Table 1.

Selected baseline characteristics [medians (interquartile range) or number (%)] for prostate cancer cases by survivor status, ATBC Study

CharacteristicSurvivors (n = 637)Deceased (n = 363)P
Age at blood collection (years)57 (53–61)58 (55–63)<0.0001
Age at diagnosis (years)70 (67–74)68 (64–73)<0.0001
Height (cm)174 (170–178)173 (170–177)0.19
Weight (kg)78.2 (71.1–87.6)77.5 (70.7–85.5)0.27
BMI (kg/m2)26.0 (23.9–28.6)25.8 (23.9–28.3)0.61
Cigarettes per day20 (15–25)20 (15–25)0.02
Physically active138 (21.7)57 (15.7)0.02
History of diabetes13 (2.0)10 (2.8)0.47
Family history of prostate cancer30 (4.7)22 (5.1)0.003
Energy intake (kcal/day)2,616 (2,184–3,130)2,582 (2,162–3,218)0.65
Dietary vitamin D (IU/day)4.7 (3.2–6.7)4.9 (3.2–7.0)0.56
Dietary calcium (mg/day)1,329 (1,004–1,708)1,352 (1,003–1,739)0.77
Ethanol intake (g/day)10.8 (2.5–24.7)9.9 (2.0–22.9)0.28
Supplemental vitamin D use51 (8.0)27 (7.4)0.93
Supplemental calcium use76 (11.9)40 (11.0)0.84
Serum cholesterol (mmol/L)6.2 (5.4–6.9)6.2 (5.4–7.0)0.88
Serum α-tocopherol (mg/L)11.4 (9.8–13.3)11.4 (9.7–13.6)0.74
Serum β-carotene (µg/L)185 (118–269)176 (123–271)0.99
Serum retinol (µg/L)587 (509–672)592 (522–666)0.51
Serum 25(OH)D (nmol/L)35.2 (22.8–49.3)32.3 (22.6–50.7)0.32