Table 4.
Demographic characteristics of 5 dietary latent classes
| Variable | pa | BFVb (n=60) | BLV (n=25) | FFV (n=46) | FLV (n=105) | FHED (n=23) |
|---|---|---|---|---|---|---|
| Maternal characteristics | ||||||
| Age (y)c | 0.002 | 30.3A (4.7) | 29.5ABC(4.1) | 29.8AB (3.7) | 28.BC (4.9) | 26.4C (4.4) |
| Income (%) | 0.02 | |||||
| <$10,000 | 1.7 | 4.0 | 2.2 | 3.8 | 3.8 | |
| $10,000–24,999 | 6.7 | 4.0 | 0.0 | 7.6 | 17.4 | |
| $25,000–49,999 | 3.3 | 4.0 | 8.7 | 12.4 | 26.1 | |
| $50,000–74,999 | 25.0 | 28.0 | 37.0 | 22.9 | 26.1 | |
| $75,000–99,999 | 21.7 | 28.0 | 10.9 | 26.7 | 4.4 | |
| ≥$100,000 | 40.0 | 32.0 | 32.6 | 20.0 | 17.4 | |
| Don’t know/refuse to answer | 1.7 | 0.0 | 8.7 | 6.7 | 4.4 | |
| Married (%) | <0.0001 | 91.7 | 84.0 | 89.1 | 68.6 | 52.2 |
| Education | <0.0001 | |||||
| High school or less | 5.0 | 12.0 | 6.5 | 10.5 | 17.4 | |
| Some college | 13.3 | 4.0 | 15.2 | 40.0 | 34.8 | |
| College graduate | 46.7 | 48.0 | 37.0 | 32.4 | 30.4 | |
| Post graduate | 35.0 | 36.0 | 41.3 | 17.1 | 17.4 | |
| Pre-pregnancy BMI | 0.06 | 24.7 (4.7) | 23.5 (3.1) | 25.3 (4.9) | 26.0 (5.8) | 27.4 (6.8) |
| Gest. wt gain (kg) | NS | 14.2 (6.4) | 15.6 (4.9) | 14.7 (5.8) | 15.8 (6.4) | 16.0 (6.9) |
| Returned to work by 3 months (%) | 0.08 | 43.3 | 44.0 | 63.0 | 62.9 | 59.1 |
| Infant characteristics | ||||||
| Infant sex (% female) | NS | 48.3 | 44.0 | 43.5 | 52.4 | 47.8 |
| Birthweight for gestational age z-score | NS | 0.03 (0.93) | −0.09 (0.76) | −0.02 (0.82) | 0.04 (0.94) | 0.10 (0.72) |
| Childcare at 20w (%) | NS | 51.7 | 52.0 | 68.9 | 69.9 | 61.9 |
Values are mean (SD) or %
a
Significant effect of dietary latent class using ANOVA or Fisher’s exact test
b
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
c
Values that do not share a common uppercase superscript letter are significantly different from one another