Table 2.
Participant characteristics by reported number of domains of racial discrimination. Data from 552 mother-infant pairs of color in Project Viva, a pre-birth cohort study in Massachusetts, enrolled 1999–2002
| Number of domains | |||
|---|---|---|---|
| 0 | 1 to 2 | ≥3 | |
| n=168 | n=194 | n=190 | |
| N (%) or mean (SD) | |||
| Mother | |||
| Race/ethnicity, % | |||
| Black | 61 (37) | 111 (57) | 140 (73) |
| Hispanic | 51 (31) | 43 (22) | 29 (15) |
| Asian* | 56 (32) | 40 (21) | 21 (11) |
| Born in the US, % | 67 (40) | 120 (62) | 126 (67) |
| Age at enrollment, years | 30.4 (5.8) | 29.2 (5.9) | 30.6 (6.1) |
| Pre-pregnancy BMI, kg/m2 | 24.5 (5.7) | 26.4 (5.9) | 27.2 (6.5) |
| College graduate, % | 86 (51) | 83 (43) | 98 (52) |
| Smoking status, % | |||
| Never | 130 (78) | 154 (80) | 138 (73) |
| Former | 14 (8) | 20 (10) | 21 (11) |
| During pregnancy | 24 (14) | 20 (10) | 31 (16) |
| Household income >$70,000/year | 72 (43) | 66 (34) | 77 (41) |
| Mother’s sleep 6 m-1 y, h/d | 7.1 (1.3) | 7.0 (1.6) | 6.9 (1.4) |
| Child | |||
| Female, % | 80 (48) | 87 (45) | 97 (51) |
| Infant sleep 6 m-2 y, h/d | 11.8 (1.3) | 11.6 (1.3) | 11.5 (1.3) |
*
We included N=8 participants with “other” race/ethnicity in the Asian category.