Table 2

Multivariate logistic regression of factors associated with HPV contamination (high-risk HPV, low-risk HPV and in general)

VariableHigh-risk HPV contaminationLow-risk HPV contaminationContamination*
OR† (95% CI)p ValueOR† (95% CI)p ValueOR† (95% CI)p Value
Location
 Hospital (n=110)1 (reference)1 (reference)
 Private practice (n=69)9.82 (1.14 to 84.82)0.0382.70 (1.06 to 6.86)0.038
Room
 Ambulatory room (n=50)1 (reference)1 (reference)1 (reference)
 Colposcopy room (n=28)9.65 (1.00 to 93.5)0.05022.31 (2.29 to 217.46)0.0088.87 (1.52 to 51.81)0.015
 Emergency room (n=32)000
 Private practice room n=69)4.62 (0.50 to 42.69)0.1769.82 (1.13 to 84.82)0.0387.12 (1.41 to 35.88)0.017
Material
 Lamp (n=48)1 (reference)1 (reference)1 (reference)
 Glove box (n=48)0.11 (0.01 to 0.97)0.0470.12 (0.02 to 0.67)0.0150.16 (0.04 to 0.66)0.011
 Colposcope (n=20)3.48 (0.97 to 12.5)0.0561.56 (0.45 to 5.39)0.4823.02 (0.86 to 10.57)0.085
 Specula (n=24)0.25 (0.03 to 2.51)0.24000.14 (0.015 to 1.36)0.091
 Gel tubes (n=39)00.24 (0.04 to 1.34)0.1050.15 (0.03 to 0.82)0.029
Time of day
 Morning (n=101)1 (reference)
 Evening (n=78)2.27 (0.78 to 6.57)0.132
  • *Independent of HPV risk category.

  • †Adjusted for time of day, material and location.

  • HPV, human papillomavirus.