Estimation of utility weights for human papilloma virus-related health states according to disease severity

Table 5 Multivariable regression model for factors influencing the utility weights

Factors	Visual analogue scale			Standard gamble
	Coefficient	95% CI coefficient		Coefficient	95% CI coefficient
		Lower	Upper		Lower	Upper
Gender
Men	Ref			Ref
Women	0.006	-0.007	0.018	-0.008	-0.026	0.011
Age (years)
19–29	Ref			Ref
30–39	0.015	-0.004	0.034	-0.022	-0.050	0.007
40–49	0.005	-0.014	0.024	-0.038**	-0.066	-0.011
50–59	0.004	-0.016	0.023	-0.008	-0.036	0.021
≥60	0.011	-0.010	0.032	-0.075**	-0.105	-0.044
Education level
High school or below	Ref			Ref
College above	-0.015*	-0.031	0.000	0.003	-0.019	0.026
Occupation
Non-manual	Ref			Ref
Manual	-0.014	-0.031	0.003	0.019	-0.006	0.045
Other	-0.014	-0.033	0.005	0.054**	0.026	0.082
Monthly income
Less than 2.5 million won	Ref			Ref
2.5–5.0 million won	0.005	-0.011	0.021	-0.001	-0.024	0.022
>5.0 million won	0.034**	0.011	0.056	0.069**	0.036	0.102
Ambulatory care visit in past 2 weeks
Yes	Ref			Ref
No	-0.011	-0.030	0.009	0.025	-0.003	0.054
Hospitalized in past 12 month
Yes	Ref
No	-0.025	-0.061	0.010	-0.036	-0.091	0.018
Morbidity
Yes	Ref			Ref
No	0.001	-0.019	0.022	-0.030	-0.060	0.000
Scenario
1. HPV-positive	Ref
2. CIN grade I	-0.126**	-0.148	-0.104	-0.056**	-0.090	-0.022
3. CIN grade II/III	-0.131**	-0.153	-0.108	-0.057**	-0.091	-0.023
4. Cervical Cancer (simple or radical hysterectomy)	-0.144**	-0.166	-0.121	-0.128**	-0.162	-0.095
5. Cervical cancer (radical hysterectomy + radiotherapy + (chemotherapy))	-0.231**	-0.253	-0.208	-0.178**	-0.212	-0.145
6. Cervical cancer (chemoradiation)	-0.314**	-0.337	-0.291	-0.227**	-0.261	-0.194
7. Cervical cancer (chemotherapy)	-0.554**	-0.577	-0.531	-0.400**	-0.434	-0.367
8. Condyloma	-0.071**	-0.094	-0.048	-0.059**	-0.092	-0.025

CI confidence interval, HPV human papilloma virus, CIN cervical intraepithelial neoplasia
*P-value < 0.05; **P-value < 0.01

ISSN: 1477-7525