suggest that this type of only, telephone only, face-to-face intervention was effective in meetings, or a mixture of postal, increasing physical activity. telephone or face-to-face. However the authors included studies with shorter periods of The quality of the studies in this follow up, non randomised current review was limited by a studies (including uncontrolled lack of intention-to-treat analysis before and after studies), and and failure to examine the did not take account of loss to interaction between baseline levels follow up. Only one study was of physical activity and exposure shared by both reviews. to the intervention. Only six studies achieved all of the quality criteria. The observed effects were smaller but more consistent in studies with higher quality scores. Hillsdon, M, Many studies An important finding from this Synthesis of high-quality Elements of this B. These – different review is that relatively brief systematic reviews and intervention are interventions 2005 outcomes interventions, typically analyses of RCTs or funded for are supported Physical measures consisting of one short occasion studies - updates the national by moderate to but all of tailored advice with some first version published in February implementation good quality activity generally follow-up, can lead to at least 2004. 16 included studies. but is evidence of its interventions concerned short-term changes in physical 8 SRs examined the effectiveness dependent on effectiveness with change activity. Less is known about of physical activity interventions in local Health to physical how to help people maintain general practice and hospital components Development activity changes in physical activity that outpatient departments. Evidence which are Agency [NICE] levels might lead to future health suggests: variable benefits. Within each of the • Brief advice from a health Reviews included reviews there are a professional, supported by Individual considerable number of written materials, is likely to be individual studies with positive effective in producing a modest, Working age effects. The wide diversity of short-term (6-12 weeks) effect on adults the interventions employed in physical activity
suggest that this type of intervention was effective in increasing physical activity. However the authors included studies with shorter periods of follow up, non randomised studies (including uncontrolled before and after studies), and did not take account of loss to follow up. Only one study was shared by both reviews. only, telephone only, face-to-face meetings, or a mixture of postal, telephone or face-to-face. The quality of the studies in this current review was limited by a lack of intention-to-treat analysis and failure to examine the interaction between baseline levels of physical activity and exposure to the intervention. Only six studies achieved all of the quality criteria. The observed effects were smaller but more consistent in studies with higher quality scores. Hillsdon, M, 2005 Physical activity interventions Health Development Agency [NICE] Reviews Individual Working age adults Many studies – different outcomes measures but all generally concerned with change to physical activity levels An important finding from this review is that relatively brief interventions, typically consisting of one short occasion of tailored advice with some follow-up, can lead to at least short-term changes in physical activity. Less is known about how to help people maintain changes in physical activity that might lead to future health benefits. Within each of the included reviews there are a considerable number of individual studies with positive effects. The wide diversity of the interventions employed in Synthesis of high-quality systematic reviews and of RCTs or studies - updates the first version published in February 2004. 16 included studies. 8 SRs examined the effectiveness of physical activity interventions in general practice and hospital outpatient departments. Evidence suggests: • Brief advice from a health professional, supported by written materials, is likely to be effective in producing a modest, short-term (6-12 weeks) effect on physical activity Elements of this intervention are funded for national implementation but is dependent on local components which are variable B. These interventions are supported by moderate to good quality evidence of its effectiveness analyses
Physical%20activity%20Evidence%20Review%20Final.docx