Table 1.
Prevalence of Obesity at 6 Years by Maternal and Infant Characteristics
| N (%) | % obese | p value* | |
|---|---|---|---|
|
| |||
| Total | 1181 (100.0) | 12.0 | |
| Maternal characteristicsa | |||
| Maternal age (y) | 0.2 | ||
| 18–25 | 152 (12.9) | 17.8 | |
| 25–29 | 390 (33.0) | 10.8 | |
| 30–35 | 390 (33.0) | 12.3 | |
| ≥35 | 249 (21.1) | 12.5 | |
| Race/ethnicity | 0.003 | ||
| Non-Hispanic white | 1043 (88.3) | 12.1 | |
| Non-Hispanic black | 35 (3.0) | 28.6 | |
| Hispanic | 59 (5.0) | 18.6 | |
| Other | 44 (3.7) | 2.3 | |
| Education | <0.0001 | ||
| ≤High school | 179 (15.2) | 24.0 | |
| 1–3 y college | 425 (36.0) | 13.7 | |
| ≥College | 577 (48.9) | 8.2 | |
| Poverty-income ratio (%) | 0.003 | ||
| <185 | 397 (33.6) | 17.4 | |
| 185–349 | 449 (38.0) | 10.2 | |
| ≥350 | 335 (28.4) | 9.9 | |
| Prepregnancy BMI (kg/m2) | <0.0001 | ||
| <18.5 | 44 (3.7) | 11.4 | |
| 18.5–24.9 | 541 (45.8) | 6.8 | |
| 25.0–29.9 | 297 (25.2) | 16.5 | |
| ≥30.0 | 299 (25.3) | 19.1 | |
| Marital status | <0.0001 | ||
| Married | 1001 (84.8) | 10.9 | |
| Not married | 180 (15.2) | 22.7 | |
| Parity | 0.6 | ||
| Primiparous | 317 (26.8) | 11.0 | |
| Multiparous | 864 (73.2) | 13.1 | |
| Child characteristics | |||
| Sex | 1.0 | ||
| Girl | 592 (50.1) | 12.5 | |
| Boy | 589 (49.0) | 12.6 | |
| Birth weight (g) | 0.0004 | ||
| <4000 | 1029 (87.1) | 11.6 | |
| ≥4000 | 152 (12.9) | 19.1 | |
| Gestational age (wk) | 0.9 | ||
| <37 | 48 (4.1) | 14.6 | |
| ≥37 | 1133 (95.9) | 12.4 | |
a
Maternal characteristics are from the baseline Infant Feeding Practices Study II (IFPS II) survey.
*
p values are from chi-square tests.
y, years; wk, weeks.