Bacteriuria in Pregnancy in a Danish Contemporary Cohort of Women
Table 2
Predictors of bacteriuria in the cohort of pregnant women.
Predictors
Bacteriuria (%)
No bacteriuria
Total
Odds ratio (ORc and ORa)
Confidence interval 95%
value
Maternal age (years)
<25
92 (3.37)
2,636
2,728
1.62
1.28-2.05
0.000
1.60
1.26–2.02
0.000
25-34 (reference)
310 (2.11)
14,384
14,694
1
>34
95 (2.71)
3,417
3,512
1.29
1.02-1.63
0.032
1.28
1.01–1.61
0.040
Currently smoking
No (reference)
455 (2.33)
19,049
19,504
1
Yes
42 (3.21)
1,268
1,310
0.93
0.78-1.09
0.356
Unknown
0
120
120
BMI
<19
307 (2.31)
12,967
13,274
0.98
0.69-1.40
0.920
20-24 (reference)
35 (2.26)
1,511
1,546
1
25-29
92 (2.41)
3,722
3,814
1.05
0.83-1.33
0.696
>29
56 (2.88)
1,891
1,947
1.26
0.94-1.68
0.122
Unknown
7 (1.98)
346
353
Ethnicity
Caucasian (reference)
433 (2.25)
18,826
19,259
1
Asian
19 (4.57)
397
416
2.08
1.30-3.33
0.002
2.07
1.29–3.32
0.002
Oriental
12 (3.64)
318
330
1.64
0.91-2.94
0.097
1.67
0.93–2.99
0.087
Afro-Caribbean
17 (4.39)
370
387
2.00
1.22-3.28
0.006
1.87
1.13–3.07
0.014
Mixed ethnicity
10 (5.26)
180
190
2.42
1.27-4.60
0.007
2.34
1.23–4.46
0.010
Unknown
6 (1.70)
346
352
0.75
0.33-1.70
0.496
0.72
0.32–1.62
0.422
Parity
Nullipara (reference)
255 (2.32)
10,735
10,990
1
Multipara
202 (2.48)
7,945
8,147
1.07
0.89-1.29
0.476
Unknown
40 (2.23)
1,757
1,797
0.96
0.68-1.34
0.805
Results from the multivariable analysis are set in italic. %: the percentage of women with bacteriuria in relation to the total number of women with the given predictor. Asian: south Asian, descendants from countries around Pakistan, Bangladesh, and India. Oriental: descendants from China, Japan, and Korea. Mixed: different ethnicity of the mother and father of the pregnant woman.
