Web-based mindfulness program linked to greater stress reduction in some healthcare workers
A secondary analysis of 347 healthcare professionals in a stepped-wedge randomized trial found that a self-guided 8-week digital mindfulness program (MINDxYOU) reduced perceived stress more in participants with higher baseline depression scores and certain mindfulness traits, and more in nurses than physicians.
Healthcare professionals face sustained occupational stress and emotional exhaustion, and digital mindfulness interventions show promise in improving well-being. This secondary analysis examined 347 healthcare workers from 6 clusters who were randomly assigned to receive the MINDxYOU program—an 8-week, self-guided web-based intervention incorporating mindfulness, compassion, and acceptance-based techniques—at different start times in a stepped-wedge design.
Weekly support was offered via WhatsApp, phone, or email. Linear mixed-effects models tested whether baseline demographic, occupational, and psychological traits predicted who benefited most. Participants with higher baseline depressive symptom scores (PHQ-9) showed greater stress reductions (B=−0.22, P=.004), as did those with stronger baseline scores on the "observing" facet of mindfulness (FFMQ-15; B=−0.86, P=.04). Nursing staff experienced larger stress reductions than physicians (B=1.92, P=.02) and other healthcare professionals (B=1.80, P=.04). The findings suggest that entry-level psychological state and occupational role predict differential benefit from the program, though the study was a secondary analysis of effectiveness data rather than a trial designed specifically to test moderators.
The analysis probed deeper into response heterogeneity using condition × moderator interactions. For depressive symptoms, each 1-point increase in baseline PHQ-9 score was associated with an additional 0.22-point reduction in perceived stress through the program—a modest but statistically significant effect. The observing facet (noticing thoughts and sensations without judgment) showed a B coefficient of −0.86, meaning participants already high in this skill benefited more, possibly because they had existing capacity to deploy mindfulness practices. The occupational role findings are striking: nursing staff showed stress reductions 1.92 points larger than physicians and 1.80 points larger than other professionals, suggesting either greater engagement in the program, greater pre-intervention stress levels creating room for improvement, or job-specific stressors that mindfulness addresses particularly well. No significant interactions emerged for age, sex, baseline anxiety, or other traits examined. A key limitation is that this is a post-hoc secondary analysis; the trial was not designed to test moderators, so these patterns require replication in a confirmatory cohort.
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