Document Classification

Section Type: RESULTS

Text: However, fewer participants receiving vitamin E acquired 1 or more respiratory tract infections (60 % vs 68 % ; risk ratio [RR], 0. 88 ; 95 % confidence interval [CI], 0. 76-1. 00 ; P =. 048 for all participants ; and 65 % vs 74 % ; RR, 0. 88 ; 95 % CI, 0. 75-0. 99 ; P =. 04 for completing participants), or upper respiratory tract infections (44 % vs 52 % ; RR, 0. 84 ; 95 % CI, 0. 69-1. 00 ; P =. 05 for all participants ; and 50 % vs 62 % ; RR, 0. 81 ; 95 % CI, 0. 66-0. 96 ; P =. 01 for completing participants).