Skip to main content

Table 1 Selected characteristics by ever indoor tanning status stratified by gender

From: Lifetime history of indoor tanning in young people: a retrospective assessment of initiation, persistence, and correlates

  Females n = 281 Males n = 120
   Never Indoor    Never Indoor  
  Indoor Tanners Tanners   Indoor Tanners Tanners  
Characteristic n = 206 n = 75 P valuea n = 46 n = 74 P valuea
  Median (IQR)   Median (IQR)  
Age at skin biopsy, y 36.8 (33.2-38.4) 37.4 (34.1-39.1) 0.111 36.2 (31.2-38.4) 36.5 (31.3-38.4) 0.848
Sunbathing sessions, n 490 (268-870) 162 (51-386) < 0.001 106 (34-458) 11 (34-458) 0.001
BMI, kg/m2 22.8 (20.8-26.6) 24.3 (21.5-28.6) 0.053 27.3 (25.2-35) 27.4 (24.8-30.7) 0.955
Pounds gained since age 18, lbs 15 (2-30) 16 (5-36) 0.126 25 (12.8-35) 20 (10-40) 0.672
Alcoholic drinks under age 25, n 416 (0-1664) 104 (0-1141) 0.399 2040 (0-4928) 1410 (107-3631) 0.901
Alcoholic drinks per year age 25+, n 112 (0-214) 77 (0-240) 0.688 197 (0-571) 212 (60.0-502) 0.417
  nb (%)   nb (%)  
Eye color, n (%)    0.035    0.705
   Brown 90 (43.7) 24 (32.0)   20 (43.5) 28 (37.8)  
   Hazel 41 (19.9) 14 (18.7)   8 (17.4) 11 (14.9)  
   Green 17 (8.3) 15 (20.0)   1 (2.2) 5 (6.8)  
   Blue 58 (28.2) 22 (29.3)   17 (37.0) 30 (40.5)  
Skin Color, n (%)    0.042    0.797
   Olive 43 (20.9) 14 (18.7)   10 (21.7) 16 (21.6)  
   Fair 128 (62.1) 38 (50.7)   30 (65.2) 45 (60.8)  
   Very Fair 35 (17.0) 23 (30.7)   6 (13.0) 13 (17.6)  
Skin reaction with first summer sun, n (%)    0.062    0.811
   Sunburn 85 (41.3) 41 (54.7)   15 (32.6) 21 (28.4)  
   Tan 121 (58.7) 34 (45.3)   31 (67.4) 52 (70.3)  
Skin reaction with prolonged sun, n (%)    0.024    0.616
   Deep Tan 42 (20.4) 6 (8.0)   8 (17.4) 17 (23.0)  
   No/Mild/Moderate Tan 164 (79.6) 69 (92.0)   38 (82.6) 57 (77.0)  
Smoking Status, n (%)    0.214    0.190
   Not Current Smoker 172 (83.5) 66 (90.4)   33 (71.7) 61 (82.4)  
   Current Smoker 34 (16.5) 7 (9.6)   13 (28.3) 12 (16.2)  
Education, n (%)    0.372    0.999
   Less than Bachelor's Degree 73(35.4) 21(28.0)   22(47.8) 34(45.9)  
   Bachelor's Degree or more 133(64.6) 52(69.3)   24(52.2) 40(54.1)  
  1. aWilcoxon Rank Sum Test for continuous and Chi-Square test for categorical variables.
  2. bMay not sum to total due to missing data.
  3. BMI body mass index; IQR interquartile range