RESULTS	For the secondary outcomes , small but significant effects were found for general health ( Cohen 's d = 0.14 , P = .01 ) , vitality ( d = 0.22 , P = .02 ) , anxiety symptoms ( Cohen 's d = 0.32 , P = .001 ) , and depressive symptoms ( Cohen 's d = 0.36 , P = .02 ) .\