Table 2.

Multiple logistic regression analysis of significant variables of usage of OncoQuest in the total study population (N = 407)

	OR	95% CI	p value
Tumor stage
Stage 1	1.0		p = 0.001
Stage 2	2.6	1.3–5.2
Stage 3	3.3	1.5–7.0
Stage 4	2.4	1.4–4.3
Tumor site
Larynx	1.0		p = 0.013
Pharynx	1.9	1.0–3.3
Oral cavity	2.1	1.2–3.7
Other	3.3	1.1–9.7

Age, sex, and treatment modality were not significantly associated with usage rate, and therefore not included in these analyses. Number of patients in these analyses is smaller (N = 407) than the total study population (N = 449) because of missing data on tumor stage