Association between life-course leisure-time physical activity and prostate cancer

Abstract

Objective. To evaluate the association between life-course leisure-time physical activity (PA) and prostate cancer (PC) among males living in Mexico City. Materials and meth­ods. Information from 394 incident PC cases and 794 popula­tion controls matched by age (± 5 years), was analyzed. Using leisure-time PA information at different life stages, life-course PA patterns were constructed. The association between PA and PC was estimated using an unconditional logistic regres­sion model. Results. Three life-course PA patterns were identified: low PA (71.0%), moderate PA (22.0%), and high PA (7.0%); this last pattern was characterized by higher levels and consistent PA practice. Compared with inactive males, those in the high PA pattern (OR: 0.50; 95%CI: 0.26-0.93) had significantly lower PC odds. Conclusion. Intense and regular PA could reduce the possibility of PC. These results are in accordance with PA World Health Organization rec­ommendations.