Table 2.

Variables associated with self-reported outdoor tanning behavior among undergraduate students (n = 1732)

Variable	Outdoor Tans N (%)	Odds Ratio	95% CI	Adjusted Odds Ratio	95% CI
Age
18 years old (ref)	156 (9.0)	1.00		1.00
19 years old	324 (18.7)	1.10	0.81–1.50	1.03	0.67–1.60
20 years old	298 (17.2)	1.19	0.87–1.64	0.86	0.50–1.48
21 years old	303 (17.5)	1.78	1.27–2.49	1.33	0.74–2.41
22+ years old	651 (37.6)	1.05	0.79–1.39	0.58	0.33–1.00
Year
Freshman (ref)	336 (19.4)	1.00		1.00
Sophomore	381 (22.0)	1.19	0.94–1.52	1.15	0.78–1.69
Junior	471 (27.2)	1.22	0.97–1.53	0.97	0.62–1.53
Senior	544 (31.4)	1.38	1.10–1.73	1.33	0.82–2.14
Sex
Male (ref)	454 (26.3)	1.00		1.00
Female	1274 (73.7)	1.79	1.51–2.12	1.75	1.39–2.20
Race
White (ref)	1428 (82.4)	1.00		1.00
Black or African American	85 (4.9)	0.06	0.05–0.08	0.05	0.03–0.07
Other	219 (12.6)	0.48	0.38–0.61	0.42	0.30–0.58
Alabama Resident
Yes (ref)	383 (22.2)	1.00		1.00
No	1345 (77.8)	0.73	0.60–0.90	0.79	0.61–1.03
Immediate family member with history of melanoma
No (ref)	1324 (76.5)	1.00		1.00
Yes	130 (7.5)	1.26	0.90–1.75	0.68	0.45–1.03
Don’t know/Not sure	277 (16.0)	0.77	0.63–0.95	0.67	0.51–0.88
Fitzpatrick score
Fitzpatrick Type V/VI (ref)	280 (16.2)	1.00		1.00
Fitzpatrick Type I/II	225 (13.0)	1.60	1.23–2.08	0.19	0.13–0.29
Fitzpatrick Type III	612 (35.3)	4.33	3.42–5.49	0.59	0.40–0.86
Fitzpatrick Type IV	615 (35.5)	2.84	2.28–3.53	0.88	0.64–1.22
Number of lifetime blistering sunburns
None (ref)	496 (28.6)	1.00		1.00
1–2	764 (44.1)	2.66	2.20–3.21	1.38	1.06–1.80
3–5	360 (20.8)	2.25	1.79–2.83	1.07	0.77–1.48
6 or more	112 (6.5)	1.73	1.23–2.42	0.87	0.55–1.37
Ever spray tanned
No (ref)	1178 (69.8)	1.00		1.00
Yes	510 (30.2)	6.61	4.95–8.83	2.26	1.60–3.20
Ever used a tanning bed
No (ref)	572 (34.0)	1.00		1.00
Yes	1111 (66.0)	5.33	4.46–6.37	2.54	2.03–3.18
Intend to use tanning bed next 12 months
No (ref)	1287 (74.7)	1.00		1.00
Yes	437 (25.3)	31.26	16.61–58.84	10.63	5.38–20.98