Table 1.
Maternal characteristics of 11,909 pregnant women screened at two sites in Ukraine 2007–2012
| Characteristic | N (%)* |
|---|---|
| Maternal Age (yrs) | |
| <21 | 1,547 (13.0%) |
| 21–34 | 9,424 (79.1%) |
| >=35 | 938 (7.9%) |
| Paternal Age (yrs) | |
| <21 | 387 (3.3%) |
| 21–34 | 9,372 (79.3%) |
| >=35 | 2,066 (17.5%) |
| Gestational Age at Time of Screening (wks) | |
| <=11 | 585 (4.9%) |
| 11.1–24 | 9,158 (77.2%) |
| >24 | 2,124 (17.9%) |
| Gravidity | |
| 1 | 4,992 (41.9%) |
| 2 | 3,562 (29.9%) |
| 3 or more | 3,354 (28.2%) |
| Parity | |
| 0 | 6,101 (51.2%) |
| 1 | 4,016 (33.7%) |
| 2 or more | 1,791 (15.0%) |
| Number of Previous Spontaneous Abortions | |
| 0 | 10,146 (85.2%) |
| 1 | 1,403 (11.8%) |
| 2 or more | 359 (3.0%) |
| Number of Previous Stillbirths | |
| 0 | 11,755 (98.7%) |
| 1 | 142 (1.2%) |
| 2 or more | 9 (0.1%) |
| Number of Previous Pregnancy Terminations | |
| 0 | 10.456 (87.8%) |
| 1 | 975 (8.2%) |
| 2 or more | 475 (4.0%) |
| Marital Status | |
| Single | 341 (2.9%) |
| Married living with spouse | 10,463 (87.9%) |
| Not married, living with spouse | 1,059 (8.9%) |
| Separated from spouse | 16 (0.1%) |
| Divorced | 25 (0.2%) |
| Widowed | 5 (0.04%) |
| Mother’s Years of Education | |
| <9 | 26 (0.2%) |
| 9–11 | 2,819 (23.7%) |
| 12–15 | 4,828 (40.5%) |
| >15 | 4,235 (35.6%) |
| Mother’s Tobacco Use in Last 3 Months (yes) | 488 (4.1%) |
| Mother’s Illicit Drug Use (any) | 4 (0.03%) |
| Mother Taking Folic Acid Supplement (yes) | 3,863 (32.4%) |
| Mother Taking Iodine Supplement (yes) | 1,206 (10.1%) |
| Ever Consumed Alcohol (yes) | 10,976 (92.7%) |
*
Missing values: paternal age: 84 missing; gestational age at screening: 42 missing; gravidity, parity, previous spontaneous abortion: 1 missing; previous termination, previous stillbirth: 3 missing; maternal education: 1 missing; illicit drug use: 2 missing; smoking status: 1 missing; folic acid or iodine supplement use: 2 missing