Table 3.
Maternal reproductive history and interaction with midwifery services for the cohort (n = 1111) and comparison group (n = 23,414)
| Variable | Level | Cohort n (%) | Comparison n (%) | p-value |
|---|---|---|---|---|
| Gravida | 1 | 261 (25.5) | 9237 (43.3) | < 0.001 |
| 2 | 206 (20.1) | 5665 (26.5) | ||
| 3 | 172 (16.8) | 3147 (14.7) | ||
| > = 4 | 385 (37.6) | 3307 (15.5) | ||
| Parity | 1 | 309 (30.8) | 10,747 (51.1) | < 0.001 |
| 2 | 232 (23.1) | 6035 (28.7) | ||
| > = 3 | 463 (46.1) | 4257 (20.2) | ||
| Gestational age at initial assessment | 1st trimester | 659 (63.5) | 18,506 (84.4) | < 0.001 |
| 2nd trimester | 311 (30.0) | 2757 (12.6) | ||
| 3rd trimester | 68 (6.6) | 654 (3.0) | ||
| Gestational age at initial assessment (mean (SD)) | 13.3 (7.5) | 10.5 (5.5) | < 0.001 |
Missing data (n): Gravida (cohort: 87; comparison 2058); Parity (cohort: 107; comparison: 2357); Gestational age at initial assessment (cohort: 73; comparison: 1497)
Chi-squared analyses were used to compare differences between the cohort and matched comparison groups for all variables in this table