.41–2.63) |
1.18 (0.60–2.29) |
0.95 (0.33–2.68) |
| Birth wt for gest age | NS | 1 | 0.85 (0.55–1.30) |
0.94 (0.64–1.40) |
0.98 (0.73–1.30) |
1.11 (0.70–1.75) |
| Childcare (y/n) at 20w | NS | 1 | 0.95 (0.37–2.42) |
2.39 (0.92–6.18) |
1.88 (0.96–3.71) |
1.81 (0.59–5.50 |
Values are OR (95% CI). Bolded values are significant, p<0.05.
a
Dietary latent classes: BFV=breastfed, fruits and vegetables, BLV=breastfed, low variety, FFV=formula, fruits and vegetables, FLV=formula, low variety, FHED=formula, high energy density
b
<$10,000, $10,000–24,999, $25,000–49,999, $50,000–74,999, $75,000–99,999, or ≥$100,000
c
High school or less, some college, college graduate, or post-graduate