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Reiter T, Schoedel R. Never miss a beep: Using mobile sensing to investigate (non-)compliance in experience sampling studies. Behav Res Methods 2024; 56:4038-4060. [PMID: 37932624 PMCID: PMC11133120 DOI: 10.3758/s13428-023-02252-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2023] [Indexed: 11/08/2023]
Abstract
Given the increasing number of studies in various disciplines using experience sampling methods, it is important to examine compliance biases because related patterns of missing data could affect the validity of research findings. In the present study, a sample of 592 participants and more than 25,000 observations were used to examine whether participants responded to each specific questionnaire within an experience sampling framework. More than 400 variables from the three categories of person, behavior, and context, collected multi-methodologically via traditional surveys, experience sampling, and mobile sensing, served as predictors. When comparing different linear (logistic and elastic net regression) and non-linear (random forest) machine learning models, we found indication for compliance bias: response behavior was successfully predicted. Follow-up analyses revealed that study-related past behavior, such as previous average experience sampling questionnaire response rate, was most informative for predicting compliance, followed by physical context variables, such as being at home or at work. Based on our findings, we discuss implications for the design of experience sampling studies in applied research and future directions in methodological research addressing experience sampling methodology and missing data.
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Affiliation(s)
- Thomas Reiter
- Department of Psychology, Ludwig-Maximilians-Universität München, Leopoldstraße 13, 80802, Munich, Germany.
| | - Ramona Schoedel
- Department of Psychology, Ludwig-Maximilians-Universität München, Leopoldstraße 13, 80802, Munich, Germany
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Li X, Lafit G, van Aubel E, Vaessen T, Hiekkaranta AP, Houben M, Beijer-Klippel A, de Haan L, Schirmbeck F, Reininghaus U, Myin-Germeys I. Emotion regulation in daily life in early psychosis: The role of contextual appraisals. Schizophr Res 2023; 261:130-138. [PMID: 37722209 DOI: 10.1016/j.schres.2023.09.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 05/19/2023] [Accepted: 09/11/2023] [Indexed: 09/20/2023]
Abstract
BACKGROUND Little is known about whether and how contextual appraisals relate to emotion regulation (ER) strategy use across the ultra-high risk and first episode stages of psychosis. The present study extends previous research by investigating the extent to which different appraisal dimensions of the most negative and positive events of the day are associated with ER strategy use in individuals with ultra-high risk (UHR) and first-episode psychosis (FEP). METHOD Sixty-eight UHR individuals and fifty-five FEP individuals filled out an experience sampling evening questionnaire for six consecutive days, in which their appraisal of intensity, importance and perceived control concerning the most negative or positive event of the day, and the ER strategies they deploy in response to these events were measured. RESULTS Multilevel mixed effect models showed that intensity appraisal was most closely associated with ER strategy use, as opposed to importance and controllability appraisals. Higher intense negative events were associated with more rumination and social sharing, while less intense negative events were associated with more reappraisal. Higher intense positive events were associated with a greater number of deployed strategies and more efforts in using savoring, expression and social sharing. The UHR and FEP individuals did not significantly differ regarding effects of above-mentioned appraisal dimensions on ER. CONCLUSIONS These results provide evidence supporting ER flexibility in early psychosis, and event intensity emerged as the dimension most strongly associated with ER. Future research should better account for other situational factors (such as social context) that might affect ER use in psychosis.
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Affiliation(s)
- Xu Li
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium; School of Psychology, Central China Normal University, Wuhan 430079, China
| | - Ginette Lafit
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium; Faculty of Psychology and Educational Sciences, Research Group of Quantitative Psychology and Individual Differences, KU Leuven, Leuven 3000, Belgium
| | - Evelyne van Aubel
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium
| | - Thomas Vaessen
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium; Center for eHealth and Well-being Research, Department of Psychology, Health, and Technology, University of Twente, Twente 7500 AE, the Netherlands
| | - Anu P Hiekkaranta
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium
| | - Marlies Houben
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium; Department of Medical and Clinical Psychology, Tilburg University, 5037 AB Tilburg, the Netherlands
| | - Annelie Beijer-Klippel
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium; Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht 6229 GT, the Netherlands; Faculty of Psychology, Department of Lifespan Psychology, Open University, Heerlen 6419 AT, the Netherlands
| | - Lieuwe de Haan
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam 1105 AZ, the Netherlands
| | - Frederike Schirmbeck
- Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam 1105 AZ, the Netherlands
| | - Ulrich Reininghaus
- Department of Public Mental Health, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim 68167, Germany; ESRC Centre for Society and Mental Health and Centre for Epidemiology and Public Health, Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London WC2R 2LS, UK
| | - Inez Myin-Germeys
- Department of Neurosciences, Psychiatry Research Group, Center for Contextual Psychiatry, KU Leuven, Leuven 3000, Belgium.
