TABLE 1.
Demographic Characteristics of Participants in the Nurture Study, 2013–2017 (N = 666)
| Value | |
|---|---|
| Infant characteristics | |
| Birth length, cm, mean (SD) | 49.7 (2.6) |
| Birth wt, g, mean (SD) | 3209.7 (512.5) |
| Birth wt for gestational age z score, mean (SD) | 0.1 (1.0) |
| Any breastfeeding duration, min, mean (SD) | 4.1 (4.3) |
| BMI z score, mean (SD) | |
| At 3 mo | 0.2 (0.9) |
| At 6 mo | 0.3 (1.0) |
| At 9 mo | 0.6 (1.0) |
| At 12 mo | 0.7 (1.0) |
| At risk for overweight (BMI z score ≥1), No. (%) | |
| At 3 mo | 94 (14.1) |
| At 6 mo | 110 (16.5) |
| At 9 mo | 129 (19.4) |
| At 12 mo | 154 (23.1) |
| Wt gain from birth to 12 mo, kg, mean (SD) | 6.6 (1.2) |
| Female sex, No. (%) | 326 (48.9) |
| Race, No. (%) | |
| Black | 457 (68.6) |
| White | 100 (14.9) |
| Other race or >1 race | 99 (14.9) |
| Ethnicity, Latinx or Hispanic, No. (%) | 59 (8.9) |
| Age, mean (SD), mo | |
| At 3-mo assessment | 3.4 (0.5) |
| At 6-mo assessment | 6.3 (0.5) |
| At 9-mo assessment | 9.5 (0.5) |
| At 12-mo assessment | 12.5 (0.8) |
| Maternal characteristics | |
| Age, y. mean (SD) | 27.3 (5.8) |
| Prepregnancy BMI, mean (SD) | 29.9 (9.2) |
| Parity assessed in pregnancy, No. (%) | |
| 0 | 236 (35.4) |
| 1 | 190 (28.5) |
| 2 | 216 (32.4) |
| Marital status, No. (%) | |
| Married or living with partner | 395 (59.3) |
| Never married, divorced, separated, or other | 271 (40.7) |
| Race, No. (%) | |
| Black | 476 (71.4) |
| White | 128 (19.2) |
| Other race or >1 race | 62 (9.3) |
| Ethnicity, Hispanic, No. (%) | 43 (6.5) |
| Education, No. (%) | |
| Less than high school | 135 (20.3) |
| High school degree | 184 (27.6) |
| Some college | 240 (36.0) |
| College or graduate degree | 107 (16.1) |
| Household characteristics, mean (SD) | |
| No. adults | 2.9 (1.2) |
| No. children | 3.7 (1.6) |
| Annual income, No. (%) | |
| <$20 000 | 403 (60.5) |
| $20 000–$39 999 | 133 (20.0) |
| $40 000–$70 000 | 65 (9.8) |
| >$70 000 | 49 (7.4) |
| Missing | 16 (2.4) |
| WIC participation, No. (%) | |
| At 3 mo | 391 (58.7) |
| At 6 mo | 357 (53.6) |
| At 9 mo | 323 (48.8) |
| At 12 mo | 318 (47.7) |
| SNAP participation, No. (%) | |
| At 3 mo | 352 (52.3) |
| At 6 mo | 324 (48.6) |
| At 9 mo | 292 (43.8) |
| At 12 mo | 289 (43.4) |