Maternal, newborn and gestational characteristics among 420 pregnant women from Boston, MA, mean (SD), number of subjects (n) or percentage of group
| . | Hispanic (n = 109) . | African-American (n = 56) . | Caucasian (n = 255) . | |||
|---|---|---|---|---|---|---|
| Maternal | ||||||
| Age (years) | 28 (5.4) | 30 (5.6) | 30 (5.4) | |||
| Education (n) | ||||||
| <13 years | 77 | 16 | 108 | |||
| 13+ years | 32 | 40 | 147 | |||
| Income ($) | 27,827 (5,250) | 30,587 (6,385) | 38,847 (12,737) | |||
| Parity (%) | ||||||
| 0 | 29 | 36 | 42 | |||
| 1 | 46 | 41 | 45 | |||
| 2+ | 25 | 23 | 13 | |||
| Marital Status (%) | ||||||
| Single | 61 | 50 | 30 | |||
| Married | 37 | 48 | 68 | |||
| Divorced/separated/unknown | 3 | 2 | 2 | |||
| Weight (lbs) | 147 (31) | 158 (37) | 148 (31) | |||
| Height (in) | 61.1 (4.1) | 64.7 (2.7) | 64.7 (2.7) | |||
| Body mass index (%) | ||||||
| 18-24 | 35 | 45 | 52 | |||
| 25-30 | 33 | 34 | 34 | |||
| 30-35 | 11 | 9 | 5 | |||
| >35 | 11 | 9 | 4 | |||
| Missing | 10 | 4 | 5 | |||
| Smoking (%) | ||||||
| Never | 83 | 77 | 53 | |||
| Current | 4 | 7 | 12 | |||
| Past | 13 | 16 | 34 | |||
| Alcohol (%) | ||||||
| Never | 78 | 63 | 41 | |||
| Current | 3 | 0 | 4 | |||
| Past | 19 | 38 | 56 | |||
| Newborn | ||||||
| Birth weight (g) | 3,419 (524) | 3,279 (511) | 3,479 (515) | |||
| Gender (%) | ||||||
| Female | 50 | 45 | 47 | |||
| Male | 50 | 50 | 50 | |||
| Missing | 5 | 3 | ||||
| Gestational age at delivery (weeks) | 39.5 (1.5) | 39.4 (1.6) | 39.6 (1.6) | |||
| Gestational age at blood draw (weeks) | 11.2 (1.8) | 11.7 (1.4) | 11.1 (1.5) | |||
| . | Hispanic (n = 109) . | African-American (n = 56) . | Caucasian (n = 255) . | |||
|---|---|---|---|---|---|---|
| Maternal | ||||||
| Age (years) | 28 (5.4) | 30 (5.6) | 30 (5.4) | |||
| Education (n) | ||||||
| <13 years | 77 | 16 | 108 | |||
| 13+ years | 32 | 40 | 147 | |||
| Income ($) | 27,827 (5,250) | 30,587 (6,385) | 38,847 (12,737) | |||
| Parity (%) | ||||||
| 0 | 29 | 36 | 42 | |||
| 1 | 46 | 41 | 45 | |||
| 2+ | 25 | 23 | 13 | |||
| Marital Status (%) | ||||||
| Single | 61 | 50 | 30 | |||
| Married | 37 | 48 | 68 | |||
| Divorced/separated/unknown | 3 | 2 | 2 | |||
| Weight (lbs) | 147 (31) | 158 (37) | 148 (31) | |||
| Height (in) | 61.1 (4.1) | 64.7 (2.7) | 64.7 (2.7) | |||
| Body mass index (%) | ||||||
| 18-24 | 35 | 45 | 52 | |||
| 25-30 | 33 | 34 | 34 | |||
| 30-35 | 11 | 9 | 5 | |||
| >35 | 11 | 9 | 4 | |||
| Missing | 10 | 4 | 5 | |||
| Smoking (%) | ||||||
| Never | 83 | 77 | 53 | |||
| Current | 4 | 7 | 12 | |||
| Past | 13 | 16 | 34 | |||
| Alcohol (%) | ||||||
| Never | 78 | 63 | 41 | |||
| Current | 3 | 0 | 4 | |||
| Past | 19 | 38 | 56 | |||
| Newborn | ||||||
| Birth weight (g) | 3,419 (524) | 3,279 (511) | 3,479 (515) | |||
| Gender (%) | ||||||
| Female | 50 | 45 | 47 | |||
| Male | 50 | 50 | 50 | |||
| Missing | 5 | 3 | ||||
| Gestational age at delivery (weeks) | 39.5 (1.5) | 39.4 (1.6) | 39.6 (1.6) | |||
| Gestational age at blood draw (weeks) | 11.2 (1.8) | 11.7 (1.4) | 11.1 (1.5) | |||