Data analyses
Data were analyzed in SPSS 27. The data set can be obtained from the third author upon request.The sociodemographic characteristics of the sample are reported in Trillingsgaard et al. (To evaluate the effects of the MCs across the 2‐year period on perceived stress, we constructed a dual‐intercept multilevel model following the recommendations of Kashy et al. (Across the study period, we found some missing data. Of the 462 participants included at baseline, 86.1% (As a total of 13 participants in the intervention group and two participants in the control group reported severe stress on at least one time point, with sum scores ranging from 31 to 39 (To investigate the proportion of participants with reliably change in perceived stress, we calculated the reliable change index (