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Damci A, Hoeijmakers JGJ, den Hollander M, Köke A, de Mooij M, Faber CG, Verbunt JAMCF. Acceptability, usability and feasibility of experienced sampling method in chronic secondary pain syndromes. Front Neurol 2023; 14:1219236. [PMID: 37503509 PMCID: PMC10368891 DOI: 10.3389/fneur.2023.1219236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 06/28/2023] [Indexed: 07/29/2023] Open
Abstract
Background In chronic pain syndromes, symptoms can fluctuate and change over time. Standard questionnaires cannot register these fluctuations. Nonetheless, the experience sampling method (ESM) is developed to collect momentary measurements of everyday complaints, tracing fluctuations in symptoms and disabling factors over time. Although valuable information can be collected in this way, assessment may also be a burden. This study aimed to investigate the acceptability, usability, and feasibility of ESM in chronic secondary pain syndromes, in a single-center study in the Netherlands. Methods A prospective observational study with repeated measurements was conducted in patients with chronic secondary neuropathic and musculoskeletal pain syndromes, including small fiber neuropathy, spinal cord injury, and rheumatoid disorder. Results Thirty-four participants were included and filled in the ESM, of whom 19 were diagnosed with small fiber neuropathy, 11 with spinal cord injury, and 4 with a rheumatoid disorder. The mean age was 54.7 ± 13.9 years (range: 23-77) of whom 52.9% were female. In total, 19 participants filled in the general and user-friendliness evaluation about the acceptability and usability of the ESM. The general evaluation showed no influence of ESM on participants' social contacts (mean 1.47, SD 1.12), activities (mean 1.74, SD 1.44), and mood (mean 1.89, SD 1.59). The answers options of ESM were a good representation of the experiences of participants (mean 4.58, SD 1.77). Regarding feasibility, the overall response rate for answering the beep signals of ESM was 44.5% in total. The missing rate per person varied from 13% to 97% with a median of 54.1%. Conclusion The general evaluation and the user-friendliness revealed sufficient outcomes in favor of the ESM application. ESM seems a promising measurement tool to use in secondary chronic pain syndromes.
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Affiliation(s)
- Aysun Damci
- MHeNS, School for Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
- Department of Neurology, Maastricht University Medical Center+, Maastricht, Netherlands
| | - Janneke G. J. Hoeijmakers
- MHeNS, School for Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
- Department of Neurology, Maastricht University Medical Center+, Maastricht, Netherlands
| | - Marlies den Hollander
- Care and Public Health Research Institute, Maastricht University, Maastricht, Netherlands
- Department of Rehabilitation Medicine, Maastricht University Medical Center+, Maastricht, Netherlands
- Adelante Zorggroep, Center of Rehabilitation Medicine, Hoensbroek, Netherlands
| | - Albère Köke
- Care and Public Health Research Institute, Maastricht University, Maastricht, Netherlands
- Department of Rehabilitation Medicine, Maastricht University Medical Center+, Maastricht, Netherlands
- Adelante Zorggroep, Center of Rehabilitation Medicine, Hoensbroek, Netherlands
- Dutch Network Pain Rehabilitation, Hoensbroek, Netherlands
| | - Marion de Mooij
- Care and Public Health Research Institute, Maastricht University, Maastricht, Netherlands
| | - Catharina G. Faber
- MHeNS, School for Mental Health and Neuroscience, Maastricht University, Maastricht, Netherlands
- Department of Neurology, Maastricht University Medical Center+, Maastricht, Netherlands
| | - Jeanine A. M. C. F. Verbunt
- Care and Public Health Research Institute, Maastricht University, Maastricht, Netherlands
- Department of Rehabilitation Medicine, Maastricht University Medical Center+, Maastricht, Netherlands
- Adelante Zorggroep, Center of Rehabilitation Medicine, Hoensbroek, Netherlands
- Dutch Network Pain Rehabilitation, Hoensbroek, Netherlands
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Hidd VV, López E, Centellegher S, Roberts SGB, Lepri B, Dunbar RIM. The stability of transient relationships. Sci Rep 2023; 13:6120. [PMID: 37059731 PMCID: PMC10104882 DOI: 10.1038/s41598-023-32206-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 03/24/2023] [Indexed: 04/16/2023] Open
Abstract
In contrast to long-term relationships, far less is known about the temporal evolution of transient relationships, although these constitute a substantial fraction of people's communication networks. Previous literature suggests that ratings of relationship emotional intensity decay gradually until the relationship ends. Using mobile phone data from three countries (US, UK, and Italy), we demonstrate that the volume of communication between ego and its transient alters does not display such a systematic decay, instead showing a lack of any dominant trends. This means that the communication volume of egos to groups of similar transient alters is stable. We show that alters with longer lifetimes in ego's network receive more calls, with the lifetime of the relationship being predictable from call volume within the first few weeks of first contact. This is observed across all three countries, which include samples of egos at different life stages. The relation between early call volume and lifetime is consistent with the suggestion that individuals initially engage with a new alter so as to evaluate their potential as a tie in terms of homophily.
