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© 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. There are no literature reviews that have examined the impact of health-domain interventions, informed by self-determination theory (SDT), on SDT constructs and health indices. Our aim was to meta-analyse such interventions in the health promotion and disease management literatures. Studies were eligible if they used an experimental design, tested an intervention that was based on SDT, measured at least one SDT-based motivational construct, and at least one indicator of health behaviour, physical health, or psychological health. Seventy-three studies met these criteria and provided sufficient data for the purposes of the review. A random-effects meta-analytic model showed that SDT-based interventions produced small-to-medium changes in most SDT constructs at the end of the intervention period, and in health behaviours at the end of the intervention period and at the follow-up. Small positive changes in physical and psychological health outcomes were also observed at the end of the interventions. Increases in need support and autonomous motivation (but not controlled motivation or amotivation) were associated with positive changes in health behaviour. In conclusion, SDT-informed interventions positively affect indices of health; these effects are modest, heterogeneous, and partly due to increases in self-determined motivation and support from social agents.

Supplemental material, sj-docx-4-bjp-10.1177_20494637211025560 for Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review by Nirlas Shantilal Bathia, Robyn E McAskill, Jennie E Hancox and Roger D Knaggs in British Journal of Pain

Supplemental material, sj-docx-2-bjp-10.1177_20494637211025560 for Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review by Nirlas Shantilal Bathia, Robyn E McAskill, Jennie E Hancox and Roger D Knaggs in British Journal of Pain

Supplemental material, sj-docx-2-bjp-10.1177_20494637211025560 for Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review by Nirlas Shantilal Bathia, Robyn E McAskill, Jennie E Hancox and Roger D Knaggs in British Journal of Pain

Supplemental material, sj-docx-3-bjp-10.1177_20494637211025560 for Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review by Nirlas Shantilal Bathia, Robyn E McAskill, Jennie E Hancox and Roger D Knaggs in British Journal of Pain

Supplemental material, sj-docx-3-bjp-10.1177_20494637211025560 for Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review by Nirlas Shantilal Bathia, Robyn E McAskill, Jennie E Hancox and Roger D Knaggs in British Journal of Pain

Supplemental material, sj-docx-1-bjp-10.1177_20494637211025560 for Collaboration between adult patients and practitioners when making decisions about prescribing opioid medicines for chronic non-cancer pain in primary care: a scoping review by Nirlas Shantilal Bathia, Robyn E McAskill, Jennie E Hancox and Roger D Knaggs in British Journal of Pain

The evidence base pointing towards the maladaptive health consequences of an inactive lifestyle highlights the need for interventions that are effective in changing and maintaining physical activity behaviours. Theories of motivation are frequently applied to inform the content and delivery of such interventions. Systematic monitoring and evaluation of the quality of intervention implementation is therefore an important step in understanding if and how theories of motivation can be adopted and effectively applied to promote and/or sustain physical activity behaviours. However, intervention implementation quality in studies that aim to apply motivation theory to promote physical activity is often under-reported. The purpose of this article is, first, to review contemporary approaches used to monitor and evaluate intervention implementation; we outline the degree to which these methods have been used effectively in research concerned with applying theories of motivation to impact physical activity behaviours. Second, we identify and discuss specific challenges in effectively measuring quality of implementation faced by researchers who adopt a motivation theory basis to their work. Finally, recommendations for methods to monitor and evaluate intervention implementation in future trials aiming to promote physical activity based on theories of motivation are also proposed.