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. Author manuscript; available in PMC: 2016 Oct 31.
Published in final edited form as: JAMA Dermatol. 2015 Oct;151(10):1134–1136. doi: 10.1001/jamadermatol.2015.1323

Table 2.

Bivariate Analyses of the Correlates of Nonsalon Indoor Tanning Among Young Adult Women Who Use Indoor Tanning

Characteristic Mean Weighted (95% CI)
Ever Used Indoor Tanninga Currently Use Indoor Tanningb
Salon-only Nonsalon P Value Salon-only Nonsalon P Valuec
Lifetime indoor tanning sessions, No. 35.0 (26.9–43.1) 75.7 (41.6–109.8) .02 76.4 (38.9–113.9) 82.8 (45.5–120.2)   .81
Past 12-mo indoor tanning sessions, No.   7.0 (4.0–9.9) 11.3 (4.1–18.5) .81 15.2 (10.6–19.8) 25.6 (3.0–47.6)   .38
 Nonmetropolitan area, % 15.1 (9.9–22.6) 25.4 (17.0–36.2) .07 21.7 (13.3–33.4) 36.2 (18.3–58.9)   .20
 Ever experienced depression, % 13.7 (8.3–21.9) 17.3 (10.9–26.4) .49 11.6 (5.1–24.2) 31.6 (15.3–54.1)   .047
 Ever experienced anxiety, % 16.8 (10.2–26.5) 17.0 (10.9–25.5) .97 18.1 (9.2–32.4) 18.2 (6.5–41.5)   .99
Mean difficulty to stop tanningd   3.3 (2.5–4.2)   5.28 (4.1–6.5)   .01
% Event tanning pattern, %d 69.0 (56.3–79.4) 36.4 (19.5–57.5)   .007
% Mood tanning pattern, %d 15.4 (7.8–28.1) 37.6 (18.1–62.1)   .06
% Year-round tanning pattern, %d   7.5 (3.3–16.1) 35.4 (17.8–58.1) <.001
a

Among participants who reported ever using indoor tanning (estimate of weighted n = 217.5; 26.7% of the weighted sample).

b

Among participants who reported any indoor tanning in the past 12 months (estimate of weighted n = 107.9; 13.2% of the weighted sample).

c

P values represent results of overall significance tests based on the adjusted F statistic provided by SPSS with analyses of weighted data.

d

Variables assessed only for participants who reported at least 1 indoor tanning session in the past 12 months.