Table 2.
Baseline Sociodemographic Variables by Study Arm and by Racea
| Variable | Total (n = 450) | Intervention (n = 225) | Control (n = 225) | White (n = 237) | Black (n = 203) | p valueb |
|---|---|---|---|---|---|---|
| Age, mean (SD), years | 30.9 (5.6) | 30.6 (5.8) | 31.2 (5.3) | 32.2 (5.1) | 29.3 (5.7) | <0.0001 |
| Race | ||||||
| White | 53% (237) | 52% (118) | 53% (119) | 100% (237) | ||
| Black | 45% (203) | 45% (101) | 45% (102) | 100% (203) | ||
| Other races | 2.2% (10) | 2.7% (6) | 1.8% (4) | |||
| Hispanic | 2.4% (11) | 1.8% (4) | 3.1% (7) | 4.2% (10) | 0.5% (1) | |
| Education | ||||||
| Less than high school | 7.1% (32) | 7.1% (16) | 7.1% (16) | 2.5% (6) | 13% (26) | <0.0001 |
| High school graduate | 14% (61) | 13% (29) | 14% (32) | 8.9% (21) | 20% (40) | |
| Some college | 19% (85) | 20% (45) | 18% (40) | 14% (32) | 26% (52) | |
| Associate degree | 5.6% (25) | 4.0% (9) | 7.1% (16) | 5.5% (13) | 5.9% (12) | |
| College degree | 33% (150) | 32% (72) | 35% (78) | 40% (94) | 26% (52) | |
| Graduate degree | 22% (97) | 24% (54) | 19% (43) | 30% (71) | 10% (21) | |
| Marital status | ||||||
| Single/never married | 17% (76) | 19% (43) | 15% (33) | 3.4% (8) | 34% (68) | <0.0001 |
| Living with partner | 11% (49) | 8.4% (19) | 13% (30) | 3.0% (7) | 20% (41) | |
| Married | 69% (309) | 70% (157) | 68% (152) | 92% (217) | 41% (83) | |
| Separated/divorced/widowed | 3.6% (16) | 2.7% (6) | 4.4% (10) | 2.1% (5) | 5.4% (11) | |
| Household income | ||||||
| Up to $15,000 | 6.2% (28) | 8.4% (19) | 4.0% (9) | 1.7% (4) | 12% (24) | <0.0001 |
| $15,001–$30,000 | 21% (94) | 21% (48) | 20% (46) | 9.3% (22) | 35% (71) | |
| $30,001–$45,000 | 14% (65) | 12% (28) | 16% (37) | 13% (30) | 17% (34) | |
| $45,001–$60,000 | 15% (66) | 13% (30) | 16% (36) | 17% (41) | 11% (22) | |
| $60,001 or more | 41% (185) | 40% (90) | 42% (95) | 56% (133) | 23% (47) | |
| Insurance type | ||||||
| Private/through employer | 73% (327) | 72% (163) | 73% (164) | 88% (209) | 54% (110) | <0.0001 |
| Medicaid | 24% (107) | 24% (54) | 24% (53) | 9.7% (23) | 40% (82) | |
| None | 3.5% (16) | 3.6% (8) | 3.6% (8) | 2.1% (5) | 5.4% (11) | |
| Planning to work at 6 months postpartum | ||||||
| Full-time | 63% (282) | 60% (136) | 65% (146) | 50% (118) | 77% (157) | <0.0001 |
| Part-time | 18% (81) | 20% (44) | 16% (37) | 23% (54) | 13% (26) | |
| Not work for pay | 18% (83) | 19% (43) | 18% (40) | 26% (61) | 9.9% (20) | |
| Current child care arrangement | ||||||
| Stays at home with mom | 73% (330) | 72% (163) | 74% (167) | 80% (189) | 65% (132) | <0.01 |
| Stays at home with relative | 8.7% (39) | 8.9% (20) | 8.4% (19) | 6.8% (16) | 11% (23) | |
| Day care | 4.9% (22) | 4.0% (9) | 5.8% (13) | 4.6% (11) | 5.4% (11) | |
| Combination of above | 12% (55) | 13% (30) | 11% (25) | 8.4% (20) | 17% (34) | |
a
Data presented are % (n), except where noted.
b
For difference by race. Chi-square test for differences in proportions; t test for differences in means.