Table 3. Results of Multivariable, Multinomial, Logistic Regression Models for Vaping Among Adolescents, 2019 Florida Youth Tobacco Survey.

Social Media Use	Middle school (n = 4,935)a		High school (n = 5,521)b
	Experimental Use (n = 486)c	Current Use (n = 456)d	Experimental Use (n = 947)	Current Use (n = 1,216)
Adjusted relative risk ratio (95% CI)
Facebook
Never	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Nondailye	1.25 (0.92–1.69)	1.59 (1.13–2.23)	0.97 (0.78–1.20)	1.10 (0.89–1.35)
Dailyf	1.27 (0.84–1.90)	1.45 (0.87–2.39)	0.96 (0.75–1.24)	0.83 (0.63–1.08)
Instagram
Never	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Nondaily	1.74 (1.07–2.85)	0.89 (0.55–1.43)	0.90 (0.59–1.39)	0.89 (0.56–1.42)
Daily	2.19 (1.52–3.15)	1.31 (0.85–2.01)	1.45 (1.05–2.00)	1.56 (1.12–2.19)
Twitter
Never	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Nondaily	1.45 (1.05–1.99)	1.37 (0.83–2.34)	1.10 (0.85–1.42)	1.25 (1.00–1.57)
Daily	1.16 (0.77–1.76)	3.80 (2.36–6.11)	1.21 (0.94–1.55)	1.30 (1.03–1.66)
Snapchat
Never	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Nondaily	1.26 (0.80–1.99)	1.39 (0.83–2.34)	1.87 (1.31–2.68)	2.24 (1.41–3.56)
Daily	1.96 (1.36–2.84)	3.80 (2.36–6.11)	2.80 (2.00–3.93)	6.12 (4.24–8.83)
Sex
Female	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Male	1.72 (1.37–2.17)	1.09 (0.83–1.43)	1.14 (0.97–1.33)	1.08 (0.88–1.32)
Race/ethnicity
Non-Hispanic White	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Non-Hispanic Black	1.16 (0.80–1.68)	0.89 (0.58–1.38)	0.60 (0.46–0.80)	0.30 (0.21–0.41)
Hispanic	1.09 (0.83–1.44)	1.00 (0.73–1.36)	0.80 (0.64–1.02)	0.67 (0.53–0.85)
Non-Hispanic others	1.05 (0.67–1.63)	0.68 (0.39–1.18)	0.65 (0.45–0.96)	0.67 (0.47–0.95)
Current cigarette smoking
No	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Yes	2.46 (0.65–9.34)	7.45 (2.08–26.68)	3.17 (0.90–11.08)	10.16 (3.12–33.10)
Current other tobacco use (eg, cigars, hookah, smokeless tobacco)
No	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Yes	3.74 (1.45–9.62)	26.67 (12.80–55.56)	4.72 (2.87–7.77)	24.02 (14.57–39.58)
Familial tobacco useg
No	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Yes	2.14 (1.69–2.70)	3.03 (2.32–3.96)	1.70 (1.40–2.07)	2.27 (1.88–2.75)
Internalizing tendency (eg, depressive symptom)h
No	1 [Reference]	1 [Reference]	1 [Reference]	1 [Reference]
Yes	2.20 (1.70–2.85)	2.54 (1.98–3.27)	1.56 (1.32–1.86)	1.69 (1.39–2.07)

^a Middle school reference group is n = 4,935.

^b High school referent group is n = 5,521.

^c P < .05; 2-sided.

^d Current use is defined as vaped in the past 30 days.

^e Nondaily includes every few months, every few weeks, 1–2 days/week, and 3–5 days/week.

^f Daily includes once per day and several times per day.

^g Assessed using the question, Does anyone who lives in your home use any of the following products? (Do not count yourself), and response options were cigarettes–cigars–chewing tobacco, snuff or dip, hookahs, and electronic vaping products.

^h Assessed using the question, During the past 12 months, did you ever feel so sad or hopeless that for ≥2 consecutive weeks you stopped usual activities?