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Table 1 Socio-demographic characteristics amongst all girls participating in our study (n = 2989), the Netherlands 2010

From: Equity in human papilloma virus vaccination uptake?: sexual behaviour, knowledge and demographics in a cross-sectional study in (un)vaccinated girls in the Netherlands

Category Total Vaccinated Unvaccinated OR (95% CI) for being vaccinated P-value
N (%) n (%) n (%)
  2989 (100) 1938 (65) 1051 (35)   
Age     ref  
  Median (range) 17 (16–17) 17 (16–17) 17 (16–17) 0.9 (0.6–1.2) 0.45
Ethnicity (n=2988)      
  Dutch 2849 (95) 1852 (96) 997 (95) ref  
  Non–Dutch 139 (5) 86 (4) 53 (5) 0.9 (0.6–1.2) 0.45
Degree of urbanisation (n=2971)     
  Low (1–1000 inhabitants) 1514 (51) 1019 (53) 495 (47) ref  
  High (>1000 inhabitants) 1457 (49) 908 (47) 549 (53) 0.8 (0.7–0.9) 0.004
Socio economic status a (n=2962)     
  Mean (95% CI) −0.01(−0.03–0.03) −0.02 (−0.06–0.02) 0.02 (−0.03–0.07) 0.9 (0.9–1.0) 0.20
Religion (n=2898)      
  No religion 1532 (53) 1050 (56) 482 (48) ref  
  Catholics 708 (24) 511 (27) 197 (19) 1.2 (1.0–1.5)  
  Protestant Christian 642 (22) 317 (17) 325 (32) 0.4 (0.4–0.5)  
  Other 16 (1) 6 (0.3) 10 (1) 0.3 (0.1–0.7) <0.001
Education b      
  Low 221 (7) 148 (8) 73 (7) ref  
  Middle 992 (33) 631 (33) 361 (34) 0.9 (0.6–1.2)  
  High 1776 (59) 1159 (60) 617 (59) 0.9 (0.7–1.2) 0.54
Education of parents b (n=2787)     
  Low 49 (2) 28 (2) 21(2) ref  
  Middle 1162 (42) 749 (41) 413 (42) 1.4 (0.8–2.4)  
  High 1576 (57) 1031 (57) 545 (56) 1.4 (0.8–2.5) 0.45
Alcohol use (n=2983)     
  No 723 (24) 425 (22) 298 (28) ref  
  Yes 2260 (76) 1509 (78) 751 (72) 1.4 (1.2–1.7) <0.001
Smoking (n=2984)     
  No 2280 (76) 1492 (77) 788 (75) ref  
  Current smoker 476 (16) 299 (15) 177 (17) 0.9 (0.7–1.2)  
  Former smoker 228 (8) 144 (7) 84 (8) 0.9 (0.7–1.1) 0.47
Contraception (n=2910)     
  No 902 (31) 533 (28) 369 (37) ref  
  Yes 2008 (69) 1371 (72) 637 (63) 1.5 (1.3–1.8) <0.001
Type of contraception (n=2003)     
  Pill 1253 (63) 848 (62) 405 (64) ref  
  Condom 160 (8) 100 (7) 60 (9) 0.8 (0.6–1.1)  
  Pill and condom 544 (27) 385 (28) 159 (25) 1.2 (0.9–1.4)  
  Other 46 (2) 34 (2) 12 (2) 1.4 (0.7–2.7) 0.18
Ever had sex (n=2898)     
  No 1303 (45) 826 (44) 477 (48) ref  
  Yes 1595 (55) 1070 (56) 525 (52) 1.2 (1.0–1.4) 0.04
  1. aCombination of the average income per household with percentage of households with low income, without a paid job and with low average education resulting in a score ranging [−4;+4]. Note that the lower the score is, the higher the socioeconomic status is [24].
  2. bLow = no education or primary education; Middle = junior technical school, lower general or intermediate vocational secondary education; High = higher vocational or higher general secondary education, pre-university/university education.
  3. Missing values are deducted from the total number of girls.