Maternal mortality, ages 40–69, for mothers with one loss by total number of children surviving the perinatal period compared with mothers with no perinatal losses by number of births
| Mothers with no loss | Mothers with one loss | ||||
|---|---|---|---|---|---|
| Surviving children by education | N | Deaths (per 1000) | N | Deaths (per 1000) | HR (95% CI)*† |
| Cardiovascular mortality | |||||
| Low education | |||||
| 1 | 56 198 | 417 (7) | 1668 | 18 (11) | 1.2 (0.73 to 1.9) |
| 2 | 144 821 | 593 (4) | 4137 | 34 (8) | 1.7 (1.2 to 2.4) |
| ≥3 | 94 916 | 385 (4) | 3214 | 23 (7) | 1.6 (1.1 to 2.4) |
| High education | |||||
| 1 | 58 382 | 114 (2) | 1062 | 2 (2) | 0.59 (0.15 to 2.4) |
| 2 | 167 873 | 182 (1) | 3352 | 7 (2) | 1.4 (0.65 to 2.9) |
| ≥3 | 104 508 | 89 (0.9) | 2748 | 1 (0.4) | 0.36 (0.05 to 2.6) |
| Non-cardiovascular mortality | |||||
| Low education | |||||
| 1 | 57 263 | 2547 (44) | 1715 | 112 (65) | 1.2 (1.0 to 1.5) |
| 2 | 146 791 | 4534 (31) | 4211 | 182 (43) | 1.2 (1.1 to 1.4) |
| ≥3 | 96 035 | 2624 (27) | 3255 | 106 (33) | 1.1 (0.90 to 1.3) |
| High education | |||||
| 1 | 58 823 | 966 (16) | 1073 | 23 (21) | 0.89 (0.59 to 1.4) |
| 2 | 168 838 | 2112 (13) | 3382 | 67 (20) | 1.2 (0.94 to 1.5) |
| ≥3 | 105 042 | 1158 (11) | 2765 | 35 (13) | 0.99 (0.71 to 1.4) |
Analyses stratified on low (<11 years) and high (≥11 years) education level.
*HR with 95% CI, adjusted for the mothers' birth year and age at first birth.
†Data are defined: Reference; mothers without losses, strata specific.