|
Exposure variable
|
Crude RR, 95%CI
|
Adjusted RR, 95%CI
|
P-value
|
AF (95%CI)
|
PAF (95%CI)
|
|---|
|
Inter-pregnancy interval
|
|
< 18 months
|
3.14 (1.56, 6.30)
|
3.55 (1.64, 7.68)
|
0.001
|
72% (39, 87%)
|
42% (23, 50%)
|
|
18–23 months
|
0.85 (0.28, 2.63)
|
0.92 (0.30, 2.87)
|
0.89
|
–
|
–
|
|
24–60 months
|
1
|
1
| |
1
|
1
|
- RR adjusted for age, education, occupation, parity, age at first childbirth and pregnancy intention
- Keys: RR Relative risk, CI Confidence interval, AF Attributable fraction, PAF Population attributable fraction. 1 = reference category
