Table 3.

Variables associated with self-reported ever indoor tanning among undergraduate students (n = 1353)

Variable	Ever indoor tanned N (%)	Odds Ratio	95% CI	Adjusted Odds Ratio	95% CI
Age
18 years old (ref)	104 (7.7)	1.00		1.00
19 years old	216 (16.0)	1.05	0.77–1.44	0.97	0.64–1.48
20 years old	211 (15.6)	1.27	0.92–1.74	0.87	0.52–1.46
21 years old	219 (16.2)	1.62	1.18–2.24	1.06	0.61–1.84
22+ years old	603 (44.6)	2.00	1.51–2.66	1.71	1.02–2.86
Year
Freshman (ref)	224 (16.6)	1.00		1.00
Sophomore	272 (20.1)	1.30	1.02–1.65	1.22	0.85–1.75
Junior	386 (28.5)	1.70	1.35–2.13	1.43	0.93–2.18
Senior	471 (34.8)	2.11	1.69–2.64	1.34	0.86–2.09
Sex
Male (ref)	294 (21.8)	1.00		1.00
Female	1055 (78.2)	2.40	2.02–2.86	1.65	1.34–2.04
Race
White (ref)	1111 (82.1)	1.00		1.00
Black or African American	106 (7.8)	0.19	0.15–0.24	0.56	0.39–0.80
Other	136 (10.1)	0.43	0.34–0.54	0.68	0.50–0.94
Alabama Resident
No (ref)	252 (18.7)	1.00		1.00
Yes	1099 (81.3)	1.24	1.03–1.51	1.44	1.14–1.83
Immediate family member with history of melanoma
No (ref)	1032 (76.3)	1.00		1.00
Yes	118 (8.7)	1.65	1.20–2.26	1.01	0.69–1.49
Don’t know/Not sure	203 (15.0)	0.73	0.59–0.90	0.76	0.59–0.98
Fitzpatrick score
Fitzpatrick Type V/VI (ref)	205 (15.2)	1.00		1.00
Fitzpatrick Type I/II	208 (15.4)	2.29	1.76–2.96	0.83	0.56–1.23
Fitzpatrick Type III	477 (35.3)	3.11	2.49–3.89	1.06	0.76–1.48
Fitzpatrick Type IV	463 (34.2)	2.26	1.82–2.81	1.13	0.85–1.50
Number of lifetime blistering sunburns
None (ref)	368 (27.2)	1.00		1.00
1–2	571 (42.2)	2.00	1.67–2.40	1.17	0.92–1.49
3–5	305 (22.5)	2.40	1.92–3.07	1.36	1.01–1.83
6 or more	109 (8.1)	3.00	2.11–4.26	2.06	1.33–3.20
Outdoor tanner
No (ref)	242 (17.9)	1.00		1.00
Yes	1111 (82.1)	5.33	4.46–6.37	2.47	1.97–3.10
Ever spray tanned
No (ref)	870 (64.3)	1.00		1.00
Yes	483 (35.7)	7.70	6.00–9.87	3.34	2.51–4.45
Intend to use tanning bed next 12 months
No (ref)	925 (68.4)	1.00		1.00
Yes	428 (31.6)	43.53	24.90–76.07	22.82	12.85–40.54