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Affiliation(s)
- Valentín Vergara Hidd
- Computational and Data Sciences Department, George Mason University, Fairfax, 22030, USA.
| | - Eduardo López
- Computational and Data Sciences Department, George Mason University, Fairfax, 22030, USA
| | - Simone Centellegher
- Fondazione Bruno Kessler, Mobile and Social Computing Lab, Trento, 38123, Italy
| | - Sam G B Roberts
- School of Psychology, Liverpool John Moores University, Liverpool, L3 3AF, UK
| | - Bruno Lepri
- Fondazione Bruno Kessler, Mobile and Social Computing Lab, Trento, 38123, Italy
| | - Robin I M Dunbar
- Department of Experimental Psychology, University of Oxford, Oxford, OX2 66G, UK
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van Baal ST, Verdejo-García A, Hohwy J. Episodic future thinking and compassion reduce non-compliance urges regarding public health guidelines: a randomised controlled trial. BMC Public Health 2023; 23:189. [PMID: 36709249 PMCID: PMC9883827 DOI: 10.1186/s12889-023-15031-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 01/11/2023] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND People often feel urges to engage in activities that violate pandemic public health guidelines. Research on these urges has been reliant on measures of typical behaviour, which fail to capture these urges as they unfold. Guideline adherence could be improved through interventions, but few methods allow for ecologically valid observation of the range of behaviours that pandemic guidelines prescribe. METHODS In this preregistered parallel randomised trial, 95 participants aged 18-65 from the UK were assigned to three groups using blinded block randomisation, and engaged in episodic future thinking (n = 33), compassion exercises (n = 31), or a control procedure (n = 31). Following an ecological momentary assessment procedure, participants report on the intensity of their occurrent urges (min. 1, max. 10) and their ability to control them. The study further investigates whether, and through which mechanism, state impulsivity and vaccine attitudes affect guideline adherence. RESULTS Episodic future thinking (b = -1.80) and compassion exercises (b = -1.45) reduced the intensity of urges. State impulsivity is associated with stronger urges, but we found no evidence that vaccine hesitancy predicts lesser self-control. CONCLUSIONS We conclude that episodic future thinking exercises and compassion training may be used to decrease non-compliance urges of individuals who are an acute public health risk for the community, such as those in voluntary isolation.
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Affiliation(s)
- Simon T. van Baal
- grid.1002.30000 0004 1936 7857Cognition and Philosophy Lab, Monash University, 20 Chancellors Walk, Clayton, VIC 3800 Australia ,grid.7372.10000 0000 8809 1613Department of Psychology, University of Warwick, Coventry, CV4 7AL UK
| | - Antonio Verdejo-García
- grid.1002.30000 0004 1936 7857Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, 18 Innovation Walk, Clayton, VIC 3800 Australia
| | - Jakob Hohwy
- Cognition and Philosophy Lab, Monash University, 20 Chancellors Walk, Clayton, VIC, 3800, Australia. .,Monash Centre for Consciousness & Contemplative Studies, Monash University, 29 Ancora Imparo Way, Clayton, VIC, 3800, Australia.
