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Int. J. Environ. Res. Public Health 2014, 11(2), 1885-1903; doi:10.3390/ijerph110201885
Article

Correlates of the Intention to Implement a Tailored Physical Activity Intervention: Perceptions of Intermediaries

1,* , 1
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1
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1
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2,3
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1 Department of Psychology and Educational Sciences, Open University of the Netherlands, Heerlen, P.O. Box 2960, Heerlen 6401 DL, The Netherlands 2 Department of Health Promotion, Maastricht University, Maastricht University Medical Centre, P.O. Box 616, Maastricht 6200 MD, The Netherlands 3 Care and Public Health Research Institute (Caphri), Maastricht University, Maastricht 6200 MD, The Netherlands
* Author to whom correspondence should be addressed.
Received: 20 November 2013 / Revised: 15 January 2014 / Accepted: 17 January 2014 / Published: 10 February 2014
(This article belongs to the Special Issue Health Behavior and Public Health)
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Abstract

The public health impact of health behaviour interventions is highly dependent on large-scale implementation. Intermediaries—intervention providers—determine to a large extent whether an intervention reaches the target population, and hence its impact on public health. A cross-sectional study was performed to identify the correlates of intermediaries’ intention to implement a computer-tailored physical activity intervention. According to theory, potential correlates are intervention characteristics, organisational characteristics, socio-political characteristics and intermediary characteristics. This study investigated whether intermediary characteristics mediated the association between the intervention, organisational and socio-political characteristics and intention to implement the intervention. Results showed that intervention characteristics (i.e., observability (B = 0.53; p = 0.006); relative advantage (B = 0.79; p = 0.020); complexity (B = 0.80; p < 0.001); compatibility (B = 0.70; p < 0.001)), organisational characteristics (i.e., type of organization (B = 0.38; p = 0.002); perceived task responsibility (B = 0.66; p ≤ 0.001); capacity (B = 0.83; p < 0.001)), and the social support received by intermediary organisations (B = 0.81; p < 0.001) were associated with intention to implement the intervention. These factors should thus be targeted by an implementation strategy. Since self-efficacy and social norms perceived by the intermediary organisations partially mediated the effects of other variables on intention to implement the intervention (varying between 29% and 84%), these factors should be targeted to optimise the effectiveness of the implementation strategy.
Keywords: intervention implementation; hypothesized determinants of implementation intention; tailored intervention; intervention characteristics; organisational characteristics; socio-political characteristics; intermediary characteristics intervention implementation; hypothesized determinants of implementation intention; tailored intervention; intervention characteristics; organisational characteristics; socio-political characteristics; intermediary characteristics
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Peels, D.; Mudde, A.; Bolman, C.; Golsteijn, R.; de Vries, H.; Lechner, L. Correlates of the Intention to Implement a Tailored Physical Activity Intervention: Perceptions of Intermediaries. Int. J. Environ. Res. Public Health 2014, 11, 1885-1903.

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