The state of the art and future opportunities for using longitudinal n-of-1 methods in health behaviour research: a systematic literature overview

McDonald, Suzanne, Quinn, Francis, Vieira, Rute, O'Brien, Nicola, White, Martin, Johnston, Derek W. and Sniehotta, Falko F. (2017) The state of the art and future opportunities for using longitudinal n-of-1 methods in health behaviour research: a systematic literature overview. Health Psychology Review, 11 (4). pp. 307-323. ISSN 1743-7199

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Official URL: https://doi.org/10.1080/17437199.2017.1316672

Abstract

n-of-1 studies test hypotheses within individuals based on repeated measurement of variables within the individual over time. Intra-individual effects may differ from those found in between-participant studies. Using examples from a systematic review of n-of-1 studies in health behaviour research, this article provides a state of the art overview of the use of n-of-1 methods, organised according to key methodological considerations related to n-of-1 design and analysis, and describes future challenges and opportunities. A comprehensive search strategy (PROSPERO:CRD42014007258) was used to identify articles published between 2000 and 2016, reporting observational or interventional n-of-1 studies with health behaviour outcomes. Thirty-nine articles were identified which reported on n-of-1 observational designs and a range of n-of-1 interventional designs, including AB, ABA, ABABA, alternating treatments, n-of-1 randomised controlled trial, multiple baseline and changing criterion designs. Behaviours measured included treatment adherence, physical activity, drug/alcohol use, sleep, smoking and eating behaviour. Descriptive, visual or statistical analyses were used. We identify scope and opportunities for using n-of-1 methods to answer key questions in health behaviour research. n-of-1 methods provide the tools needed to help advance theoretical knowledge and personalise/tailor health behaviour interventions to individuals.

Item Type: Article
Uncontrolled Keywords: n-of-1 methods; health behaviour; single-case; idiographic methods
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Elena Carlaw
Date Deposited: 13 Mar 2020 15:47
Last Modified: 13 Mar 2020 16:00
URI: http://nrl.northumbria.ac.uk/id/eprint/42485

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