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. Author manuscript; available in PMC: 2018 Mar 5.
Published in final edited form as: Vaccine. 2016 Nov 18;35(1):109–117. doi: 10.1016/j.vaccine.2016.11.018

Table 5.

Results of Cox proportional hazards regression including intervention arm (Model 1) and of generalized estimating equations including implementation group (Model 2) on HPV series initiation and series completion

Outcome variables
Independent sariable HPV series initiation HPV series completion
Model 1
Intervention vs. Control		 Hazards Ratio (95% Confidence Interval) P value Hazards Ratio (95% Confidence Interval) P value
Age: 11–13 years, ref. = 14–17 years 1.11 (0.89–1.39) 0.344 0.68 (0.57–0.83) <0.001
Race: White, ref. = non-white 0.61 (0.47–0.80) <0.001 0.74 (0.61–0.90) 0.002
Sex: Female, ref. = male 1.08 (0.99–1.17) 0.057 1.17 (1.10–1.24) <0.001
Insurance: Commercial, ref. = public insurance 0.84 (0.72–0.97) 0.018 0.88 (0.76–1.01) 0.074
Group: Intervention, ref. = control 0.95 (0.77–1.2) 0.583 0.94 (0.82–1.08) 0.370
Model 2
High Implementers (>10 strategies) vs. Low Implementers (≤10 strategies) 		Odds Ratio (95% Confidence Interval) P value Odds Ratio (95% Confidence Interval) P value
Age: 11–13 years, ref. = 14–17 years 1.18 (0.98–1.36) 0.061 0.81 (0.71–0.92) 0.005
Race: White, ref. = non-white 0.52 (0.42–0.63) <0.001 0.65 (0.56–0.77) <0.001
Sex: Female, ref. = male 1.03 (0.90–1.21) 0.521 1.06 (0.94–1.19) 0.242
Insurance: Commercial, ref. = public insurance 0.81 (0.70–0.95) 0.013 0.83 (0.73–0.94) 0.014
Strategies: >10, ref. ≤10 2.08 (1.43–3.01) <0.001 0.95 (0.68–1.31) 0.811