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Nursing Research and Practice
Volume 2014 (2014), Article ID 356153, 8 pages
Research Article

Applying Theory to Understand and Modify Nurse Intention to Adhere to Recommendations regarding the Use of Filter Needles: An Intervention Mapping Approach

1CHU de Québec, 2705 boulevard Laurier, Quebec City, QC, Canada G1V 2L9
2Population Health and Optimal Health Practices, CHU de Québec Research Centre, 10 rue de l’Espinay, Quebec City, QC, Canada G1L 3L5
3Nursing Directorate, CHU de Québec, 11 Côte du Palais, Quebec City, QC, Canada G1R 2J6
4Faculty of Nursing, Université Laval, 2325 rue de l’Université, Quebec City, QC, Canada G1V 0A6

Received 11 April 2014; Revised 26 May 2014; Accepted 22 June 2014; Published 10 July 2014

Academic Editor: Maria Cecilia Gallani

Copyright © 2014 Julianne Cassista et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The manipulation of glass ampoules involves risk of particle contamination of parenteral medication, and the use of filter needles has often been recommended in order to reduce the number of particles in these solutions. This study aims to develop a theory-based intervention to increase nurse intention to use filter needles according to clinical guideline recommendations produced by a large university medical centre in Quebec (Canada). Using the Intervention Mapping framework, we first identified the psychosocial determinants of nurse intention to use filter needles according to these recommendations. Second, we developed and implemented an intervention targeting nurses from five care units in order to increase their intention to adhere to recommendations on the use of filter needles. We also assessed nurse satisfaction with the intervention. In total, 270 nurses received the intervention and 169 completed the posttest questionnaire. The two determinants of intention, that is, attitude and perceived behavioral control, were significantly higher after the intervention, but only perceived behavioral control remained a predictor of intention. In general, nurses were highly satisfied with the intervention. This study provides support for the use of Intervention Mapping to develop, implement, and evaluate theory-based interventions in order to improve healthcare professional adherence to clinical recommendations.