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Table 1 Sex, age, sun exposure and pigmentation of the children and mothers in the study population

From: Influence of maternal and own genotype at tanning dependence-related SNPs on sun exposure in childhood

Variable (N) % n
Female (11,524) 48.5 5586
Had been badly sun burnt when aged 8 (7297) 1.7 124
Had been badly sun burnt between ages 0 and 8 (6600) 5.0 327
Number of days the child was in the sun for 4 or more hours at 8 years (6679)
 None 4.2 283
 Less than 10 19.5 1303
 10–19 23.3 1554
 10–29 25.5 1702
 30–39 15.1 1008
 40 or more 12.4 829
Child normally wore a hat while out in the sun at 8 years (7206)
 Never 5.3 385
 Sometimes 36.2 2606
 Usually 39.2 2828
 Always 19.3 1388
Child normally wore something to keep skin covered in the sun at 8 years (7193)
 Never 2.3 162
 Sometimes 36.8 2648
 Usually 44.5 3198
 Always 16.5 1185
Child normally used sun cream whilst out in the sun at 8 years (7217)
 Never 0.9 64
 Sometimes 11.2 810
 Usually 32.6 2354
 Always 55.3 3989
Factor of sun cream the child normally used at 8 years (7039)
 4–7 0.9 64
 8–14 6.2 433
 15–20 31.7 2232
 21–25 16.4 1154
 25+ 44.8 3156
Star rating of sun cream child usually used at 8 years (1152)
 Low 29.3 337
 High 70.8 815
Child usually avoided the midday sun at 8 years (7188)
 Never 8.1 580
 Sometimes 36.1 2596
 Usually 39.8 2861
 Always 16.0 1151
Frequency of sun cream application at 8 years (7059)
 Once only 10.9 767
 Every 3 to 4 h 43.1 3045
 Every 2 h 34.9 2464
 Every hour 10.1 711
 Every half hour 1.0 72
Child’s skin pigmentation (7744)
 Always burns, never tans 0.9 72
 Burns easily, rarely tans 9.6 743
 Doesn’t change 4.0 312
 Tans easily, rarely burns 40.0 3098
 Always tans, never burns 17.3 1337
 Can’t say [their] skin is always protected 28.2 2182
Mother’s eye color (3922)
 Blue 39.6 1553
 Green 22.2 870
 Brown 25.8 1011
 Grey 5.8 227
 Other 6.7 261
Means and SDs Mean SD
Age in months at questionnaire at 8 years (7297) 105 3
  1. Sun exposure variables were reported by the children’s mothers