Table 1.

Baseline characteristics of a cohort of individuals with a history of NMSC, Washington County, Maryland, 1989 to 2002

CharacteristicDeveloped second primary cancer
P
Yes (n = 80), n (%)No (n = 401), n (%)
Mean ± SD age at NMSC diagnosis58 ± 11.754 ± 13.80.00
Mean ± SD time from diagnosis of NMSC to CLUE II entry8.3 ± 8.48.8 ± 9.00.6
Race
White80 (100)400 (99.8)0.65
Other01 (0.2)
Sex
Female33 (41.3)200 (49.9)0.16
Male47 (58.7)201 (50.1)
Years of education in 1989
<1250 (62.5)108 (26.9)0.056
≥1230 (37.5)293 (73.1)
History of cigarette smoking in 1989
    Never28 (35.0)202 (50.4)0.084
Former40 (50.0)154 (38.4)
Current12 (15.0)44 (11.0)
Missing01 (0.2)
XPD genotypes
Lys/Lys18 (22.5)160 (39.9)0.007
Lys/Gln51 (63.8)184 (45.9)
Gln/Gln11 (13.7)57 (14.2)