Table 3 Variables associated with self-reported ever indoor tanning among undergraduate students (n = 1353)
From: Intentional tanning behaviors among undergraduates on the United States’ Gulf Coast
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 |