Table 3.

ORs for HPV positivity and corresponding 95% CIs according to selected risk factors among 987 women, Vanuatu 2009–2010

Risk factorsNumber of womenHPV-positive (%)ORb (95% CI)ORc (95% CI)
Region
 Efate, Port-Vila747229 (30.7)1 (—)1 (—)
 Efate, rural areas12928 (21.7)0.55 (0.35–0.88)0.51 (0.30–0.84)
 Espiritu Santo11123 (20.7)0.69 (0.42–1.13)0.79 (0.46–1.33)
Age group, y
 18–24249104 (41.8)1 (—)1 (—)
 25–2923570 (29.8)0.59 (0.41–0.86)0.63 (0.42–0.93)
 30–3419846 (23.2)0.42 (0.28–0.64)0.50 (0.32–0.79)
 35–3912131 (25.6)0.48 (0.30–0.78)0.57 (0.34–0.96)
 40–447312 (16.4)0.27 (0.14–0.54)0.31 (0.15–0.64)
 45+11117 (15.3)0.25 (0.14–0.45)0.33 (0.18–0.62)
χ2 for trendP < 0.001P < 0.001
Smoking statusa
 Nonsmoker688170 (24.7)1 (—)1 (—)
 Ex-smoker21075 (35.7)1.32 (0.93–1.87)1.30 (0.90–1.87)
 Current7834 (43.6)1.77 (1.08–2.91)1.47 (0.88–2.47)
Marital statusa
 Married692170 (24.6)1 (—)1 (—)
 Separated/divorced/widowed4210 (23.8)0.97 (0.46–2.03)1.40 (0.63–3.13)
 Single24899 (39.9)1.46 (1.04–2.04)1.53 (1.07–2.18)
Age at first sexual intercourse,a y
 12–17325107 (32.9)1 (—)1 (—)
 18–19383104 (27.2)0.81 (0.58–1.13)0.93 (0.65–1.31)
 20–3226367 (25.5)0.82 (0.57—1.19)0.94 (0.63–1.41)
χ2 for trendP = 0.258P = 0.744
Lifetime sexual partnersa
 128272 (25.5)1 (—)1 (—)
 220255 (27.2)1.12 (0.74–1.71)1.07 (0.70–1.65)
 320359 (29.1)1.26 (0.83–1.91)1.10 (0.72–1.70)
 410329 (28.2)1.22 (0.72–2.04)1.05 (0.61–1.80)
 5–3018564 (34.6)1.67 (1.10–2.54)1.36 (0.88–2.12)
χ2 for trendP = 0.018P = 0.213
Number of birthsa
 121377 (36.2)1 (—)1 (—)
 220450 (24.5)0.66 (0.43–1.03)0.69 (0.44–1.09)
 316041 (25.6)0.82 (0.49–1.36)0.87 (0.51–1.46)
 4–1027853 (19.1)0.67 (0.40–1.13)0.78 (0.46–1.34)
 Nulliparous12557 (45.6)1.37 (0.87–2.17)1.32 (0.82–2.13)
χ2 for trenddP = 0.191P = 0.420
Use of hormonal contraceptivea
 Never29390 (30.7)1 (—)1 (—)
 Past20837 (17.8)0.60 (0.38–0.93)0.59 (0.37–0.94)
 Current465148 (31.8)1.10 (0.79–1.53)1.18 (0.83–1.67)
  • aSome figures do not add up to the total because of a few missing values.

  • bAdjusted for age.

  • cAdjusted for age, region, smoking status, marital status, lifetime sexual partners, as appropriate.

  • dAmong parous women only.