Table 1

Characteristics and median knowledge scores of pregnant women and partners
Subgroups Numbera (%) Median knowledge score* P-valueb Differences in knowledge scores per subgroup
Chlamydia trachomatis (n = 627) .15
Positive negative 14 (2.2) 8.0
613 (97.8) 9.0
Participants (n = 665) <0.001
Pregnant woman partner 383 (57.6) 9.0
282 (42.4) 9.0
Age group (n = 665) .02
≤ 20 years 30 (4.5) 8.5
21-25 years 147 (22.1) 9.0
26-30 years 383 (57.6) 9.0
≥ 31 years (partners only) 105 (15.8) 9.0
Ethnic origin (n = 659) <0.001
Dutch 492 (74.7) 9.0
Other western origins 55 (8.3) 9.0
Non-western origins 112 (17.0) 8.0
Urbanisation (n = 655) .83
<2499 addresses/km2 529 (80.8) 9.0
>2500 addresses/km2 126 (19.2) 9.0
Educational level (n = 662) <0.001
Low 119 (18.0) 8.0
Intermediate 255 (38.5) 9.0
High 288 (43.5) 9.0
Marital status (n = 381) .62
Single 10 (2.6) 9.5
Partner, but not living together 35 (9.2) 9.0
Married or living together 336 (88.2) 9.5
Pregnancy planned (n = 383) .21
No 100 (26.1) 9.0
Yes 283 (73.9) 10.0
First pregnancy (n = 376) .09
Yes 217 (57.7) 10.0
No 159 (42.3) 9.0
History of STI (n = 654) <0.001
No 225 (34.4) 9.0
Yes 87 (13.3) 10.0
Never been tested 342 (52.3) 9.0

*Minimum possible score = 0; Maximum possible score = 12.

aDenominator varies due to missing variables (between 0 and 11 missing per item) or data is only available for pregnant women.

bMann–Whitney U test and Kruskal-Wallis test.

Pereboom et al.

Pereboom et al. BMC Public Health 2014 14:704   doi:10.1186/1471-2458-14-704

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