Document Classification

Section Type: RESULTS

Text: 610 participants (74. 7 %) responded to the survey :94. 6 % thought the description of the results was '' very clear '' or '' quite clear '', 5. 4 % '' not clear '' or '' do not know '' ; 89. 8 % considered the results '' very interesting '' or '' quite interesting '', 10. 2 % '' not interesting '' or '' do not know '' ; 60. 3 % expressed '' satisfaction '', 17. 2 % '' both satisfaction and concern '', 2. 6 % '' concern '', 19. 9 % '' indifference '' or '' do not know ''. 480 participants (78. 7 %) accepted the offer to be unmasked to their treatment assignment : 395 (82. 3 %) recalled/understood the possibility of assignment to vitamins or placebo, 85 (17. 7 %) did not.