Effects of nature-based mindfulness training on depression among adults with childhood adversity: a randomised controlled trial

INTERVENTION: Nature‐Based Mindfulness Training (NBMT):8‐week Nature‐Based Mindfulness Training;Mindfulness‐Based Cognitive Therapy (MBCT):8‐week Mindfulness‐Based Cognitive Therapy; CONDITION: Depression awith childhood adversity PRIMARY OUTCOME: Depressive symptoms; SECONDARY OUTCOME: Anxiety symptoms;Quality of Life;Attention;Rumination;Mindfulness; INCLUSION CRITERIA: 1) Aged 18 years or above 2) Screened by the Patient Health Questionnaire depression scale (PHQ‐9) with at least moderate depressive symptoms (i.e. a PHQ score of 10 or above) 3) ACE histories will be collected using the Adverse Childhood Experiences—International Questionnaire (ACE‐IQ) with at least one ACE