Table 3 Mortality according to parity after controlling for age, background factors (BMI, smoking and socioeconomic position), age at menarche and age at first birth in 1075 parous women of the Northern Finland 1966 Birth Cohort.
| Cause of death | n | Parity | Adjusted for age | Adjusted for age and background factors | Adjusted for age, background factors and age at menarche | Adjusted for age, background factors, age at menarche and age at first birth |
|---|---|---|---|---|---|---|
| Total mortality | 1075 | 1 | 1.4 (1.2 to 2.0) | 1.4 (1.1 to 1.9) | 1.5 (1.1 to 1.9) | 1.4 (1.0 to 1.9) |
| 2–4 | 1.0 | |||||
| 5–9 | 1.3 (1.1 to 1.5) | 1.3 (1.0 to 1.3) | 1.1 (1.0 to 1.3) | 1.0 (0.9 to 1.2) | ||
| ⩾10 | 1.5 (1.2 to 1.9) | 1.3 (1.0 to 1.7) | 1.2 (1.0 to 1.6) | 1.2 (0.9 to 1.6) | ||
| Cardiovascular disease | 210 | 1 | 0.6 (0.2 to 1.8) | 0.6 (0.2 to 1.8) | 0.6 (0.2 to 1.8) | 0.6 (0.2 to 1.9) |
| 2–4 | 1.0 | |||||
| 5–9 | 1.6 (1.2 to 2.2) | 1.4 (1.0 to 1.9) | 1.3 (0.9 to 1.8) | 1.1 (0.8 to 1.6) | ||
| ⩾10 | 2.1 (1.3 to 3.3) | 1.6 (1.0 to 2.6) | 1.4 (0.9 to 2.4) | 1.4 (0.8 to 2.4) | ||
| Cerebral infarction | 81 | 1 | 2.0 (0.8 to 4.7) | 1.9 (0.8 to 4.5) | 1.9 (0.8 to 4.5) | 1.8 (0.7 to 4.5) |
| 2–4 | 1.0 | |||||
| 5–9 | 1.8 (1.1 to 3.1) | 1.8 (1.0 to 3.1) | 1.7 (1.0 to 3.0) | 1.5 (0.8 to 2.9) | ||
| ⩾10 | 1.4 (0.5 to 3.5) | 1.2 (0.4 to 3.4) | 1.3 (0.5 to 3.6) | 1.4 (0.5 to 4.1) | ||
| Haemorrhagic stroke | 31 | 1 | 1.8 (0.4 to 7.9) | 1.8 (0.4 to 8.3) | 1.9 (0.4 to 8.4) | 1.7 (0.4 to 7.7) |
| 2–4 | 1.0 | |||||
| 5–9 | 2.2 (0.9 to 5.1) | 1.9 (0.7 to 4.7) | 1.8 (0.7 to 4.6) | 1.5 (0.5 to 4.4) | ||
| ⩾10 | 3.8 (1.2 to 12.5) | 3.4 (1.0 to 12.1) | 3.8 (1.1 to 13.5) | 4.1 (1.1 to 15.6) | ||
| Total cancer | 419 | 1 | 1.2 (0.8 to 1.9) | 1.1 (0.7 to 1.7) | 1.6 (0.9 to 2.8) | 1.0 (0.6 to 1.7) |
| 2–4 | 1.0 | |||||
| 5–9 | 1.1 (0.9 to 1.4) | 1.1 (0.8 to 1.4) | 1.0 (0.8 to 1.3) | 1.1 (0.8 to 1.4) | ||
| ⩾10 | 1.3 (0.9 to 1.9) | 1.2 (0.8 to 1.8) | 1.1 (0.7 to 1.7) | 1.2 (0.8 to 1.9) | ||
| Breast cancer | 83 | 1 | 2.0 (1.0 to 4.3) | 1.5 (0.7 to 3.6) | 1.6 (0.7 to 3.7) | 1.5 (0.6 to 3.6) |
| 2–4 | 1.0 | |||||
| 5–9 | 0.8 (0.5 to 1.4) | 0.9 (0.5 to 1.6) | 0.9 (0.5 to 1.6) | 1.1 (0.6 to 2.0) | ||
| ⩾10 | 0.8 (0.3 to 2.2) | 0.9 (0.3 to 2.6) | 0.9 (0.3 to 2.7) | 0.8 (0.2 to 2.8) | ||
| Cancer of digestive digestive organs* | 130 | 1 | 0.9 (0.4 to 2.3) | 1.3 (0.5 to 3.2) | 0.9 (0.4 to 2.4) | 0.8 (0.3 to 2.1) |
| 2–4 | 1 | |||||
| 5–9 | 1.1 (0.7 to 1.7) | 1.0 (0.6 to 1.5) | 0.9 (0.6 to 1.4) | 0.9 (0.5 to 1.5) | ||
| ⩾10 | 2.1 (1.2 to 3.8) | 1.6 (0.8 to 3.4) | 1.5 (0.8 to 3.0) | 2.0 (1.0 to 3.9) | ||
| Accidental deaths† | 133 | 1 | 2.5 (1.5 to 4.1) | 2.4 (1.4 to 4.0) | 2.4 (1.5 to 4.1) | 2.6 (1.6 to 4.4) |
| 2–4 | 1.0 | |||||
| 5–9 | 1.0 (0.6 to 1.5) | 0.9 (0.5 to 1.4) | 0.9 (0.6 to 1.5) | 0.8 (0.5 to 1.4) | ||
| ⩾10 | 0.4 (0.1 to 1.4) | 0.4 (0.4 to 1.5) | 0.4 (0.1 to 1.5) | 0.3 (0.1 to 1.5) |
BMI, body moss index.
*Including oesophageal, gastric, colorectal, liver, gall bladder and pancreatic cancers.
†Including suicides n = 47.