Dataset Information

A Pilot Study of Mood Ratings Captured by Mobile Phone Versus Paper-and-Pencil Mood Charts in Bipolar Disorder.

ABSTRACT: Patient reported mood charts are frequently used in management of bipolar disorder. Although mood charts have recently been programmed in electronic devices such as mobile phones, little is known about the impact of the method of data capture on the psychometric properties and validity of these data.In an ongoing pilot study, a sample of outpatients with bipolar disorder were randomized to either complete mood charts on a mobile phone or a standard paper-and-pencil mood chart as part of a 12 week-intervention (primary outcomes for the trial await study completion). We compared these conditions across single item rating of mood state, and we hypothesized that mobile phone based data capture would produce greater compliance to mood ratings, variability between and within participants, and concurrent validity with blinded clinician-rated affective symptom severity.A total of 56 participants were randomized and 40 participants were included in the analyses. There were no significant differences between conditions on demographic or clinical variables. The rate of compliance was significantly higher in paper-and-pencil versus mobile phone ratings. Ratings demonstrated significantly more variability within individuals in the mobile phone condition. Mobile phone mood ratings were significantly correlated with clinician-rated depressive symptom severity across the study and with manic symptom severity at the Week 6 assessment, whereas paper-and-pencil ratings were not significantly associated with clinician-rated depression or mania.Although preliminary, our results suggest a lower rate of compliance with mobile phones compared to paper-and-pencil daily mood rating in bipolar disorder, yet a greater ability to capture variability and concurrent validity in quantifying affective symptoms. This clinical trial is registered at http://www.clinicaltrials.gov as NCT01670123.

SUBMITTER: Depp CA

PROVIDER: S-EPMC3640573 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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A Pilot Study of Mood Ratings Captured by Mobile Phone Versus Paper-and-Pencil Mood Charts in Bipolar Disorder.

Depp Colin A CA Kim Daniel H DH de Dios Laura Vergel LV Wang Vicki V Ceglowski Jennifer J

Journal of dual diagnosis 20120101 4

<h4>Objective</h4>Patient reported mood charts are frequently used in management of bipolar disorder. Although mood charts have recently been programmed in electronic devices such as mobile phones, little is known about the impact of the method of data capture on the psychometric properties and validity of these data.<h4>Methods</h4>In an ongoing pilot study, a sample of outpatients with bipolar disorder were randomized to either complete mood charts on a mobile phone or a standard paper-and-pen ...[more]

PMID: 23646035

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Project description:BackgroundRecurrent mood episodes and subsyndromal mood instability cause substantial disability in patients with bipolar disorder. Early identification of mood episodes enabling timely mood stabilization is an important clinical goal. This study investigates the ability of control chart methodology to predict manic and/or depressive episodes by applying Shewhart's control rules to weekly self-reported scores from mania and depression questionnaires.MethodsShewhart's control rules were applied to weekly self-reported scores from the Altman Self-Rating Mania Scale (ASRM) and the Quick Inventory of Depressive Symptomatology-Self-Report (QIDS) collected from 2001 to 2012 as part of the OXTEXT programme. Manic and depressive episodes were defined as an ASRM score ≥ 10 or a QIDS score ≥ 15, respectively. An episode-free run-in period of eight consecutive weeks without an episode of either type was used to calibrate control charts. Shewhart's rules were then applied to follow-up data. Their sensitivity and positive predictive value for predicting manic or depressive episodes within the next 4 weeks were calculated focusing on the first episode. Secondary analyses varying control chart type, length of episode-free run-in period, time frames to evaluate diagnostic accuracy, thresholds defining either manic or depressive episodes, and missing data methods were performed.ResultsData from 146 participants (37% men) were included. The mean age was 43.4 (SD = 13.3) years. The median follow-up was 10 (IQR 5-40) weeks for mania and 10 (IQR 5-23) weeks for depression. A total of 53 (36%) participants had a manic episode and 67 (46%) had a depressive episode. For manic episodes, the sensitivity and positive predictive value of Shewhart's control rules were 30% (95% CI 19-45%) and 7% (95% CI 5-9%), and for depressive episodes, 33% (95% CI 22-46%) and 9% (95% CI 6-12%), respectively. Results from secondary analyses were similar to these.ConclusionsTele-monitoring with control rules has the potential to predict about one-third of manic or depressive episodes before they occur, at the cost of a high false positive rate. Given the severe consequences of manic and depressive episodes, this trade-off may be desirable.

Dataset Information

A Pilot Study of Mood Ratings Captured by Mobile Phone Versus Paper-and-Pencil Mood Charts in Bipolar Disorder.

Publications

A Pilot Study of Mood Ratings Captured by Mobile Phone Versus Paper-and-Pencil Mood Charts in Bipolar Disorder.

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