American Association for Cancer Research

Table 2.

Multinomial logistic regression model comparing current smokers with never and former smokers

	Never smokers (vs. current smokers)	Former smokers (vs. current smokers)
	OR (95% CI)	OR (95% CI)
Age	1.04^a (1.02–1.05)	1.06^a (1.05–1.08)
Gender
Female (Ref)	1.0	1.0
Male	0.60^b (0.43–0.82)	1.23 (0.85–1.57)
Education
≤High school (Ref)	1.0	1.0
>High school	1.54^c (1.10–2.14)	1.19 (0.85–1.62)
Income
<$19,999 (Ref)	1.0	1.0
$20,000–$39,999	1.71^c (1.08–2.72)	2.03^b (1.27–3.24)
$40,000–$74,999	1.95^b (1.25–3.05)	2.36^a (1.50–3.71)
≥$75,000	4.17^a (2.48–7.01)	4.13^a (2.43–7.01)
Mental health treatment
None (Ref)	1.0	1.0
Treatment in last 5 years	0.56^d	0.83 (0.59–1.17)
Alcohol quantity
None (Ref)	1.0	1.0
1 drink/d	0.66^c (0.45–0.97)	1.05 (0.71–1.55)
2 or more drinks/d	0.23^a (0.15–0.33)	0.59^b (0.41–0.87)
Physical functioning	1.04^a (1.02–1.05)	1.02^b (1.01–1.04)
BMI	1.09^a (1.06–1.12)	1.08^a (1.05–1.11)

	Never smokers (vs. current smokers)	Former smokers (vs. current smokers)
	OR (95% CI)	OR (95% CI)
Age	1.04^a (1.02–1.05)	1.06^a (1.05–1.08)
Gender
Female (Ref)	1.0	1.0
Male	0.60^b (0.43–0.82)	1.23 (0.85–1.57)
Education
≤High school (Ref)	1.0	1.0
>High school	1.54^c (1.10–2.14)	1.19 (0.85–1.62)
Income
<$19,999 (Ref)	1.0	1.0
$20,000–$39,999	1.71^c (1.08–2.72)	2.03^b (1.27–3.24)
$40,000–$74,999	1.95^b (1.25–3.05)	2.36^a (1.50–3.71)
≥$75,000	4.17^a (2.48–7.01)	4.13^a (2.43–7.01)
Mental health treatment
None (Ref)	1.0	1.0
Treatment in last 5 years	0.56^d	0.83 (0.59–1.17)
Alcohol quantity
None (Ref)	1.0	1.0
1 drink/d	0.66^c (0.45–0.97)	1.05 (0.71–1.55)
2 or more drinks/d	0.23^a (0.15–0.33)	0.59^b (0.41–0.87)
Physical functioning	1.04^a (1.02–1.05)	1.02^b (1.01–1.04)
BMI	1.09^a (1.06–1.12)	1.08^a (1.05–1.11)

NOTE: Model χ²(22) = 374.8, P < 0.0001.

^aP < 0.0001.

^bP < 0.01.

^cP < 0.05.

^dP < 0.001.