Research Article
Predictors of Size for Gestational Age in St. Louis City and County
Table 1
Prevalence of factors by small for gestational age, all live births/fetal deaths, St. Louis City and County, 2000–2009 (
= 142,017).
| Risk/preventive factors | SGA-no | SGA-yes | Adjusted OR (95% CI) | ( = 127,157) | ( = 14,860) | % | % |
| Gestational age (weeks) | | | | ≤28 | 1289 (1.01%) | 114 (0.77%) | 0.51 (0.42, 0.63) | 29–32 | 2536 (1.99%) | 374 (2.52%) | 0.93 (0.83, 1.04) | 33–36 | 15364 (12.08%) | 2228 (14.99%) | 1.07 (1.02, 1.13) | ≥37 | 107968 (84.91%) | 12144 (81.72%) | 1.00 | Maternal age | | | | ≤19 | 12801 (10.07%) | 2279 (15.34%) | 0.97 (0.91, 1.03) | 20–34 | 94866 (74.61%) | 10737 (72.25%) | 1.00 | ≥35 | 19490 (15.33%) | 1844 (12.41%) | 1.09 (1.03, 1.16) | Maternal education (years) | | | | <12 | 17444 (13.72%) | 3061 (20.60%) | 1.05 (0.99, 1.11) | ≥12 | 109713 (86.28%) | 11799 (79.40%) | 1.00 | Maternal race | | | | White | 79123 (62.22%) | 6427 (43.25%) | 1.00 | Black | 48034 (37.78%) | 8433 (56.75%) | 1.96 (1.88, 2.04) | Medicaid (yes) | 47405 (37.28%) | 7653 (51.50%) | 1.13 (1.08, 1.18) | Medicaid (no) | 79752 (62.72%) | 7207 (48.50%) | 1.00 | Inadequate prenatal care (yes) | 11958 (9.40%) | 2279 (15.34%) | 1.16 (1.10, 1.23) | Inadequate prenatal care (no) | 115199 (90.60%) | 12581 (84.66%) | 1.00 | Inadequate weight gain | 15271 (12.01%) | 3180 (21.40%) | 1.99 (1.91, 2.08) | Adequate weight gain | 111886 (87.99%) | 11680 (78.60%) | 1.00 | Parity | | | | Nulliparous | 50954 (40.07%) | 6871 (46.24%) | 1.39 (1.33, 1.45) | Primiparous | 38990 (30.66%) | 3804 (25.60%) | 1.00 | Multiparous | 37213 (29.27%) | 4185 (28.16%) | 0.94 (0.90, 0.99) | Smoking (yes) | 13023 (10.24%) | 2742 (18.45%) | 1.92 (1.83, 2.02) | Smoking (no) | 114134 (89.76%) | 12118 (81.55%) | 1.00 | Diabetes (yes) | 4874 (3.83%) | 449 (3.02%) | 0.69 (0.62, 0.76) | Diabetes (no) | 122283 (96.17%) | 14411 (96.98%) | 1.00 | Chronic hypertension (yes) | 1946 (1.53%) | 373 (2.51%) | 1.38 (1.33, 1.45) | Chronic hypertension (no) | 125211 (98.47%) | 14487 (97.49%) | 1.00 | Preeclampsia (yes) | 6197 (4.87%) | 1715 (11.54%) | 2.43 (2.29, 2.58) | Preeclampsia (no) | 120960 (95.13%) | 13145 (88.46) | 1.00 |
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