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. 2012 Jun 1;206(3):399–406. doi: 10.1093/infdis/jis374

Table 4.

Tanning Ability, by Genus-Specific Human Papillomavirus Seropositivity, Among Cases With Basal Cell Carcinoma (BCC) or Squamous Cell Carcinoma (SCC) and Controls

Controls (n = 297)
BCC cases (n = 204)
SCC cases (n = 156)
Tanning Ability, by Genus Seropositivity No. (%) Pa No. (%) Pa No. (%) Pa
Alpha
Tan easily 67 (38.7) 41 (42.7) 19 (33.9)
If work at it/unable to tan 35 (29.4) .10 52 (51.0) .24 40 (41.7) .35
Beta
Tan easily 107 (61.9) 64 (66.7) 33 (58.9)
Tan after working at it/unable to tan 69 (58.0) .51 71 (69.6) .66 78 (81.3) .003
Gamma
Tan easily 90 (52.0) 61 (63.5) 32 (57.1)
Tan if worked at it/unable to tan 64 (53.8) .77 76 (74.5) .09 62 (64.6) .36
Mu
Tan easily 56 (32.4) 34 (35.4) 17 (30.4)
Tan after working at it/unable to tan 38 (31.9) .94 42 (41.2) .41 43 (44.8) .08
Nu
Tan easily 19 (11.0) 12 (12.5) 5 (8.9)
Tan if worked at it/unable to tan 14 (11.8) .84 12 (11.8) .87 15 (15.6) .24

aBy the χ2 test. Table percentages are row percentages. They were calculated by dividing the number of individuals in each category (i.e., Tan easily or Tan if worked at it/unable to tan) that were genus-specific HPV seropositive by the total number of individuals in that category.