Table 1.

SCOT Nested Case Control Study Population Characteristics, by Case Status

	Cases (n=170)		Matched a Controls (n=324)
	N	%	N	%
Organ Transplanted
Renal Only	124	72.9	242	74.7
Cardiac	35	20.6	61	18.8
Renal/Pancreas	11	6.5	21	6.5
Age at Transplant
≤48 years	39	22.9	89	27.5
49–54 years	43	25.3	79	24.4
55–61 years	36	21.2	86	26.5
≥62 years	52	30.6	70	21.6
Body Mass Index (kg/m 2)
<25.0	66	38.8	119	36.7
25.0 – 29.9	76	44.7	139	42.9
≥30.0	28	16.5	66	20.4
Family History of Skin Cancer c
No	112	65.9	255	78.7
Yes	58	34.1	69	21.3
Reported White or Caucasian Race
No	8	4.7	39	12.0
Yes	162	95.3	285	88.0
History of Actinic or Solar Keratosis
No	87	51.2	244	75.3
1	11	6.5	19	5.9
2–4	26	15.3	26	8.0
5–10	21	12.4	23	7.1
>10	25	14.7	12	3.7
Tendency to Sunburn after Initial Sun Exposure
Severe Burn with Blistering	12	7.1	14	4.4
Painful Burn Followed by Peeling	45	26.5	56	17.4
Mild Burn Followed by degree of Tanning	87	51.2	163	50.6
Tan without any Sunburn	26	15.3	89	27.6
Skin Tone after Prolonged Sun Exposure
Very Brown and Deeply Tanned	28	16.5	108	33.5
Moderately Tanned	79	46.5	135	41.9
Mildly Tanned, Tendency to Peel	49	28.8	62	19.3
Burned Only, Freckled, or no Tan	14	8.2	17	5.3
Donor Type b
Living, Related	32	25.8	55	22.7
Living, Unrelated	26	21.0	44	18.2
Deceased	66	53.2	143	59.1

^aControls were matched to cases on the following: time between transplant and the baseline interview, organ transplant type (kidney, kidney/pancreas, heart), gender, age at transplant (+/− 5 years), year of transplant (+/− 2 years), transplant hospital, donor type (living vs. deceased), and race (white vs. non-white)

^bFamily history defined as reported occurrence of skin cancer in any family member

^cNumbers and percentages reported out of patients with a renal transplant (n=398)