Table 2.

Odds ratios (ORs) and 95% confidence intervals (CIs) for multivariable logistic regressions testing predictors of transitioning to susceptibility, ever use, and continued use

	Nonsusceptible to susceptible		Never-use to ever-use		Ever-use to continued use
Variable	OR	[95% CI]	OR	[95% CI]	OR	[95% CI]
Gender (ref.: male)	1.05	[0.51, 2.18]	0.96	[0.44, 2.06]	0.47	[0.08, 2.70]
Race/ethnicity (ref.: non-White)	1.91	[0.79, 4.63]	0.41	[0.16, 1.04]	0.12	[0.02, 0.95]*
Socioeconomic status	0.98	[0.60, 1.59]	1.08	[0.64, 1.84]	0.75	[0.26, 2.12]
Ever other tobacco use (ref.: yes)	0.45	[0.15, 1.39]	0.65	[0.27, 1.56]
Past-30-day use alcohol (ref.: yes)			0.46	[0.17, 1.21]	10.70	[0.76, 150.24]
Ever blunt use (ref.: yes)			0.42	[0.13, 1.42]
Ever marijuana use (ref.: yes)			1.26	[0.40, 3.92]
Sensation seeking			0.72	[0.35, 1.47]
Conscientiousness	0.70	[0.49, 0.99]*
Extraversion			1.23	[0.93, 1.62]
Agreeableness					0.50	[0.24, 1.06]
Seen advertisements (ref.: no)					0.44	[0.09, 2.31]
Peer hookah use Area			1.97	[1.18, 3.27]**	2.32	[0.85, 6.34]
Urban	0.32	[0.13, 0.81]*
Suburban	0.27	[0.09, 0.79]*
Out of state	0.28	[0.10, 0.80]*
Baseline susceptibility (ref.: no)			3.27	[1.20, 8.91]*
Baseline susceptibility (continuous)					2.35	[1.11, 4.97]*
Like social aspect of using (ref.: yes)			1.04	[0.46, 2.37]
Perceived risk of addiction			1.07	[0.78, 1.48]
Perceived risk of health problems			0.72	[0.50, 1.04]
Hookah knowledge			1.20	[1.01, 1.42]*
Addiction (ref.: no indicators)					3.93	[0.22, 70.82]
ATSQ					1.14	[0.90, 1.46]

Notes: Blank spaces in the table indicate where a variable was not included in the multivariable model due to the variable not being significant in the univariate model. Ref. = reference; ATSQ = American Thoracic Society Questionnaire.

^*p < .05;

^**p < .01.