Table 3.
Neighborhood-specific individual-level characteristics (Alamance, Chatham, Durham, Orange Counties, NC; 2001–2005).
| Census tract | Block group | Secondary polygon | Tertiary neighborhood | |
|---|---|---|---|---|
| Number of women per context | 23,533 | 23,304 | 21,065 | 17,860 |
| Maternal age in years; mean (SD) | 28.67 (6.10) | 28.50 (6.06) | 28.60 (6.08) | 28.88 (6.02) |
| Maternal race | ||||
| Non-Hispanic White | 15,371 (65.32) | 14,531 (62.35) | 13,215 (62.73) | 11,209 (62.76) |
| Non-Hispanic African Americans | 8,162 (34.68) | 8,773 (37.65) | 7,850 (37.27) | 6651 (37.24) |
| Maternal education (<HS, HS, >HS) | ||||
| <HS | 3,063 (13.04) | 3,083 (13.26) | 2,663 (12.67) | 2135 (11.98) |
| =HS | 4,588 (19.54) | 4,630 (19.91) | 4,057 (19.30) | 3136 (17.60) |
| >HS | 15,830 (67.42) | 15,540 (66.83) | 14,300 (68.03) | 12,552 (70.43) |
| Married=yes (married, not married) | 16,234 (68.99) | 15,888 (68.18) | 14,497 (68.82) | 12,497 (69.97) |
| Parity (0, 1–2, 3+) | ||||
| 0 | 8,285 (35.29) | 8,258 (35.52) | 7,525 (35.81) | 6420 (36.04) |
| 1–2 | 11,215 (47.77) | 11,081 (47.67) | 9,989 (47.54) | 8498 (47.70) |
| 3+ | 3,976 (16.94) | 3,907 (16.81) | 3,497 (16.64) | 2897 (16.26) |
| Smoker=yes (yes, no) | 2,148 (9.16) | 2,076 (8.94) | 1,759 (8.38) | 1356 (7.62) |
| Pregnancy weight gain (<15, 15–39, 40+) | ||||
| <15 lbs | 1,710 (7.43) | 1,753 (7.69) | 1,556 (7.56) | 1245 (7.14) |
| 15–39 lbs | 15,152 (65.82) | 14,976 (65.68) | 13,539 (65.75) | 11,643 (66.73) |
| 40+ lbs | 6,160 (26.76) | 6,072 (26.63) | 5,496 (26.69) | 4561 (26.14) |
| PIH/Eclampsia=yes (yes, no) | 1,226 (5.21) | 1,204 (5.17) | 1,091 (5.18) | 934 (5.23) |
| Term low birth weight=yes (yes, no) | 497 (2.33) | 512 (2.43) | 457 (2.40) | 379 (2.35) |
| Preterm birth=yes (yes, no) | 2,182 (9.28) | 2,202 (9.45) | 2,000 (9.50) | 1702 (9.53) |
*
All missing data comprise less than 10% of each variable.