Table 1

Selected characteristics of prostate cancer patients and population controls, Shanghai, China

CasesControls
n%n%
Total238100.0471100.0
Age at interview
<60104.2102.1
60–696728.212025.5
70–7911749.226756.7
≥804418.57415.7
Marital status
Married21489.944093.4
Widowed/Separated/Divorced2410.1275.7
Never married00.040.9
Education
≤Primary school10343.323449.7
Junior high5924.811324.0
Senior high4016.86814.4
≥College3615.15611.9
Smoking
Nonsmokers10042.017436.9
Former smokers6426.912125.7
Current smokers7431.117637.4
Drinking
Nondrinkers15966.827458.2
Former drinkers3514.7367.6
Current drinkers4418.516134.2
Clinical stage
Localized7933.2
Regional7431.1
Remote7832.8
Unstaged72.9
Histological grade
Well differentiated229.2
Moderately differentiated7330.7
Poorly differentiated8837.0
Could not be assessed5523.1