Fig. 1From: Happy Family Kitchen II: a cluster randomized controlled trial of a community-based positive psychology family intervention for subjective happiness and health-related quality of life in Hong KongConsolidated Standards of Reporting Trials (CONSORT) flow diagram of participants in Happy Family Kitchen II trial through each stage of the study [5]. The core program contents of groups A and B were identical. Subjective happiness and mental and physical quality of life were not assessed immediately postinterventionBack to article page