Table 1. Demographic and Skin Characteristics of Cases with Squamous Cell Carcinoma and Controls.

	Cases with SCC (n = 55)	Controls (n = 41)	P-value
Age (mean years ± sd)	74.5	69.9	0.02
Age			0.08
<70	17 (31%)	21 (51%)
70–79	21 (38%)	11 (27%)
≥80	17 (31%)	9 (22%)
Female Gender	2 (4%)	5 (12%)	0.13
Ever Smoker	42 (76%)	31 (76%)	0.93
Family Hx of Skin Cancer	10 (20%)	5 (13%)	0.39
Propensity to Sunburn	48 (87%)	25 (61%)*	0.003
Propensity to Sunburn			0.001
Burns, blisters	14 (25%)	5 (12%)*
Burns, no blisters	18 (33%)	4 (10%)
Mild burn, tans	16 (29%)	16 (39%)
No burn, tans	4 (7%)	13 (32%)
No burn, no tan	3 (5%)	3 (7%)