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Table 3 Multinomial regression analysis exploring predictors of women’s preference for the Viba or the Evalyn cytobrush

From: Preference of specimen collection methods for human papillomavirus detection for cervical cancer screening: a cross-sectional study of high-risk women in Mombasa, Kenya

Variable Prefers Viba cytobrush Prefers Evalyn cytobrush
Relative risk ratio (95% CI) p-value Relative risk ratio (95% CI) p-value
Age (years) 0.92 (0.88–0.97) 0.001 0.94 (0.91–0.98) 0.004
Age at first sex (years) 1.07 (0.89–1.28) 0.47 1.05 (0.90–1.23) 0.55
Parity
 Nulliparous Reference   Reference  
 Ever pregnant 0.68 (0.52–0.90) 0.008 0.82 (0.65–1.02) 0.07
Education
 No high school education Reference   Reference  
 At least high school-level 1.22 (0.54–2.78) 0.63 1.42 (0.70–2.88) 0.34
Marital status
 Never married Reference   Reference  
 Ever married 0.81 (0.35–1.85) 0.62 0.95 (0.46–1.95) 0.88
HIV status
 HIV-negative Reference   Reference  
 HIV-positive 1.16 (0.51–2.63) 0.72 0.62 (0.31–1.26) 0.19
Religion
 Christian Reference   Reference  
 Muslim 0.35 (0.07–1.93) 0.23 0.92 (0.30–2.83) 0.89
 Othera 2.66 (0.27–26.62) 0.41 0.42 (0.03–6.87) 0.54
Evalyn brush more comfortable to insertb 0.64 (0.46–0.89) 0.009 1.38 (0.92–2.06) 0.12
Viba brush more comfortable to insert b 1.48 (1.01–2.16) 0.04 0.69 (0.55–0.87) 0.002
Concerned about hurting themselves with Evalyn brush b 1.25 (0.98–1.58) 0.07 0.89 (0.72–1.09) 0.25
Concerned about hurting themselves with Viba brush b 0.93 (0.74–1.18) 0.56 1.38 (1.12–1.69) 0.002
  1. aTraditional African religions and no religious affiliation
  2. bFor this analysis, the rating scale for these questions was reverse coded (5 strongly agree, 4 agree somewhat, 3 neutral, 2 disagree somewhat, 1 strongly disagree) so that increasing ratings indicated agreement with each item and higher relative risk ratios indicated a higher probability of preferring the brush specified