translate English to French: Those who perceived themselves to be of less than average fitness were at increased risk of mortality (male RR = 1.64, 95% CI = 1.21–2.22; female RR = 1.66, 95% CI = 1.21–2.26).
Les personnes qui pensaient être moins en forme que la moyenne couraient un risque plus élevé de décès (RT chez les hommes = 1,64, IC à 95 % = 1,21 – 2,22; RT chez les femmes = 1,66, IC à 95 % = 1,21-2,26).