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Table 8 Adjusted risk for all statistically significant factors for non-cancer mortality

From: Predictors of competing mortality to invasive breast cancer incidence in the Canadian National Breast Screening study

Variable Parameter Estimate HR (95% CI) P-value
Age at entry 0.11412 1.12 (1.10-1.14) <.0001
Length of estrogen/progesterone used (months) −0.00293 0.997 (0.994-1.000) 0.0398
Ethnic origin (Ref*: Canada)    
 Foreign −1.51760 0.22 (0.10-0.46) <.0001
Had a hysterectomy (Ref: No)    
 Yes 0.28427 1.33 (1.07-1.65) 0.0093
Cigarettes smoked per day (Ref: 0 per day)    <.0001
 Occasionally 0.08311 1.09 (0.51-2.32)  
 1-5 per day 0.27274 1.31 (0.88-1.96) 0.8298
 6-10 per day 0.23232 1.26 (0.88-1.81) 0.1789
 11-25 per day 0.59759 1.82 (1.43-2.31) 0.2057
 26-50 per day 0.96370 2.62 (1.83-3.75) <.0001
 >50 per day 1.76857 5.86 (2.40-14.30)  
    <.0001
0.0001
Ever noted lumps in breasts (Ref: No)    
 Yes 0.49413 1.64 (1.14-2.36) 0.0080
Ever noted discharge from breasts (Ref: No)    
 Yes 0.70502 2.02 (1.20-3.40) 0.0079
  1. Ref*: Reference level.