Predictors of Complementary and Alternative Medicine Use in Cancer Care: Results of a Nationwide Multicenter Survey in Korea

Table 2

Predictors of complementary and alternative medicine use.

Variables	Univariate analysis		Multivariate analysis
	OR	95% CI	OR	95% CI
Basic model (𝑛=2515)
Age (year)
18–39	1.00	Reference	1.00	Reference
40–59	1.18	0.83–1.66	1.36	0.93–1.99
60–69	0.77	0.54–1.11	1.18	0.78–1.80
70+	0.63	0.42–0.93	1.21	0.71–1.77
Gender
Male	1.00	Reference	1.00	Reference
Female	1.42	1.19–1.69	1.17	0.93–1.48
Education
≤Middle school	1.00	Reference	1.00	Reference
High school	1.56	1.28–1.90	1.31	1.05–1.65
≥College	1.56	1.22–1.99	1.26	0.94–1.70
Monthly household income
<1000 USD	1.00	Reference	1.00	Reference
1000–3000 USD	1.50	1.20–1.86	1.34	1.05–1.72
≥3000 USD	1.87	1.48–2.37	1.57	1.18–2.10
Cancer type
Stomach	1.00	Reference	1.00	Reference
Lung	1.10	0.79–1.54	1.20	0.84–1.72
Liver	1.33	0.94–1.90	1.25	0.86–1.83
Colon/rectum	0.81	0.57–1.15	0.77	0.53–1.11
Breast	2.20	1.63–2.97	1.79	1.24–2.56
Cervix	1.33	0.83–2.12	1.05	0.63–1.77
Others	1.09	0.83–1.43	1.05	0.78–1.41
Metastasis
No	1.00	Reference	1.00	Reference
Yes	1.55	1.27–1.89	1.55	1.26–1.91
Time since diagnosis
≤12 months	1.00	Reference	1.00	Reference
12–36 months	1.33	1.07–1.64	1.32	1.05–1.65
36–60 months	1.73	1.33–2.26	1.79	1.35–2.38
>60 months	1.75	1.35–2.29	1.76	1.33–2.34
Extended model* 1 (𝑛=2515)
Trust in doctor
Very	1.00	Reference	1.00	Reference
Somewhat	1.32	1.01–1.73	1.26	0.94–1.67
Not at all	2.42	1.22–4.79	2.38	1.13–5.00
Extended model 2 (𝑛=2515)
Trust in hospital
Very	1.00	Reference	1.00	Reference
Somewhat	1.30	1.05–1.63	1.18	0.93–1.49
Not at all	2.19	1.27–3.76	2.04	1.15–3.63
Extended model 3 (𝑛=2515)
Satisfaction with medical service
Very	1.00	Reference	1.00	Reference
Somewhat	1.21	1.99–1.78	1.14	0.92–1.41
Not at all	1.77	1.25–2.52	1.61	1.11–2.34
Extended model 4 (𝑛=2515)
EQ5D
No problems	1.00	Reference	1.00	Reference
One or more problems	1.28	1.06–1.54	1.23	1.01–1.50

*Extended models are for individual current attitudes or status, controlling for the variables in the basic model.