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Featured researches published by Saskia Muellmann.


Preventive Medicine | 2018

Effectiveness of eHealth interventions for the promotion of physical activity in older adults: A systematic review

Saskia Muellmann; Sarah Forberger; Tobias Möllers; Eileen Bröring; Hajo Zeeb; Claudia R. Pischke

Regular physical activity (PA) is central to healthy ageing. However, only a minority of older adults currently meet the WHO-recommended PA levels. The aim of this systematic review is to compare the effectiveness of eHealth interventions promoting PA in older adults aged 55years and above with either no intervention or a non-eHealth intervention (review registration: PROSPERO CRD42015023875). Eight electronic databases were searched to identify experimental and quasi-experimental studies examining the effectiveness of eHealth interventions for PA promotion in adults aged 55years and above. Two authors independently selected and reviewed references, extracted data, and assessed study quality. In the search, 5771 records were retrieved, 20 studies met all inclusion criteria. Studies varied greatly in intervention mode, content, duration and assessed outcomes. Study quality ranged from poor to moderate. All interventions comprised tailored PA advice and the majority of interventions included goal setting and feedback, as well as PA tracking. Participation in eHealth interventions to promote PA led to increased levels of PA in adults aged 55years and above when compared to no intervention control groups, at least in the short term. However, the results were inconclusive regarding the question of whether eHealth interventions have a greater impact on PA behavior among older adults than non-eHealth interventions (e.g., print interventions). eHealth interventions can effectively promote PA in older adults aged 55years and above in the short-term, while evidence regarding long-term effects and the added benefit of eHealth compared to non-eHealth intervention components is still lacking.


BMC Public Health | 2017

Views of policy makers and health promotion professionals on factors facilitating implementation and maintenance of interventions and policies promoting physical activity and healthy eating: results of the DEDIPAC project

Saskia Muellmann; Berit Steenbock; Katrien De Cocker; Marieke De Craemer; Catherine Hayes; Miriam P. O’Shea; Karolina Horodyska; Justyna Bell; Aleksandra Luszczynska; Gun Roos; Lars Jørun Langøien; Gro Rugseth; Laura Terragni; Ilse De Bourdeaudhuij; Johannes Brug; Claudia R. Pischke

BackgroundThe uptake, implementation, and maintenance of effective interventions promoting physical activity (PA) and a healthy diet and the implementation of policies targeting these behaviors are processes not well understood. We aimed to gain a better understanding of what health promotion professionals and policy makers think are important factors facilitating adoption, implementation, and maintenance of multi-level interventions and policies promoting healthy eating and PA in Belgium, Germany, Ireland, Norway, and Poland.MethodsSix interventions and six policies were identified based on pre-defined criteria. Forty semi-structured interviews were conducted with stakeholders from various sectors to elicit information on factors impacting adoption, implementation, and maintenance of these interventions and policies. All interview transcripts were coded in NVivo, using a common categorization matrix. Coding in the respective countries was done by one researcher and validated by a second researcher.ResultsActive involvement of relevant stakeholders and good communication between coordinating organizations were described as important factors contributing to successful adoption and implementation of both interventions and policies. Additional facilitating factors included sufficient training of staff and tailoring of materials to match needs of various target groups. The respondents indicated that maintenance of implemented interventions/policies depended on whether they were embedded in existing or newly created organizational structures in different settings and whether continued funding was secured.ConclusionsDespite considerable heterogeneity of interventions and health policies in the five countries, stakeholders across these countries identify similar factors facilitating adoption, implementation, and maintenance of these interventions and policies.


BMC Public Health | 2016

Development and evaluation of the efficacy of a web-based 'social norms'-intervention for the prevention and reduction of substance use in a cluster-controlled trial conducted at eight German universities