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Deakin E, Ng F, Young E, Thorpe N, Newby C, Coupland C, Craven M, Slade M. Design decisions and data completeness for experience sampling methods used in psychosis: systematic review. BMC Psychiatry 2022; 22:669. [PMID: 36307752 PMCID: PMC9617456 DOI: 10.1186/s12888-022-04319-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 10/18/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND The experience sampling method (ESM) is an intensive longitudinal research method. Participants complete questionnaires at multiple times about their current or very recent state. The design of ESM studies is complex. People with psychosis have been shown to be less adherent to ESM study protocols than the general population. It is not known how to design studies that increase adherence to study protocols. A lack of typology makes it is hard for researchers to decide how to collect data in a way that allows for methodological rigour, quality of reporting, and the ability to synthesise findings. The aims of this systematic review were to characterise the design choices made in ESM studies monitoring the daily lives of people with psychosis, and to synthesise evidence relating the data completeness to different design choices. METHODS A systematic review was conducted of published literature on studies using ESM with people with psychosis. Studies were included if they used digital technology for data collection and reported the completeness of the data set. The constant comparative method was used to identify design decisions, using inductive identification of design decisions with simultaneous comparison of design decisions observed. Weighted regression was used to identify design decisions that predicted data completeness. The review was pre-registered (PROSPERO CRD42019125545). RESULTS Thirty-eight studies were included. A typology of design choices used in ESM studies was developed, which comprised three superordinate categories of design choice: Study context, ESM approach and ESM implementation. Design decisions that predict data completeness include type of ESM protocol used, length of time participants are enrolled in the study, and if there is contact with the research team during data collection. CONCLUSIONS This review identified a range of design decisions used in studies using ESM in the context of psychosis. Design decisions that influence data completeness were identified. Findings will help the design and reporting of future ESM studies. Results are presented with the focus on psychosis, but the findings can be applied across different mental health populations.
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Affiliation(s)
- Emilia Deakin
- School of Health Sciences, Institute of Mental Health, University of Nottingham, Triumph Road, Nottingham, NG7 2TU, UK. .,Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, UK. .,Nottinghamshire Healthcare NHS Foundation Trust, Nottingham, UK.
| | - Fiona Ng
- grid.4563.40000 0004 1936 8868School of Health Sciences, Institute of Mental Health, University of Nottingham, Triumph Road, Nottingham, NG7 2TU UK
| | - Emma Young
- grid.439378.20000 0001 1514 761XNottinghamshire Healthcare NHS Foundation Trust, Nottingham, UK
| | - Naomi Thorpe
- grid.439378.20000 0001 1514 761XNottinghamshire Healthcare NHS Foundation Trust, Nottingham, UK
| | - Christopher Newby
- grid.4563.40000 0004 1936 8868School of Medicine, University of Nottingham, Nottingham, UK
| | - Carol Coupland
- grid.4563.40000 0004 1936 8868School of Medicine, University of Nottingham, Nottingham, UK
| | - Michael Craven
- grid.4563.40000 0004 1936 8868Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, UK ,grid.4563.40000 0004 1936 8868Human Factors Research Group, Faculty of Engineering, University of Nottingham, Nottingham, UK ,grid.4563.40000 0004 1936 8868Institute of Mental Health, NIHR MindTech MedTech Co-Operative, University of Nottingham, Nottingham, UK
| | - Mike Slade
- grid.4563.40000 0004 1936 8868School of Health Sciences, Institute of Mental Health, University of Nottingham, Triumph Road, Nottingham, NG7 2TU UK ,grid.4563.40000 0004 1936 8868Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, UK ,grid.465487.cNord University, Postboks 474, 7801 Namsos, Norway
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Rintala A, Wampers M, Myin-Germeys I, Viechtbauer W. Momentary predictors of compliance in studies using the experience sampling method. Psychiatry Res 2020; 286:112896. [PMID: 32146247 DOI: 10.1016/j.psychres.2020.112896] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 02/22/2020] [Accepted: 02/23/2020] [Indexed: 02/07/2023]
Abstract
The influence of momentary experiences on compliance has not yet been studied extensively in diary methods such as the experience sampling method (ESM). This study investigated to what extent momentary experiences at the moment of responding (hereafter 'beep') can predict compliance in high frequency ESM protocols. Lagged-analyses were conducted using a pooled dataset of seven studies including 1,318 healthy volunteers and individuals with different mental health conditions. All studies used an ESM design of 10 beeps per day over 4 to 6 days. Overall compliance was 86% (to beeps where a subject was compliant at the previous beep). Results indicated that participants who reported higher positive affect overall were more compliant. Feeling disturbed by a beep, being outside the home, medication use, or longer inter-prompt interval decreased the chances of compliance to the subsequent beep. While participants with depression tended to be more compliant, chances to be compliant decreased in the evenings and over the course of the study days. When more beeps were missed consecutively, the chances to miss the subsequent beep increased. Findings suggest that disturbance of the beep, being outside the home, medication use, and inter-prompt interval might decrease the chances of compliance to the subsequent beep.
