| |
Less than and equal 18 years
| | | |
19 to 24 years
| | | | |
25 to 29 years
| | | |
30 years and above
| | |
| |
HRa
| |
95% CI
| |
HRa
| |
95% CI
| |
HRa
|
95% CI
|
HRa
|
95% CI
|
HRa
| |
95% CI
| |
|
Previous Birth Interval
| | | | | | | | | | | | | | | | |
|
First-order birth
|
2.72
|
**
|
1.69
|
4.37
|
2.34
|
**
|
1.84
|
2.96
|
2.49
|
**
|
1.35
|
4.60
|
2.86
|
*
|
1.04
|
7.86
|
|
Less than 12 months
|
4.36
|
**
|
3.54
|
5.36
|
3.32
|
**
|
2.85
|
3.88
|
2.45
|
**
|
1.59
|
3.78
|
2.16
| |
0.78
|
6.01
|
|
12 to 23 months
|
1.74
|
**
|
1.51
|
2.01
|
1.76
|
**
|
1.59
|
1.95
|
1.81
|
**
|
1.39
|
2.35
|
1.87
|
*
|
1.03
|
3.38
|
|
24 to 35 months
|
1.15
| |
0.99
|
1.32
|
1.12
|
*
|
1.01
|
1.25
|
1.21
| |
0.92
|
1.58
|
1.43
| |
0.78
|
2.62
|
|
36 to 47 months ®
| | | | | | | | | | | | | | | | |
|
48 to 59 months
|
0.90
| |
0.73
|
1.11
|
1.04
| |
0.90
|
1.21
|
1.29
| |
0.91
|
1.81
|
0.75
| |
0.29
|
1.94
|
|
60 to 85 months
|
1.08
| |
0.88
|
1.33
|
1.17
|
*
|
1.01
|
1.36
|
1.49
|
*
|
1.06
|
2.09
|
1.97
| |
0.94
|
4.16
|
|
86 months and above
|
1.91
|
**
|
1.56
|
2.34
|
1.59
|
**
|
1.33
|
1.89
|
2.20
|
**
|
1.50
|
3.22
|
1.39
| |
0.50
|
3.88
|
- HR, hazard ratio; CI, confidence interval; **p-values < 0.01 and * 0.01 < p-values < 0.05
- a Adjusted for maternal characteristics viz. level of schooling, marital status, wealth status, religion, caste and child characteristics viz. sex, type of birth, birth order, birthsize, mode of delivery, assistance during delivery, and history of sibling’s death
