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Headline
Missed appointments are an avoidable cost and a resource inefficiency that impact on the health of the patient and treatment outcomes. Health-care services are increasingly utilising reminder systems to counter these negative effects. The study found that simple reminders or ‘reminder plus’ should be sent to all patients in the absence of any clear contraindication. Other reminder alternatives may be relevant for key groups of patients. We are developing a practice guideline to help managers to further tailor their reminder systems for their service and client groups.
Abstract
Background:
Missed appointments are an avoidable cost and a resource inefficiency that impact on the health of the patient and treatment outcomes. Health-care services are increasingly utilising reminder systems to counter these negative effects.
Objectives:
This project explores the differential effect of reminder systems for different segments of the population for improving attendance, cancellation and rescheduling of appointments.
Design:
Three inter-related reviews of quantitative and qualitative evidence relating to theoretical explanations for appointment behaviour (review 1), the effectiveness of different approaches to reminding patients to attend health service appointments (review 2) and factors likely to influence non-attendance (review 3).
Data sources:
Database searches were conducted on Allied and Complementary Medicine, Cumulative Index to Nursing and Allied Health Literature Plus with Full Text, The Cochrane Library, EMBASE (via NHS Evidence from 1 January 2000 to January/February 2012), Health Management Information Consortium database, Institute of Electrical and Electronics Engineers Xplore, The King’s Fund Library Catalogue, Maternity and Infant Care, MEDLINE, Physiotherapy Evidence Database, PsycINFO, SPORTDiscus and Web of Science from 1 January 2000 to January/February 2012. Supplementary screening of references of included studies was conducted to identify additional potentially relevant studies. Conceptual papers were identified for review 1, randomised controlled trials (RCTs) and systematic reviews for review 2 and a range of quantitative and qualitative research designs for review 3.
Methods:
We conducted three inter-related reviews of quantitative and qualitative evidence, involving a review of conceptual frameworks of reminder systems and adherence behaviours, a review of the reminder effectiveness literature and a review informed by realist principles to explain the contexts and mechanisms that explain reminder effectiveness. A preliminary conceptual framework was developed to show how reminder systems work, for whom they work and in which circumstances. Six themes emerged that potentially influence the effectiveness of the reminder or whether or not patients would attend their appointment, namely the reminder–patient interaction, reminder accessibility, health-care settings, wider social issues, cancellation and rebookings, and distal/proxy attributes. Standardised review methods were used to investigate the effectiveness of reminders to promote attendance, cancellation or rebooking across all outpatient settings. Finally, a review informed by realist principles was undertaken, using the conceptual framework to explain the context and mechanisms that influence how reminders support attendance, cancellation and rebooking.
Results:
A total of 466 papers relating to 463 studies were identified for reviews 2 and 3. Findings from 31 RCTs and 11 separate systematic reviews (review 2 only) revealed that reminder systems are consistently effective at reducing non-attendance at appointments, regardless of health-care setting or patient subgroups. Simple reminders that provide details of timing and location of appointments are effective for increasing attendance at appointments. Reminders that provide additional information over and above the date, time and location of the appointment (‘reminder plus’) may be more effective than simple reminders at reducing non-attendance and may be particularly useful for first appointments and screening appointments; simple reminders may be appropriate thereafter for most patients the majority of the time. There was strong evidence that the timing of reminders, between 1 and 7 days prior to the appointment, has no effect on attendance; substantial numbers of patients do not receive their reminder; reminders promote cancellation of appointments; inadequate structural factors prevent patients from cancelling appointments; and few studies investigated factors that influence the effectiveness of reminder systems for population subgroups.
Limitations:
Generally speaking, the systematic review method seeks to provide a precise answer to a tightly focused question, for which there is a high degree of homogeneity within the studies. A wide range of population types, intervention, comparison and outcomes is included within the RCTs we identified. However, use of this wider approach offers greater analytical capability in terms of understanding contextual and mechanistic factors that would not have been evident in a more narrowly focused review and increases confidence that the findings will have relevance in a wide range of service settings.
Conclusions:
Simple reminders or ‘reminder plus’ should be sent to all patients in the absence of any clear contraindication. Other reminder alternatives may be relevant for key groups of patients: those from a deprived background, ethnic minorities, substance abusers and those with comorbidities and/or illnesses. We are developing a practice guideline that may help managers to further tailor their reminder systems for their service and client groups. We recommend future research activities in three main areas. First, more studies should routinely consider the potential for differential effects of reminder systems between patient groups in order to identify any inequalities and remedies. Second, ‘reminder plus’ systems appear promising, but there is a need for further research to understand how they influence attendance behaviour. Third, further research is required to identify strategies to ‘optimise’ reminder systems and compare performance with current approaches.
Funding:
The National Institute for Health Research Health Services and Delivery Research programme.
Contents
- Plain English summary
- Scientific summary
- Chapter 1. Background
- Chapter 2. Objectives
- Chapter 3. Methods
- Overall rationale
- Literature searches (reviews 2 and 3)
- Sifting/categorisation of search results (reviews 2 and 3)
- Production of draft conceptual framework and draft propositions (review 1)
- Preliminary data extraction: randomised controlled trials (review 2)
- Testing the draft propositions: further data extraction (reviews 2 and 3)
- Synthesis (reviews 2 and 3)
- Quality appraisal (reviews 2 and 3)
- Review complexity
- Development of materials for health service users
- Involvement of patient steering group
- Chapter 4. Results
- Results of searches
- Evidence from systematic reviews
- Evidence from randomised controlled trials
- Proposition A: the reminder–patient interaction
- Proposition B: reminder accessibility
- Proposition C: health-care settings
- Proposition D: wider social systems
- Proposition E: are there any systems that effectively support the cancellation of appointments?
- Proposition F: distal/proxy individual attributes
- Chapter 5. Patterns and influences on health-care attendance behaviour: a narrative overview of key themes and issues
- Chapter 6. Discussion
- Chapter 7. Conclusions
- Acknowledgements
- References
- Appendix 1 Example search strategies
- Appendix 2 Articulation of possible causal pathways between elements of the conceptual framework
- Appendix 3 Hypotheses associated with different elements of the conceptual framework
- Appendix 4 Included and excluded systematic reviews and randomised controlled trials for review 2
- Appendix 5 Reviews included in this review with an assessment of their quality
- Appendix 6 Judgement on quality of included trials (not already covered in included reviews)
- Appendix 7 Clinical scenarios
- Appendix 8 Reasons for missing appointments
- Appendix 9 Advantages and disadvantages of reminder systems
- Appendix 10 Outline proposal for a web-based practice guide
- List of abbreviations
Article history
The research reported in this issue of the journal was funded by the HS&DR programme or one of its proceeding programmes as project number 10/2002/49. The contractual start date was in January 2012. The final report began editorial review in March 2013 and was accepted for publication in November 2013. The authors have been wholly responsible for all data collection, analysis and interpretation, and for writing up their work. The HS&DR editors and production house have tried to ensure the accuracy of the authors’ report and would like to thank the reviewers for their constructive comments on the final report document. However, they do not accept liability for damages or losses arising from material published in this report.
Declared competing interests of authors
none
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