Dignity therapy was associated with a decrease in depression scores ( median , 95 % confidence interval [ CI ] : -4.00 , -6.00 to -2.00 , p < 0.0001 ; -4.00 , -7.00 to -1.00 , p = 0.010 ; -5.00 , -8.00 to -1.00 , p = 0.043 , for T2 , T3 , and T4 , respectively ) .