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Mindfulness-based cognitive therapy v. group psychoeducation for people with generalised anxiety disorder: randomised
Samuel Yeung Shan Wong1, Benjamin Hon Kei Yip2, Winnie Wing Sze Mak2
1Samuel Yeung Shan Wong, MD, Benjamin Hon Kei Yip, PhD, Division of Family Medicine and Primary Care, Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, New Territories, Hong Kong; Winnie Wing Sze Mak, PhD, Department of Psychology, The Chinese University of Hong Kong, New Territories, Hong Kong; Stewart Mercer, MD, Institute of Health and Wellbeing, The University of Glasgow, Glasgow, UK; Eliza Yee Lai Cheung, PhD, Hong Kong Red Cross Headquarters, Hong Kong; Candy Yuet Man Ling, MSSc, New Life Psychiatric Rehabilitation Association, Kowloon, Hong Kong; Wacy Wai Sze Lui, MSSc, Hospital Authority, Kowloon, Hong Kong; Wai Kwong Tang, MD, Department of Psychiatry, The Chinese University of Hong Kong, New Territories, Hong Kong; Herman Hay Ming Lo, PhD, Department of Applied Social Studies, The City University of Hong Kong, Hong Kong; Justin Che Yuen Wu, MD, Institute of Integrative Medicine, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong; Tatia Mei Chun Lee, PhD, Department of Psychiatry and Department of Medicine, The University of Hong Kong, Hong Kong Island, Hong Kong; Ting Gao, MSc, Sian M. Griffiths, MSc, Division of Family Medicine and Primary Care, Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, New Territories, Hong Kong; Peter Hoi Sing Chan, MSSc, Holy Trinity Bradbury Centre, Kowloon City, Kowloon, Hong Kong; Helen Shuk Wah Ma, PhD, Centre of Buddhist Studies, The University of Hong Kong, Hong Kong Island, Hong Kong, China yeungshanwong@cuhk.edu.hk.
Background:
Research suggests that an 8-week mindfulness-based cognitive therapy (MBCT) course may be effective for generalised anxiety disorder (GAD).
Aims:
To compare changes in anxiety levels among participants with GAD randomly assigned to MBCT, cognitive-behavioural therapy-based psychoeducation and usual care.
Method:
In total, 182 participants with GAD were recruited (trial registration number: CUHK_CCT00267) and assigned to the three groups and followed for 5 months after baseline assessment with the two intervention groups followed for an additional 6 months. Primary outcomes were anxiety and worry levels.
Results:
Linear mixed models demonstrated significant group × time interaction (F(4,148) = 5.10, P = 0.001) effects for decreased anxiety for both the intervention groups relative to usual care. Significant group × time interaction effects were observed for worry and depressive symptoms and mental health-related quality of life for the psychoeducation group only.
Conclusions:
These results suggest that both of the interventions appear to be superior to usual care for the reduction of anxiety symptoms.
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