Table 2 |
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|
Odds Ratios (95% confidence intervals) for factors related to VLBW in East and West Berlin* |
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|
potential risk factors for VLBW |
East Berlin |
West Berlin |
|||||||
|
|
|||||||||
|
VLBW |
VLBW |
||||||||
|
|
|
||||||||
|
no |
yes |
OR (95% CI) |
p |
no |
yes |
OR (95% CI) |
p |
||
|
166 |
82 |
175 |
84 |
||||||
|
|
|||||||||
|
previous preterm delivery |
no |
157 |
69 |
3.70 (1.47–9.33) |
0.006 |
161 |
72 |
1.92 (0.85–4.35) |
0.120 |
|
yes |
8 |
13 |
14 |
12 |
|||||
|
previous fetal loss |
no |
106 |
41 |
1.77 (1.03–3.02) |
0.038 |
112 |
39 |
2.05 (1.21–3.48) |
0.008 |
|
yes |
60 |
41 |
63 |
45 |
|||||
|
previous induced abortion |
no |
130 |
58 |
1.49 (0.82–2.73) |
0.191 |
139 |
58 |
1.73 (0.96–3.12) |
0.068 |
|
yes |
36 |
24 |
36 |
26 |
|||||
|
assisted reproduction |
no |
163 |
79 |
1.38 (0.23–8.40) |
0.730 |
164 |
77 |
1.49 (0.55–4.07) |
0.435 |
|
yes |
3 |
2 |
10 |
7 |
|||||
|
prima para |
no |
82 |
40 |
1.03 (0.60–1.74) |
0.927 |
90 |
37 |
1.35 (0.80–2.27) |
0.267 |
|
yes |
84 |
42 |
85 |
47 |
|||||
|
low net income |
no |
164 |
76 |
6.47 (1.28–32.8) |
0.024 |
171 |
78 |
3.29 (0.90–11.00) |
0.071 |
|
yes |
2 |
6 |
4 |
6 |
|||||
|
single mother status |
no |
139 |
56 |
2.39 (1.28–4.45) |
0.006 |
167 |
67 |
5.30 (2.18–12.90) |
< 0.001 |
|
yes |
27 |
26 |
8 |
17 |
|||||
|
low maternal education** |
no |
141 |
53 |
3.09 (1.66–5.74) |
< 0.001 |
130 |
46 |
2.39 (1.38–4.13) |
0.002 |
|
yes |
25 |
29 |
45 |
38 |
|||||
|
single-room apartment |
no |
151 |
67 |
2.25 (1.04–4.87) |
0.039 |
169 |
75 |
3.38 (1.16–9.84) |
0.025 |
|
yes |
15 |
15 |
6 |
9 |
|||||
|
maternal unemployment |
no |
133 |
53 |
2.21 (1.22–4.00) |
0.009 |
163 |
70 |
2.72 (1.20–6.17) |
0.017 |
|
yes |
33 |
29 |
12 |
14 |
|||||
|
migrant from developing country |
no |
154 |
71 |
1.99 (0.84–4.72) |
0.119 |
143 |
62 |
1.59 (0.86–2.95) |
0.145 |
|
yes |
12 |
11 |
32 |
22 |
|||||
|
maternal age < 20 years |
no |
157 |
75 |
1.63 (0.58–4.54) |
0.351 |
172 |
80 |
2.87 (0.63–13.10) |
0.175 |
|
yes |
9 |
7 |
3 |
4 |
|||||
|
maternal age > 35 years |
no |
155 |
73 |
1.74 (0.69–4.38) |
0.241 |
149 |
68 |
1.35 (0.68–2.68) |
0.393 |
|
yes |
11 |
9 |
26 |
16 |
|||||
|
body mass index < 20 |
no |
108 |
54 |
0.88 (0.50–1.56) |
0.654 |
131 |
64 |
0.86 (0.45–1.66) |
0.657 |
|
yes |
57 |
25 |
38 |
16 |
|||||
|
body mass index > 30 |
no |
156 |
76 |
0.68 (0.18–2.60) |
0.577 |
161 |
77 |
0.78 (0.20–3.04) |
0.725 |
|
yes |
9 |
3 |
8 |
3 |
|||||
|
smoking during pregnancy |
no |
122 |
49 |
1.87 (1.07–3.27) |
0.029 |
128 |
47 |
2.14 (1.24–3.70) |
0.006 |
|
yes |
44 |
33 |
47 |
37 |
|||||
|
paternal unemployment |
no |
145 |
61 |
2.26 (1.15–4.48) |
0.019 |
158 |
71 |
1.70 (0.78–3.69) |
0.179 |
|
yes |
21 |
20 |
17 |
13 |
|||||
|
low paternal education** |
no |
138 |
55 |
2.41 (1.27–4.58) |
0.007 |
123 |
48 |
1.69 (0.97–2.94) |
0.062 |
|
yes |
25 |
24 |
50 |
33 |
|||||
|
|
|||||||||
|
* Analysed using univariate logistic regressions separately for East and West Berlin mothers. ** school education less than 10 years |
|||||||||
|
Grimmer et al. BMC Public Health 2002 2:10 doi:10.1186/1471-2458-2-10 |
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