Analysing N-of-1 observational data in health psychology and behavioural medicine: a 10-step SPSS tutorial for beginners

Article


McDonald, Suzanne, Vieira, Rute and Johnston, Derek W.. 2020. "Analysing N-of-1 observational data in health psychology and behavioural medicine: a 10-step SPSS tutorial for beginners." Health Psychology and Behavioral Medicine. 8 (1), pp. 32-54. https://doi.org/10.1080/21642850.2019.1711096
Article Title

Analysing N-of-1 observational data in health psychology and behavioural medicine: a 10-step SPSS tutorial for beginners

ERA Journal ID210542
Article CategoryArticle
AuthorsMcDonald, Suzanne (Author), Vieira, Rute (Author) and Johnston, Derek W. (Author)
Journal TitleHealth Psychology and Behavioral Medicine
Journal Citation8 (1), pp. 32-54
Number of Pages22
Year2020
PublisherTaylor & Francis
Place of PublicationUnited Kingdom
ISSN2164-2850
Digital Object Identifier (DOI)https://doi.org/10.1080/21642850.2019.1711096
Web Address (URL)https://www.tandfonline.com/doi/full/10.1080/21642850.2019.1711096
Abstract

Background: N-of-1 observational studies can be used to describe natural intra-individual changes in health-related behaviours or symptoms over time, to test behavioural theories and to develop highly personalised health interventions. To date, N-of-1 observational methods have been under-used in health psychology and behavioural medicine. One reason for this may be the perceived complexity of statistical analysis of N-of-1 data.

Objective: This tutorial paper describes a 10-step procedure for the analysis of N-of-1 observational data using dynamic regression modelling in SPSS for researchers, students and clinicians who are new to this area. The 10-step procedure is illustrated using real data from an N-of-1 observational study exploring the relationship between pain and physical activity.

Conclusion: The availability of a user-friendly and robust statistical technique for the analysis of N-of-1 data using SPSS may foster increased awareness, knowledge and skills and establish N-of-1 designs as a useful methodological tool in health psychology and behavioural medicine.

KeywordsN-of-1; single-case study; observational; statistical analysis; dynamic regression modelling
ANZSRC Field of Research 2020520399. Clinical and health psychology not elsewhere classified
Public Notes

© 2020 The Authors

Byline AffiliationsUniversity of Queensland
University of Aberdeen, United Kingdom
Open access urlhttps://www.tandfonline.com/doi/full/10.1080/21642850.2019.1711096
Institution of OriginUniversity of Southern Queensland
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