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Adherence to physical and mental activity interventions: coping plans as a mediator and prior adherence as a moderator
- Authors:
- EVERS Andrea, et al
- Journal article citation:
- British Journal of Health Psychology, 17(3), September 2012, pp.477-491.
- Publisher:
- Wiley
Adherence to behavioural intervention programmes is necessary for beneficial outcomes. This study tested whether social cognitive variables and coping plans predicted such adherence. Participants included healthy older women from Berlin, Germany, who were randomised to a physical (N= 86) or a mental (N= 85) activity intervention. Intentions, self-efficacies, coping plans, and objectively measured adherence levels were assessed. Findings indicated that adherence to the physical activity programme (65%) was significantly lower than adherence to the mental activity programme (84). Intentions weakly predicted adherence in the initiation period of the physical activity programme. In both groups, coping plans predicted long-term adherence, moderated by prior adherence. In conclusion, instructing older individuals to generate coping plans facilitated their adherence to physical and mental activity programmes, which may help prevent them from dropping out of the programme.
Improving cognition by adherence to physical or mental exercise: a moderated mediation analysis
- Authors:
- EVERS Andrea, et al
- Journal article citation:
- Aging and Mental Health, 15(4), May 2011, pp.446-455.
- Publisher:
- Taylor and Francis
This study investigates the effects of adherence to physical or mental exercise on cognitive ability in older people. Two hundred and twenty nine healthy older women, from Berlin, Germany, took part in a six month randomised controlled trial. Five tests measuring episodic and working memory were undertaken pre and post intervention. Findings revealed that both physical and mental activity groups performed better over time than the control group. Adherence predicted cognitive performance. The indirect effect of the activity mode on cognitive performance through adherence was especially seen when levels of baseline composite scores were low. In conclusion, healthy older women can improve episodic and working memory through spending time on challenging physical or mental activities. Results were most pronounced for the cognitively less fit.