Background Behaviour change interventions that promote physical activity have major
implications for health and well-being. Measuring intervention fidelity is crucial in …

Assessing fidelity of behavioural interventions is important, but demanding and rarely done.
This study assessed adherence to behaviour change techniques used in an intervention to …

Background Self-efficacy is an important determinant of physical activity but it is unclear how
best to increase self-efficacy for physical activity and to maintain these changes. Purpose …

Although extensive research suggests that behavior change interventions can improve
physical activity (PA) over the course of an intervention, the maintenance of these …

Physical inactivity and sedentary behavior relate to poor health outcomes independently.
Healthy inactive adults are a key target population for prevention. This systematic review …

Objectives Existing fidelity studies of physical activity interventions are limited in
methodological quality and rigour, particularly those delivered by health care providers in …

Objectives Intervention participants' responses to and engagement with interventions are a
key intermediate step between interventions and intended outcomes. The aim of this study …

Background: Interventions to change behaviour have substantial potential to impact
positively on individual and overall public health. Despite an increasing focus on health …

Objectives: To identify the definitions used for treatment fidelity in the behaviour change
literature and to explore the extent to which the assessment of fidelity has been reported …

Background Fidelity assessment of behaviour change interventions is vital to understanding
trial outcomes. This study assesses the delivery fidelity of behaviour change techniques …