Table 4.

Determinants of catastrophic and impoverishing health expenditure and: a multivariate logistic regression model

Variables	Reference subgroup	CHE at different thresholds						Impoverishing payments
		≥ 40% of CTP			≥ 10% of CTP
		OR	95% CI	p	OR	95% CI	p	OR	95% CI	p
Disease characteristics
Cancer type	Benign	0.64	0.24–1.04	0.12	0.64	0.39–1.31	0.27	0.76	0.13–2.63	0.77
Disease duration	<  1 years	0.68	0.23–1.13	0.60	0.58	0.29–1.55	0.34	0.95	0.48–2.13	0.87
Treatment types	Chemotherapy
Radiotherapy		1.33	1.14–1.52	0.01	1.26	0.04–1.51	0.16	1.31	0.60–2.84	0.22
Surgery		1.24	0.94–1.55	0.13	1.12	0.85–1.39	0.25	1.18	0.47–2.36	0.47
Patient characteristics
Age groups	<  40 years
40–65 years		1.81	1.30–3.32	0.04	3.59	1.03–9.54	0.04	1.32	0.71–3.74	0.48
> 65 years		0.28	0.14–0.62	0.01	0.62	0.25–1.15	0.19	0.54	0.28–2.31	0.21
Educational level	Illiterate
< University		0.80	0.55–1.05	0.61	1.06	0.45–2.52	0.90	1.17	0.52–3.61	0.89
University		0.27	0.21–0.33	0.01	1.21	0.58–2.46	0.77	0.37	0.12–0.66	0.01
Place of living	Urban	2.66	1.45–3.88	0.17	0.75	0.29–1.93	0.56	0.86	0.10–3.15	0.90
Marital status	Married	1.36	0.78–1.94	0.80	0.36	0.10–1.23	0.10	–	–	–
Household size	<  5 persons	0.59	0.15–2.28	0.45	0.75	0.32–1.80	0.53	0.89	0.13–2.15	0.72
Have insurance	No	0.66	0.28–1.04	0.18	0.22	0.09–0.43	0.02	–	–	–
Head of household characteristics
Age groups	<  50 years	0.97	0.89–1.04	0.36	0.96	0.91–1.00	0.07	1.07	0.94–1.24	0.28
Educational level	Illiterate
< University		0.94	0.57–1.55	0.81	0.90	0.64–1.26	0.53	0.63	0.27–1.53	0.32
University		0.79	0.45–1.11	0.55	0.77	0.48–1.06	0.48	0.79	0.31–1.17	0.09
Marital status	Married	2.14	0.54–8.54	0.28	0.56	0.25–1.26	0.16	–	–	–

Variables of marital statuses and health insurance condition of the patients are omitted due to collinearity problem in improvising payment model