Background: Computerized cognitive behaviour therapy (CCBT) programs can provide a useful self-help approach to the treatment of psychological problems. Previous studies have shown that CCBT has moderate effects on depression, insomnia, and anxiety. The present study investigated whether a supplement drink that includes L-carnosine enhances the effect of CCBT on psychological well-being. Methods: Eighty-seven participants were randomly allocated to a control group, CCBT, or CCBT with supplement drink. The CCBT and CCBT with supplement drink groups received six weekly self-help CCBT program instalments, which consisted of psycho-education about stress management and coping, behaviour activation, and cognitive restructuring. The CCBT group consumed a bottle of the supplement soft drink every morning through the 6 weeks. This program was delivered by an e-learning system on demand and also included a self-help guidebook. Seventy-two participants completed the program or were assess at the end of the study. Results: ANOVA revealed that there were significant interactions (times × groups) for POMS tension-anxiety and fatigue. The CCBT group showed significantly improved tension-anxiety scores, whereas the CCBT with drink group showed significant improvements on fatigue. Conclusion: The self-help CCBT program reduced the subjective experience of tension-anxiety in this group of workers. The addition of a supplement drink enhanced the effect of CCBT on fatigue, providing one possible approach to enhancement of such programs. Trial registration: This study was registered on September 2, 2016 at UMIN. The registration number is UMIN000023903.
CITATION STYLE
Shirotsuki, K., Nonaka, Y., Abe, K., Adachi, S. ichiro, Adachi, S., Kuboki, T., & Nakao, M. (2017). The effect for Japanese workers of a self-help computerized cognitive behaviour therapy program with a supplement soft drink. BioPsychoSocial Medicine, 11(1). https://doi.org/10.1186/s13030-017-0109-5
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