Skip to Main Content
Table 2.

RR and 95% CI values for the association between BMI and prostate cancer incidence (CPS-II Nutrition Cohort, 1992-2003)


BMI in 1992 (kg/m2)
Ptrend
<25.025.0 to <27.527.5 to <30.030.0 to <35.0≥35.0
All cases       
    No. of cases 1,935 1,742 920 556 99  
    Person-years 171,338 153,585 87,652 57,508 11,344  
    RR (95% CI)* 1.00 (ref) 1.02 (0.95-1.08) 0.95 (0.88-1.03) 0.89 (0.81-0.98) 0.83 (0.68-1.02) 0.003 
    RR (95% CI) 1.00 (ref) 1.02 (0.96-1.09) 0.98 (0.90-1.06) 0.94 (0.85-1.04) 0.91 (0.75-1.12) 0.14 
Nonmetastatic low grade       
    No. of cases 1,544 1,409 700 412 73  
    Person-years 171,338 153,585 87,652 57,508 11,344  
    RR (95% CI)* 1.00 (ref) 1.02 (0.95-1.09) 0.89 (0.81-0.97) 0.81 (0.72-0.90) 0.75 (0.59-0.94) <0.0001 
    RR (95% CI) 1.00 (ref) 1.03 (0.96-1.10) 0.92 (0.84-1.01) 0.86 (0.77-0.97) 0.84 (0.66-1.06) 0.002 
Nonmetastatic high grade       
    No. of cases 239 180 140 103   
    Person-years 171,338 153,585 87,652 68,852   
    RR (95% CI)* 1.00 (ref) 0.87 (0.71-1.05) 1.21 (0.98-1.49) 1.17 (0.93-1.48)§  0.06 
    RR (95% CI) 1.00 (ref) 0.87 (0.72-1.06) 1.23 (1.00-1.53) 1.22 (0.96-1.55)§  0.03 
Stage D or fatal cases       
    No. of cases 92 104 46 46   
    Person-years 171,338 153,585 87,652 68,852   
    RR (95% CI)* 1.00 (ref) 1.40 (1.06-1.86) 1.14 (0.80-1.63) 1.57 (1.09-2.24)§  0.03 
    RR (95% CI) 1.00 (ref) 1.41 (1.06-1.87) 1.14 (0.79-1.63) 1.54 (1.06-2.23)§  0.05 

BMI in 1992 (kg/m2)
Ptrend
<25.025.0 to <27.527.5 to <30.030.0 to <35.0≥35.0
All cases       
    No. of cases 1,935 1,742 920 556 99  
    Person-years 171,338 153,585 87,652 57,508 11,344  
    RR (95% CI)* 1.00 (ref) 1.02 (0.95-1.08) 0.95 (0.88-1.03) 0.89 (0.81-0.98) 0.83 (0.68-1.02) 0.003 
    RR (95% CI) 1.00 (ref) 1.02 (0.96-1.09) 0.98 (0.90-1.06) 0.94 (0.85-1.04) 0.91 (0.75-1.12) 0.14 
Nonmetastatic low grade       
    No. of cases 1,544 1,409 700 412 73  
    Person-years 171,338 153,585 87,652 57,508 11,344  
    RR (95% CI)* 1.00 (ref) 1.02 (0.95-1.09) 0.89 (0.81-0.97) 0.81 (0.72-0.90) 0.75 (0.59-0.94) <0.0001 
    RR (95% CI) 1.00 (ref) 1.03 (0.96-1.10) 0.92 (0.84-1.01) 0.86 (0.77-0.97) 0.84 (0.66-1.06) 0.002 
Nonmetastatic high grade       
    No. of cases 239 180 140 103   
    Person-years 171,338 153,585 87,652 68,852   
    RR (95% CI)* 1.00 (ref) 0.87 (0.71-1.05) 1.21 (0.98-1.49) 1.17 (0.93-1.48)§  0.06 
    RR (95% CI) 1.00 (ref) 0.87 (0.72-1.06) 1.23 (1.00-1.53) 1.22 (0.96-1.55)§  0.03 
Stage D or fatal cases       
    No. of cases 92 104 46 46   
    Person-years 171,338 153,585 87,652 68,852   
    RR (95% CI)* 1.00 (ref) 1.40 (1.06-1.86) 1.14 (0.80-1.63) 1.57 (1.09-2.24)§  0.03 
    RR (95% CI) 1.00 (ref) 1.41 (1.06-1.87) 1.14 (0.79-1.63) 1.54 (1.06-2.23)§  0.05 
*

Adjusted for age at interview.

Adjusted for age at interview, race, education, family history of prostate cancer, total calorie intake, smoking status, history of PSA testing, history of diabetes, and physical activity.

One hundred and sixty-four nonmetastatic low-grade cases excluded due to missing Gleason score information.

§

This value is for BMI 30 to <35 and BMI ≥35 groups combined.

Close Modal

or Create an Account

Close Modal
Close Modal