TABLE 3

Comparisons of the Proportions of Women Who Are Positive for 9-Valent HPV Types, 4-Valent HPV Types, and the 5 HPV Types Included in the 9-Valent But Not the 4-Valent Vaccine Across the 4 Study Waves by Vaccination Status: Results of Unadjusted and Adjusted Logistic Regression Analyses

Vaccination StatusWave 1–4Wave 2–4Wave 3–4
Unadjusted OR (95% CI)aOR (95% CI)Unadjusted OR (95% CI)aOR (95% CI)Unadjusted OR (95% CI)aOR (95% CI)
9-valent vaccine–type HPVa
 All0.24 (0.17 to 0.34)b0.25 (0.18 to 0.35)b0.35 (0.25 to 0.49)b0.42 (0.30 to 0.58)b0.66 (0.46 to 0.94)b0.74 (0.52 to 1.05)
 Vaccinated0.20 (0.14 to 0.29)b0.18 (0.12 to 0.26)b0.30 (0.20 to 0.46)b0.32 (0.21 to 0.49)b0.77 (0.50 to 1.19)0.77 (0.50 to 1.21)
 Unvaccinated0.46 (0.26 to 0.84)b0.95 (0.56 to 1.62)0.66 (0.35 to 1.25)1.35 (0.75 to 2.43)0.68 (0.35 to 1.35)0.87 (0.47 to 1.61)
4-valent vaccine–type HPVc
 All0.12 (0.08 to 0.20)b0.18 (0.12 to 0.27)b0.36 (0.22 to 0.60)b0.61 (0.39 to 0.95)b0.66 (0.38 to 1.16)1.06 (0.64 to 1.75)
 Vaccinated0.10 (0.06 to 0.17)b0.13 (0.08 to 0.22)b0.39 (0.20 to 0.75)b0.66 (0.36 to 1.20)1.15 (0.52 to 2.54)2.13 (0.97 to 4.69)
 Unvaccinated0.26 (0.12 to 0.60)b0.50 (0.26 to 0.97)b0.55 (0.23 to 1.32)1.17 (0.56 to 2.46)0.55 (0.22 to 1.39)0.84 (0.39 to 1.79)
5 HPV types in the 9-valent but not the 4-valent vaccined
 All0.43 (0.29 to 0.63)b0.44 (0.30 to 0.64)b0.38 (0.26 to 0.55)b0.42 (0.29 to 0.60)b0.69 (0.46 to 1.04)0.68 (0.46 to 1.02)
 Vaccinated0.37 (0.24 to 0.57)b0.26 (0.16 to 0.42)b0.30 (0.19 to 0.47)b0.22 (0.13 to 0.36)b0.68 (0.42 to 1.10)0.48 (0.28 to 0.82)b
 Unvaccinated0.76 (0.39 to 1.49)1.90 (1.09 to 3.34)b0.77 (0.37 to 1.59)1.79 (0.96 to 3.33)0.93 (0.43 to 2.02)1.30 (0.68 to 2.48)
  • CI, confidence interval; OR, odds ratio.

  • a HPV-6, -11, -16, -18, -31, -33, -45, -52, and -58.

  • b P < .05.

  • c HPV-6, -11, -16, and -18.

  • d HPV-31, -33, -45, -52, and -58.