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Affiliation(s)
- Aki Rintala
- Department of Neurosciences, Center for Contextual Psychiatry, KU Leuven, Kapucijnenvoer 33 bus 7001 (blok h), Leuven 3000, Belgium.
| | - Martien Wampers
- Department of Neurosciences, Center for Contextual Psychiatry, KU Leuven, Kapucijnenvoer 33 bus 7001 (blok h), Leuven 3000, Belgium; Universitair Psychiatrisch Centrum, UZ Leuven, Leuvensesteenweg 517, Kortenberg 3070, Belgium.
| | - Inez Myin-Germeys
- Department of Neurosciences, Center for Contextual Psychiatry, KU Leuven, Kapucijnenvoer 33 bus 7001 (blok h), Leuven 3000, Belgium.
| | - Wolfgang Viechtbauer
- Department of Neurosciences, Center for Contextual Psychiatry, KU Leuven, Kapucijnenvoer 33 bus 7001 (blok h), Leuven 3000, Belgium; Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Universiteitssingel 40, Maastricht 6229 ER, Netherlands.
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Ono M, Schneider S, Junghaenel DU, Stone AA. What Affects the Completion of Ecological Momentary Assessments in Chronic Pain Research? An Individual Patient Data Meta-Analysis. J Med Internet Res 2019; 21:e11398. [PMID: 30720437 PMCID: PMC6379815 DOI: 10.2196/11398] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 10/21/2018] [Accepted: 10/26/2018] [Indexed: 11/13/2022] Open
Abstract
Background Ecological momentary assessment (EMA) involves repeated sampling of people’s current experiences in real time in their natural environments, which offers a granular perspective on patients’ experience of pain and other symptoms. However, EMA can be burdensome to patients, and its benefits depend upon patients’ engagement in the assessments. Objective The goal of this study was to investigate factors affecting EMA-completion rates among patients with chronic pain. Methods This individual patient data meta-analysis was based on 12 EMA datasets that examined patients with chronic noncancer-related pain (n=701). The EMA-completion rates were calculated on a daily basis for each patient. Multilevel models were used to test the following predictors of completion rates at different levels: within-patient factors (days into the study and daily pain level), between-patient factors (age, sex, pain diagnosis, and average pain level per person), and between-study EMA design factors (study duration, sampling density, and survey length). Results Across datasets, an EMA-completion rate of 85% was observed. The strongest results were found for the between-patient factor age: Younger respondents reported lower completion rates than older respondents (P=.002). One within-patient factor, study day, was associated with completion rates (P<.001): over the course of the studies, the completion rates declined. The two abovementioned factors interacted with each other (P=.02) in that younger participants showed a more rapid decline in EMA completion over time. In addition, none of the other hypothesized factors including gender, chronic pain diagnoses, pain intensity levels, or measures of study burden showed any significant effects. Conclusion Many factors thought to influence the EMA-completion rates in chronic pain studies were not confirmed. However, future EMA research in chronic pain should note that study length and young age can impact the quality of the momentary data and devise strategies to maximize completion rates across different age groups and study days.
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Affiliation(s)
- Masakatsu Ono
- Center for Self-Report Science, Center for Economic and Social Research, University of Southern California, Los Angeles, CA, United States
| | - Stefan Schneider
- Center for Self-Report Science, Center for Economic and Social Research, University of Southern California, Los Angeles, CA, United States
| | - Doerte U Junghaenel
- Center for Self-Report Science, Center for Economic and Social Research, University of Southern California, Los Angeles, CA, United States
| | - Arthur A Stone
- Center for Self-Report Science, Center for Economic and Social Research, University of Southern California, Los Angeles, CA, United States.,Department of Psychology, University of Southern California, Los Angeles, CA, United States
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