Baseline Characteristics of Mother-Infant Pairs in the First 1000 Days Community Health Centers and Comparison Health Centers, by Intervention Assignment
| Infant and Maternal Characteristics . | Comparison Sites . | Intervention Sites . | P . |
|---|---|---|---|
| Infant characteristics | n = 650 | n = 995 | — |
| Sex, n (%) | |||
| Male | 334 (51.4) | 469 (47.1) | .09 |
| Female | 316 (48.6) | 526 (52.9) | — |
| Race and/or ethnicity, n (%) | |||
| White, non-Hispanic | 222 (34.2) | 196 (19.7) | <.001 |
| Hispanic/Latino | 340 (52.3) | 597 (60.0) | — |
| Black, non-Hispanic | 33 (5.1) | 60 (6.0) | — |
| Asian or other | 55 (8.5) | 142 (14.3) | — |
| Public insurance, n (%) | 372 (57.2) | 718 (72.2) | <.001 |
| Infant birth wt, kg, mean (SD) | 3.2 (0.4) | 3.4 (0.4) | <.001 |
| Gestational age, wk, mean (SD) | 39.1 (1.2) | 39.6 (1.1) | <.001 |
| Maternal characteristics | n = 535 | n = 995 | — |
| Age at delivery,a y, mean (SD) | 30.3 (5.8) | 29.7 (5.8) | .04 |
| Parity,a mean (SD) | 1.9 (1.0) | 2.1 (1.2) | .001 |
| Race and/or ethnicity, n (%) | |||
| White, non-Hispanic | 103 (19.2) | 241 (24.2) | <.001 |
| Hispanic/Latino | 362 (67.7) | 569 (57.2) | — |
| Black, non-Hispanic | 42 (7.9) | 68 (6.9) | — |
| Asian or other | 28 (5.2) | 117 (11.8) | — |
| Public insurance,b n (%) | 261 (49.3) | 738 (74.2) | <.001 |
| Prepregnancy BMI,c mean (SD) | 28.1 (9.1) | 28.2 (6.1) | .78 |
| Infant and Maternal Characteristics . | Comparison Sites . | Intervention Sites . | P . |
|---|---|---|---|
| Infant characteristics | n = 650 | n = 995 | — |
| Sex, n (%) | |||
| Male | 334 (51.4) | 469 (47.1) | .09 |
| Female | 316 (48.6) | 526 (52.9) | — |
| Race and/or ethnicity, n (%) | |||
| White, non-Hispanic | 222 (34.2) | 196 (19.7) | <.001 |
| Hispanic/Latino | 340 (52.3) | 597 (60.0) | — |
| Black, non-Hispanic | 33 (5.1) | 60 (6.0) | — |
| Asian or other | 55 (8.5) | 142 (14.3) | — |
| Public insurance, n (%) | 372 (57.2) | 718 (72.2) | <.001 |
| Infant birth wt, kg, mean (SD) | 3.2 (0.4) | 3.4 (0.4) | <.001 |
| Gestational age, wk, mean (SD) | 39.1 (1.2) | 39.6 (1.1) | <.001 |
| Maternal characteristics | n = 535 | n = 995 | — |
| Age at delivery,a y, mean (SD) | 30.3 (5.8) | 29.7 (5.8) | .04 |
| Parity,a mean (SD) | 1.9 (1.0) | 2.1 (1.2) | .001 |
| Race and/or ethnicity, n (%) | |||
| White, non-Hispanic | 103 (19.2) | 241 (24.2) | <.001 |
| Hispanic/Latino | 362 (67.7) | 569 (57.2) | — |
| Black, non-Hispanic | 42 (7.9) | 68 (6.9) | — |
| Asian or other | 28 (5.2) | 117 (11.8) | — |
| Public insurance,b n (%) | 261 (49.3) | 738 (74.2) | <.001 |
| Prepregnancy BMI,c mean (SD) | 28.1 (9.1) | 28.2 (6.1) | .78 |
—, not applicable.
N = 1528
N = 1525
N = 1504