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Table 1.

Descriptive characteristics for DVAMC prostate cancer study cases and controls, overall and by race

CharacteristicOverall
P*Blacks
P*Whites
P*
Cases (n = 100)
Controls (n = 93)
Cases (n = 50)
Controls (n = 49)
Cases (n = 50)
Controls (n = 44)
n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)
Age at diagnosis/age at interview (y) 100 62.7 (7.4) 93 63.0 (7.6) 0.78 50 61.2 (8.6) 49 61.8 (8.8) 0.75 50 64.3 (5.6) 44 64.5 (5.7) 0.87 
Height (in.) 98 69.4 (2.6) 89 69.5 (3.1) 0.94 49 69.9 (2.7) 47 69.6 (3.2) 0.84 49 69.3 (2.6) 42 69.5 (3.0) 0.75 
Body mass index (kg/m298 27.8 (4.6) 89 28.7 (5.5) 0.22 49 28.4 (5.2) 47 28.8 (5.9) 0.70 49 27.2 (4.0) 42 28.6 (5.1) 0.16 
Race                
White 50 (50.0)  44 (47.3)  0.71   NA 50 (100.0)  44 (100.0)  NA 
Black 50 (50.0)  49 (52.7)   50 (100.0)  49 (100.0)      
Family history of prostate cancer in a father or a brother                
Yes 17 (17.4)  10 (11.0)  0.21 9 (18.0)  6 (12.8)  0.48 8 (16.7)  4 (9.1)  0.28 
No 81 (82.7)  81 (89.0)   41 (82.0)  41 (87.2)   40 (83.3)  40 (90.9)   
Missing            
High school graduate                
Yes 85 (86.7)  73 (80.2)  0.23 45 (90.0)  40 (85.1)  0.46 40 (83.3)  33 (75.0)  0.32 
No 13 (13.3)  18 (19.8)   5 (10.0)  7 (14.9)   8 (16.7)  11 (25.0)   
Missing            
Ever smoked 100 cigarettes                
Yes 79 (80.6)  72 (79.1)  0.80 36 (72.0)  34 (72.3)  0.97 43 (89.6)  38 (86.4)  0.63 
No 19 (19.4)  19 (20.9)   14 (28.0)  13 (27.7)   5 (10.4)  6 (13.6)   
Missing            
Ever had diabetes                
Yes 27 (27.6)  39 (42.9)  0.03 14 (28.0)  23 (48.9)  0.03 13 (27.1)  16 (36.4)  0.34 
No 71 (72.5)  52 (57.1)   36 (72.0)  24 (51.1)   35 (72.9)  28 (63.6)   
Missing            
Staging data                
Pathology only 7 (7.0)  NA  NA 5 (10.0)  NA  NA 2 (4.0)  NA  NA 
Clinical only 68 (68.0)     35 (70.0)     33 (66.0)     
Pathology and clinical 25 (25.0)     10 (20.0)     15 (30.0)     
CharacteristicOverall
P*Blacks
P*Whites
P*
Cases (n = 100)
Controls (n = 93)
Cases (n = 50)
Controls (n = 49)
Cases (n = 50)
Controls (n = 44)
n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)n (%)Mean (SD)
Age at diagnosis/age at interview (y) 100 62.7 (7.4) 93 63.0 (7.6) 0.78 50 61.2 (8.6) 49 61.8 (8.8) 0.75 50 64.3 (5.6) 44 64.5 (5.7) 0.87 
Height (in.) 98 69.4 (2.6) 89 69.5 (3.1) 0.94 49 69.9 (2.7) 47 69.6 (3.2) 0.84 49 69.3 (2.6) 42 69.5 (3.0) 0.75 
Body mass index (kg/m298 27.8 (4.6) 89 28.7 (5.5) 0.22 49 28.4 (5.2) 47 28.8 (5.9) 0.70 49 27.2 (4.0) 42 28.6 (5.1) 0.16 
Race                
White 50 (50.0)  44 (47.3)  0.71   NA 50 (100.0)  44 (100.0)  NA 
Black 50 (50.0)  49 (52.7)   50 (100.0)  49 (100.0)      
Family history of prostate cancer in a father or a brother                
Yes 17 (17.4)  10 (11.0)  0.21 9 (18.0)  6 (12.8)  0.48 8 (16.7)  4 (9.1)  0.28 
No 81 (82.7)  81 (89.0)   41 (82.0)  41 (87.2)   40 (83.3)  40 (90.9)   
Missing            
High school graduate                
Yes 85 (86.7)  73 (80.2)  0.23 45 (90.0)  40 (85.1)  0.46 40 (83.3)  33 (75.0)  0.32 
No 13 (13.3)  18 (19.8)   5 (10.0)  7 (14.9)   8 (16.7)  11 (25.0)   
Missing            
Ever smoked 100 cigarettes                
Yes 79 (80.6)  72 (79.1)  0.80 36 (72.0)  34 (72.3)  0.97 43 (89.6)  38 (86.4)  0.63 
No 19 (19.4)  19 (20.9)   14 (28.0)  13 (27.7)   5 (10.4)  6 (13.6)   
Missing            
Ever had diabetes                
Yes 27 (27.6)  39 (42.9)  0.03 14 (28.0)  23 (48.9)  0.03 13 (27.1)  16 (36.4)  0.34 
No 71 (72.5)  52 (57.1)   36 (72.0)  24 (51.1)   35 (72.9)  28 (63.6)   
Missing            
Staging data                
Pathology only 7 (7.0)  NA  NA 5 (10.0)  NA  NA 2 (4.0)  NA  NA 
Clinical only 68 (68.0)     35 (70.0)     33 (66.0)     
Pathology and clinical 25 (25.0)     10 (20.0)     15 (30.0)     

NOTE: χ2 test for association between cases and controls unless otherwise noted.

*

t Test for differences between cases and controls.

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