Effectiveness of a web-based health risk assessment with individually-tailored feedback on lifestyle behaviour: study protocol

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ID: 48764
2012
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Abstract

Abstract

Background

Physical inactivity, unhealthy dietary habits, smoking and high alcohol consumption are recognized risk factors for cardiovascular disease and cancer. Web-based health risk assessments with tailored feedback seem promising in promoting a healthy lifestyle. This study evaluates the effectiveness of a web-based health risk assessment with individually-tailored feedback on lifestyle behaviour, conducted in a worksite setting.

Methods/Design

The web-based health risk assessment starts with a questionnaire covering socio-demographic variables, family and personal medical history, lifestyle behaviour and psychological variables. Prognostic models are used to estimate individual cardiovascular risks. In case of high risk further biometric and laboratory evaluation is advised. All participants receive individually-tailored feedback on their responses to the health risk assessment questionnaire. The study uses a quasi-experimental design with a waiting list control group. Data are collected at baseline (T0) and after six months (T1). Within each company, clusters of employees are allocated to either the intervention or the control group. Primary outcome is lifestyle behaviour, expressed as the sum of five indicators namely physical activity, nutrition, smoking behaviour, alcohol consumption, and symptoms of burnout. Multilevel regression analysis will be used to answer the main research question and to correct for clustering effects. Baseline differences between the intervention and control group in the distribution of characteristics with a potential effect on lifestyle change will be taken into account in further analyses using propensity scores.

Discussion

This study will increase insight into the effectiveness of health risk assessments with tailored feedback and into conditions that may modify the effectiveness. This information can be used to design effective interventions for lifestyle behaviour change among employees.

Trial registration

Dutch Trial Register NTR8148.

Reference Key
k2012effectivenessbmc Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors K, Laan Eva;A, Kraaijenhagen Roderik;Niels, Peek;B, Busschers Wim;Marije, Deutekom;M, Bossuyt Patrick;Karien, Stronks;Marie-Louise, Essink-Bot;
Journal BMC public health
Year 2012
DOI
DOI not found
URL
http://www.biomedcentral.com/1471-2458/12/200
Keywords
Medicine (General) Medicine psychology public aspects of medicine

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