Stefanie M. Helmer; Saskia Muellmann; Hajo Zeeb; Claudia R. Pischke

BackgroundPrevious research suggests that perceptions of peer substance use are associated with personal use. Specifically, overestimating use in the peer group is predictive of higher rates of personal substance use. ‘Social norms’-interventions are based on the premise that changing these misperceived social norms regarding substance use by providing feedback on actual norms is associated with a reduction in personal substance use. Studies conducted in the U.S.A. suggest that ‘social norms’-feedback is an effective strategy for reducing substance use among university students. It is unknown whether the effects of a ‘social norms’-feedback on substance use can be replicated in a sample of German university students. The objective of this article is to describe the study design and aims of the ‘INternet-based Social norms-Intervention for the prevention of substance use among Students’ (INSIST)-study, a cluster-controlled trial examining the effects of a web-based ‘social norms’- intervention in students enrolled at four intervention universities with those enrolled at four delayed intervention control universities. The INSIST-study is funded by the German Federal Ministry of Health.Methods/DesignEight universities in four regions in Germany will take part in the study, four serving as intervention and four as delayed intervention control universities (randomly selected within a geographic region). Six hundred students will be recruited at each university and will be asked to complete a web-based survey assessing personal and perceived substance use/attitudes towards substance use at baseline. These data will be used to develop the web-based ‘social norms’-feedback tailored to gender and university. Three months after the baseline survey, students at intervention universities will receive the intervention. Two months after the launch of the intervention, students of all eight universities will be asked to complete the follow-up questionnaires to assess changes in perceptions of/attitudes toward peer substance use and rates of personal substance use.DiscussionThis study is the first German cluster-controlled trial investigating the influence of a web-based ‘social norms’-intervention on perceptions of/attitudes towards substance use and substance use behavior in a large university student sample. This study will provide new information on the efficacy of this intervention strategy in the German university context.Trial registrationDRKS00007635 at the ‘German Clinical Trials Register’ (17.12.2014).


Systematic Reviews | 2016

Effectiveness of eHealth interventions for the promotion of physical activity in older adults: a systematic review protocol

Saskia Muellmann; Sarah Forberger; Tobias Möllers; Hajo Zeeb; Claudia R. Pischke


BMC Public Health | 2017

Development and evaluation of two web-based interventions for the promotion of physical activity in older adults: study protocol for a community-based controlled intervention trial

Saskia Muellmann; Inna Bragina; Claudia Voelcker-Rehage; Eric Rost; Sonia Lippke; Jochen Meyer; Jochen Schnauber; Merlin Wasmann; Merle Toborg; Frauke Koppelin; Tilman Brand; Hajo Zeeb; Claudia R. Pischke


Innovation in Aging | 2017

PROMOTE: TAILORING PHYSICAL ACTIVITY INTERVENTIONS TO PROMOTE HEALTHY AGEING

Inna Bragina; Sonia Lippke; Claudia R. Pischke; Jochen Meyer; Saskia Muellmann; Eric Rost; Hajo Zeeb; Claudia Voelcker-Rehage


Bundesgesundheitsblatt-gesundheitsforschung-gesundheitsschutz | 2017

Förderung einer ausgewogenen Ernährung und körperlicher Aktivität von Kindern

Berit Steenbock; Saskia Muellmann; Hajo Zeeb; Claudia R. Pischke


International Journal of Behavioral Medicine | 2016

Views of policy makers and intervention implementes on factors facilitating the implementation and transferability of interventions and policies for the promotion of physical activity and a healthy diet in Europe

Claudia R. Pischke; Saskia Muellmann; Berit Steenbock; H. Zeeb; K. De Cocker; M. De Craemer; Catherine Hayes; M.P. O'Shea; Karolina Horodyska; Justyna Bell; Aleksandra Luszczynska; Gun Roos; Lars Jørun Langøien; Gro Rugseth; Laura Terragni; I. De Bourdeaudhuij; Johannes Brug


European Journal of Public Health | 2016

Factors facilitating policies promoting healthy eating: findings from DEDIPAC case studies in NorwayGun Roos

Gun Roos; Lars Jørun Langøien; Laura Terragni; Gro Rugseth; K. De Cocker; Catherine Hayes; Karolina Horodyska; Aleksandra Luszczynska; Saskia Muellmann; Claudia R. Pischke


European Journal of Public Health | 2016

EHealth interventions for the promotion of physical activity in older adults: a systematic reviewSaskia Muellmann

Saskia Muellmann; S Forberger; T Möllers; E Bröring; Hajo Zeeb; Claudia R. Pischke

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Gun Roos

National Institute for Consumer Research

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Karolina Horodyska

University of Social Sciences and Humanities

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Lars Jørun Langøien

Norwegian School of Sport Sciences

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Aleksandra Luszczynska

University of Social Sciences and Humanities

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Gro Rugseth

Norwegian School of Sport Sciences

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