| |
Number of infant deaths |
Infant mortality rate |
Odds ratio [95%CI] |
Odds ratio [95%CI] |
| |
Males |
Females |
Total |
Males |
Females |
Total |
Males vs.Females |
|
| Maternal age (MA), yr. |
| ＜25 |
5 |
9 |
14 |
28.7 |
52.6 |
40.6 |
0.53 [0.17-1.62] |
1.96 [1.04-3.69]* |
| 25–29 |
33 |
32 |
65 |
32.0 |
30.4 |
31.2 |
1.05 [0.64-1.73] |
1.49 [0.98-2.27] |
| 30–34 |
42 |
38 |
80 |
24.6 |
22.3 |
23.5 |
1.11 [0.71-1.72] |
1.11 [0.74-1.67] |
| 35–39 |
17 |
17 |
34 |
21.0 |
21.3 |
21.1 |
0.99 [0.50-1.95] |
1.00 Reference |
| ≥40 |
4 |
3 |
7 |
65.6 |
56.6 |
61.4 |
1.17 [0.25-5.48] |
3.03 [1.31-6.99]* |
| Gestation, weeks |
| <24 |
20 |
29 |
49 |
689.7 |
743.6 |
720.6 |
0.77 [0.26-2.22] |
521.46 [250.43-1085.83]* |
| 24–25 |
22 |
21 |
43 |
386.0 |
308.8 |
344.0 |
1.41 [0.67-2.95] |
106.03 [56.62 -198.56]* |
| 26–27 |
25 |
6 |
31 |
136.6 |
38.0 |
90.9 |
4.01 [1.60-10.04]* |
20.22 [10.80-37.87]* |
| 28–29 |
14 |
16 |
30 |
49.8 |
61.3 |
55.4 |
0.80 [0.38-1.68] |
11.85 [6.33-22.18]* |
| 30–31 |
8 |
6 |
14 |
14.0 |
11.1 |
12.6 |
1.26 [0.43-3.66] |
2.58 [1.24-5.35]* |
| 32–33 |
5 |
14 |
19 |
4.3 |
12.2 |
8.2 |
0.35 [0.12-0.96]* |
1.67 [0.84-3.29] |
| ≥34 |
8 |
7 |
15 |
5.4 |
4.5 |
4.9 |
1.21 [0.44-3.33] |
1.00 Reference |
| Birth order |
| 1st-born |
39 |
29 |
68 |
30.4 |
23.0 |
26.7 |
1.69 [1.002-2.84]* |
1.24 [0.87-1.78] |
| 2nd-born |
26 |
29 |
55 |
19.5 |
24.0 |
21.6 |
0.84 [0.49-1.44] |
1.00 Reference |
| 3rd-born |
37 |
41 |
78 |
31.8 |
31.3 |
31.5 |
1.02 [0.65-1.60] |
1.47 [1.04-2.09] |
CI: Confidence Interval; *significant at the 5% level |
