Table 1.
Demographic and psychiatric characteristics among veterans with active post-traumatic stress disorder (PTSD) whose pregnancy care was reimbursed by the Veterans Health Administration, 2005-2015.
| Variable | Whole cohort N=3,242 N (%)a |
Term birth ≥37 weeks N=2,993 |
Spontaneous preterm birth <37 weeks N=249 |
P- valueb |
|---|---|---|---|---|
| Maternal age category | 0.02 | |||
| 19-24 | 361 (11.1) | 332 (11.1) | 29 (11.7) | |
| 25-29 | 1,257 (38.8) | 1,182 (39.5) | 75 (30.1) | |
| 30-34 | 1,071 (33.0) | 976 (32.6) | 95 (38.2) | |
| 35-39 | 433 (13.4) | 398 (13.3) | 35 (14.1) | |
| 40-46 | 120 (3.7) | 105 (3.5) | 15 (6.0) | |
| Race/Ethnicityc | 0.52 | |||
| Non-Hispanic White | 2,091 (64.5) | 1,938 (64.8) | 152 (61.5) | |
| Non-Hispanic Black | 685 (21.1) | 623 (20.8) | 62 (24.9) | |
| Hispanic | 357 (11.0) | 331 (11.1) | 26 (10.4) | |
| Other | 109 (3.4) | 101 (3.4) | <10d | |
| Married | 1,392 (43.2) | 1,289 (43.4) | 103 (41.5) | 0.58 |
| Chronic hypertension | 71 (2.2) | 61 (2.0) | 10 (4.0) | 0.07 |
| Pre-gestational diabetes | 78 (2.4) | 70 (2.3) | <10 | 0.39 |
| Active concurrent mental health diagnosise | 2,378 (73.4) | 2,193 (73.3) | 185 (74.3) | 0.63 |
| Depression | 1,992 (61.4) | 1,841 (61.5) | 151 (60.6) | 0.79 |
| Anxiety | 1,028 (31.7) | 939 (31.4) | 89 (35.7) | 0.16 |
| Bipolar disorder or schizophrenia (severe mental illness, SMI) | 309 (9.5) | 276 (9.2) | 33 (13.3) | 0.04 |
| Any substance use disorderf | 444 (13.7) | 401 (13.4) | 43 (17.3) | 0.09 |
| Alcohol use disorder | 287 (8.9) | 262 (8.8) | 25 (10.0) | 0.49 |
| Drug use disorder | 287 (8.9) | 258 (8.6) | 29 (11.7) | 0.11 |
| Any claim for intimate partner violence in 12 months prior to childbirth | 173 (5.3) | 162 (5.4) | 11 (4.4) | 0.50 |
Listed as column N (%) or median (Q1,Q3) unless otherwise specified.
Wilcoxon rank sum for continuous variables, Fisher or chi square for categorical. P-values ≥0.01 listed to one-hundredth decimal place, p-values <0.01 listed to one-thousandth decimal place.
Other includes American Indian, Asian, Pacific Islander, or mixed. Race/ethnicity categories presented in order of descending cell frequencies.
Values <10 not shown due to data use agreement.
Documented within 12 months prior to childbirth. Some patients had multiple concurrent mental health diagnoses, so numbers will not add up to 100%.
Any substance use disorder defined using ICD-9 CM codes for alcohol or drug use disorder within 12 months prior to childbirth. See text for details.