Compared to TAU , MBCT showed sustained reductions at follow-up in perceived stress ( p < .001 , d = .76 ) , anxiety ( p < .001 , assessed by HADS d = .83 ; assessed by POMS d = .92 ) , and HADS depressive symptoms ( p = .004 , d = .51 ) , but not POMS depressive symptoms when using Bonferroni correction for multiple testing ( p = .016 , d = .48 ) .