The lowest HR for mortality was found in light joggers ( HR : 0.22 ; 95 % CI : 0.10 to 0.47 ) , followed by moderate joggers ( HR : 0.66 ; 95 % CI : 0.32 to 1.38 ) and strenuous joggers ( HR : 1.97 ; 95 % CI : 0.48 to 8.14 ) .