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

Table 5 Multivariable analysis amongst all girls participating in our study (n = 2989), the Netherlands 2010

Risk factor	Univariable^a	Multivariable^b,c	P-value
	OR (95% CI)	aOR (95% CI)
Degree of urbanisation
Low (1–1000 inhabitants)	ref	ref
High (>1000 inhabitants)	0.8 (0.7–0.9)	0.8 (0.7–1.0)	0.02
Religion
No religion	ref	ref
Catholics	1.2 (1.0–1.5)	1.2 (0.9–1.4)	0.15
Protestant Christian	0.4 (0.4–0.5)	0.5 (0.4–0.6)	<0.001
Other	0.3 (0.1–0.7)	0.3 (0.1–0.9)	0.03
Alcohol use
No	ref	ref
Yes	1.4 (1.2–1.7)	1.3 (1.0–1.6)	0.01
Contraception
No	ref	ref
Yes	1.5 (1.3–1.8)	1.5 (1.2–1.9)	<0.001
Ever had sex
No	ref	ref
Yes	1.2 (1.0–1.4)	0.8 (0.6–1.0)	0.04
Awareness of CC screening program
No	ref	ref
Yes	0.7 (0.6–0.8)	0.7 (0.6–0.8)	<0.001
Participation of mother to CC screening program
No	ref	ref
Yes	1.3 (1.1–1.6)	1.6 (1.2–2.0)	<0.001
Don’t know	1.3 (1.0–1.5)	1.3 (1.0–1.6)	0.03
HPV vaccination protects against all HPV types
No	ref	ref
Yes	2.2 (1.7–2.9)	2.4 (1.8–3.2)	<0.001
Don’t know	1.4 (1.2–1.7)	1.5 (1.2–1.8)	<0.001
Girls will use less condoms once vaccinated
No	ref	ref
Yes	0.5 (0.4–0.6)	0.5 (0.4–0.6)	<0.001
Don’t know	0.7 (0.6–0.9)	0.7 (0.5–0.8)	0.002
Condom use is not needed anymore once vaccinated
No	ref	ref
Yes	1.1 (0.5–2.9)	1.5 (0.5–5.6)	0.5
Don’t know	0.4 (0.3–0.6)	0.4 (0.2–0.6)	<0.001

CC = cervical cancer.
^a196 cases missing.
^bOnly variables with a P–value less than 0.1 in the univariable analysis were entered.
^cnot significant in multivariable analysis, (P > 0.05) (not presented in Table): HPV can be transmitted via a spoon, HPV can be transmitted when using condoms.

ISSN: 1471-2458