Table 4.

Logistic regression models for Chippers and Daily smoker subtypes.

Sample characteristics	Units	LC3a chippers-lndulgent (N =178)	P ≤	LC6b daily smokers-Indulgent (N = 135)	P ≤
Age
<16		Referent		Referent
≥16	Years	0.94 (0.89,1.00)	.05	0.81 (0.75, 0.87)	.01
Gender
Female		Referent		Referent
Male	No/Yes	1.33 (0.94,1.89)	.09	1.38 (0.89, 2.13)	.14
Race/ethnicity
White		Referent		Referent
Black	No/Yes	0.90 (0.49,1.63)	.73	2.71 (1.29, 5.70)	.01
Hispanic/Latino	No/Yes	1.44 (0.99, 2.10)	.06	4.16(2.53, 6.83)	.01
Multiple races/other	No/Yes	1.59 (0.76,3.34)	.21	4.75 (2.07, 10.89)	.01
School level
Middle school		Referent		Referent
High school	No/Yes	0.58 (0.40, 0.85)	.01	0.20 (0.11,0.34)	.01
Smoking influences
Household smoking	No/Yes	0.94 (0.67,1.32)	.73	1.01 (0.65, 1.59)	.93
Peer smoking	0–1	1.33(1.19,1.48)	.01	1.16(1.00, 1.35)	.05
Perceived smoking norms
Smoking to be cool/fit in	0–1	1.27(1.12,1.43)	.01	1.80(1.54, 2.11)	.01
Perceived smoking risks
Okay to smoke 1–2 years	0–1	1.30(1.15,1.46)	.01	1.39(1.21, 1.61)	.01
Tobacco dependence
Less than 3 h	0–1	1.43(1.28,1.59)	.01	1.24(1.14, 1.36)	.01
Quit efficacy
Ability to stop smoking	No/Yes	0.37 (0.23, 0.60)	.01	0.59 (0.39, 0.90)	.01

^aReferent category = LC2; chippers (N=906).

^bReferent category = LC5, daily smokers (N=303).