Smallest detectable change and test‐retest reliability of a self‐reported outcome measure: Results of the Center for Epidemiologic Studies Depression Scale, General Self‐Efficacy Scale, and 12‐item General Health Questionnaire

Ohno, Shotaro; Takahashi, Kana; Inoue, Aimi; Takada, Koki; Ishihara, Yoshiaki; Tanigawa, Masaru; Hirao, Kazuki

doi:10.1111/jep.12795

Cited by 27 publications

(25 citation statements)

References 53 publications

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“…Our pre‐post effect size of 0.94 (large effect) for the CES‐D was larger than the pre‐post effect size of 0.51 (medium effect) reported in a previous study (Walsh, Eisenlohr‐Moul, & Baer, 2016) that employed a 4‐week mindfulness‐based intervention. In addition, the results of this study considerably exceed the measurement error of CES‐D (Ohno et al, ). It has been shown that unconsciously presented information can affect behaviour (Aoyama et al, ; Van den Bussche et al, ).…”

Section: Discussioncontrasting

confidence: 49%

Feasibility and preliminary efficacy of a smartphone application intervention for subthreshold depression

Takahashi

Takada

Hirao

2018

Early Intervention Psych

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Section: Discussioncontrasting

confidence: 49%

Feasibility and preliminary efficacy of a smartphone application intervention for subthreshold depression

Takahashi

Takada

Hirao

2018

Early Intervention Psych

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“…40 Any changes smaller than the SDC to the ASAS HI summary score are likely to be due to measurement error and only changes larger than SDC should be considered as real changes. 41 According to the COSMIN guidelines, a sample size of ≥100 indicates excellent quality of evidence for structural validity. 42 As suggested by the protocol, only 25% of patients recruited in the validity component will be followed up longitudinally for the test-retest reliability.…”

Section: Discussionmentioning

confidence: 99%

“…SEM was calculated using the formula SEM = standard deviation of the mean ASAS HI score change × (square root of [1 – ICC]) . Any changes smaller than the SDC to the ASAS HI summary score are likely to be due to measurement error and only changes larger than SDC should be considered as real changes …”

Section: Methodsmentioning

confidence: 99%

Validity and reliability of the Assessment of Spondyloarthritis International Society Health Index in English‐speaking patients with axial spondyloarthritis in Singapore

Kwan

Fong

et al. 2019

Int J of Rheum Dis

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Objectives To assess the validity and reliability of the Assessment of Spondyloarthritis International Society Health Index (ASAS HI) among patients with axial spondyloarthritis (axSpA) in Singapore. Methods We collected data from English‐speaking patients with axSpA seen at a dedicated axSpA clinic in a Singapore tertiary referral hospital from 2017 to 2018. Face validity of the English version of ASAS HI was assessed through cognitive debriefing interviews (CDIs). Structural validity was assessed with confirmatory factor analysis. Convergent construct validity was assessed with 12 a priori hypotheses about the magnitude and direction of correlations between the ASAS HI summary score and other patient‐reported outcome measures. Internal consistency was assessed using Cronbach's alpha. Test‐retest reliability was assessed by intraclass correlation coefficient (ICC). Measurement error was assessed by analyzing smallest detectable change (SDC). Results Ten patients (age range 22‐46 years, 50% male) participated in CDIs and face validity was supported. Among 108 patients (median age: 37 [21‐77], 80.6% males), unidimensionality was confirmed (comparative fit index = 0.960, Tucker‐Lewis Index = 0.952, root mean square error of approximation = 0.038, standardized root mean residuals = 0.068, model Chi‐square test P = 0.1251) in the 17‐item ASAS HI. The ASAS HI showed good internal consistency of 0.83 and excellent test‐retest reliability (ICC = 0.95; 95% CI 0.91‐0.98) when baseline was compared with week 2. SDC was 1.02. Convergent validity was supported as hypotheses were confirmed in 100% of the results. Conclusions This study supports the ASAS HI as a valid and reliable measure of health status for use in patients with axSpA in Singapore.

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“…A score of 16 or higher indicates the possibility of depression. The CES-D is one of the most widely applied indicators of PSD( Meader et al, 2014 ), and its reliability and validity have been documented ( Ohno et al, 2017 ; Shima et al, 1994 ; Shima et al, 1985 ; Meader et al, 2014 ; Towfighi et al, 2017 ; Shinar et al, 1986 ).…”

Section: Methodsmentioning

confidence: 99%

An iPad application-based intervention for improving post-stroke depression symptoms in a convalescent rehabilitation ward: A pilot randomized controlled clinical trial protocol

Uchida

Hiragaki

Nishi

et al. 2020

Internet Interventions

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Background Post-stroke depression (PSD) is a neuropsychiatric sequela that causes serious adverse effects on the prognosis of stroke patients. Our developed iPad application is a very innovative approach designed to improve participants' depressive symptoms by presenting positive words stimuli in a video. Although this application has fewer side effects than existing pharmacological and non-pharmacological interventions and is likely less burdensome for patients and caregivers, its efficacy for PSD has not been investigated. Here we present a pilot randomized controlled trial (RCT) protocol to investigate the therapeutic potential of this application intervention for PSD patients. Methods This study is designed as a 5-week, single-center, open-label, parallel-group, pilot RCT. Thirty-two patients with PSD will be randomly assigned to a combination of the iPad application and usual rehabilitation or usual rehabilitation alone (1:1 allocation ratio). The iPad application intervention lasts 3 min a day, and the usual rehabilitation lasts 3 h a day. The primary outcome is the change from baseline in The Center for Epidemiologic Studies Depression Scale score at the end of the 5-week intervention. Discussion This pilot RCT is the first study to investigate the potential of iPad application interventions to reduce depressive symptoms in PSD patients. This pilot RCT determines whether this is a viable and effective intervention and informs the design for a full-scale trial. If our hypothesis is correct, this trial can provide evidence to augment the standard practice of iPad application interventions to improve depressive symptoms in patients with PSD.

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Smallest detectable change and test‐retest reliability of a self‐reported outcome measure: Results of the Center for Epidemiologic Studies Depression Scale, General Self‐Efficacy Scale, and 12‐item General Health Questionnaire

Abstract: To confirm that the change was not a result of measurement error, a score of self-reported outcome measurement scales would need to change by an amount greater than these SDC values. This has important implications for clinicians and epidemiologists when assessing outcomes.

Cited by 27 publications

References 53 publications

Feasibility and preliminary efficacy of a smartphone application intervention for subthreshold depression

Feasibility and preliminary efficacy of a smartphone application intervention for subthreshold depression

Validity and reliability of the Assessment of Spondyloarthritis International Society Health Index in English‐speaking patients with axial spondyloarthritis in Singapore

An iPad application-based intervention for improving post-stroke depression symptoms in a convalescent rehabilitation ward: A pilot randomized controlled clinical trial protocol

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