Figure 1. Hazard ratio (95% CIs) of prostate cancer diagnosis by fifths of red blood cell indices.
HRs are stratified by region and age at recruitment and adjusted for age (underlying time variable), Townsend deprivation score, racial/ethnic group, height, lives with a wife or partner, BMI, cigarette smoking, alcohol consumption and diabetes. HRs per 1 SD increase are adjusted for regression dilution bias. Abbreviations: BMI=body mass index; CI=confidence intervals; HR=hazard ratio; IQR=interquartile range; SD=standard deviation.