Table 3.

Odds ratios and 95% confidence intervals for tobacco use by year (1999–2013): Comparisons by Sexual Orientation

	1999/2001	2003/2005	2007/2009	2011/2013
Ever Smoked Cigarettes
Male	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)
Heterosexual	ref	ref	ref	ref
Bisexual	2.66 (1.25–5.63)	2.04 (0.99–4.20)	3.09 (1.51–6.33)	1.59 (0.91–2.77)
Gay	2.19 (0.94–5.09)	1.46 (0.63–3.38)	3.93 (1.86–8.34)	1.18 (0.64–2.16)
Female
Heterosexual	ref	ref	ref	ref
Bisexual	3.75 (2.19–6.42)	4.42 (2.66–7.33)	3.92 (2.75–5.58)	3.90 (2.63–5.79)
Lesbian	1.86 (0.48–7.25)	38.67 (5.32–281.11)	6.68 (2.03–22.02)	4.14 (1.97–8.70)
Early Onset Smoking
Male	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)
Heterosexual	ref	ref	ref	ref
Bisexual	3.52 (1.85–6.71)	1.74 (0.69–4.42)	4.05 (2.13–7.69)	2.15 (0.89–5.20)
Gay	4.46 (2.41–8.24)	3.25 (1.47–7.18)	4.11 (2.27–7.44)	2.55 (0.91–7.15)
Female
Heterosexual	ref	ref	ref	ref
Bisexual	3.47 (2.43–4.94)	3.64 (2.19–6.05)	4.00 (2.81–5.70)	6.99 (4.22–11.58)
Lesbian	1.38 (0.39–4.87)	7.76 (2.93–20.58)	5.36 (2.16–13.30)	5.92 (2.03–17.26)
Smoked Daily in Past 30 days
Male	bOR (95% CI)	bOR (95% CI)	bOR (95% CI)	bOR (95% CI)
Heterosexual	ref	ref	ref
Bisexual	2.84 (1.48–5.42)	2.71 (0.99–7.41)	4.97 (2.15–11.52)	4.29 (1.63–11.27)
Gay	4.61 (1.91–11.13)	3.61 (1.29–10.11)	5.62 (2.71–11.64)	5.31 (2.04–13.86)
Female
Heterosexual	ref	ref	ref
Bisexual	6.29 (4.53–8.73)	4.63 (2.76–7.74)	5.94 (3.97–8.88)	3.46 (1.44–8.30)
Lesbian	2.07 (0.52–8.27)	5.84 (1.97–17.32)	5.84 (1.97–17.32)	7.68 (2.27–17.32)

Note. All outcomes were weighted. aOR = adjusted odds ratio for ethnicity and age; bOR = adjusted odds ratio for age only. Due to low prevalence rates, “smoked daily in past 30 days” was adjusted for age but not race/ethnicity. aOR and bOR in bold indicates p < .05; CI = Confidence interval.