Note(s): All predictors were interacted with a time dummy (=1 if post-program and = 0 if pre-program). Random-intercept models were used in all outcomes except stress, for which a model with random intercept + slope was used. Standard errors are reported in parenthesis. Stars denote levels of statistical significance:'.10, ** 0.05, *** 0.01., ****.001. Excluding Sample 3 and 4 showed that for higher income individuals, self-concept clarity increased less (β_interaction = −0.24, p = 0.003, %95 CI = [−0.391, −0.082]) but changes in stress did not differ (βinter = 0.07, p = 0.438, %95 CI = [−0.105, 0.242]). Higher conscientiousness was also associated with smaller changes in self-concept clarity (β_interaction = −0.15, p = 0.013, %95 CI = [−0.267, −0.031]) and perceived stress (β_interaction = 0.16, p = 0.011, %95 CI = [0.037, 0.279]), but only marginally for personal growth (β_interaction = −0.13, p = 0.099, %95 CI = [−0.285, 0.024]). The differences in growth per public administration was not significant (β_interaction = 0.12, p = 0.350, %95 CI = [−0.126, 0.355]). Similarly, differences in stress per Asian was only marginally significant (β_interaction = −0.23, p = 0.073, %95 CI = [−0.480, 0.021]). Individuals with higher emotional variability reported larger reductions in stress (β_interaction = −0.17, p = 0.001, %95 CI = [−0.269, −0.068]). For purpose in life (β_interaction = −0.04, p = 0.022, %95 CI = [−0.080, −0.006]) and stress (β_interaction = 0.09, p = 0.003, %95 CI = [0.030, 0.145]) but only marginally for personal growth (β_interaction = −0.04, p = 0.099, %95 CI = [−0.076, 0.007]) the changes became smaller in magnitude as the follow-up period increased