mHealth
Mobile Immediate Mood Scaler validation
Open access · cc by · source: Europe PMC
A 22-item mobile Immediate Mood Scaler correlated strongly with standard PHQ-9 and GAD-7 scores in 110 participants.
Key findings
IMS total scores correlated with PHQ-9 (r=.59) and GAD-7 (r=.57). Factor analyses supported briefer item sets. Authors argue momentary mobile scales can complement infrequent clinic questionnaires for mood monitoring.
Methodology
110 adults from clinical and community sites completed the Immediate Mood Scaler (IMS) on iPads alongside PHQ-9, GAD-7, and related measures to test whether a brief in-the-moment mood scale tracks depression and anxiety severity.
Limitations
Cross-sectional correlations do not prove the IMS improves treatment outcomes. The convenience sample mixes epilepsy inpatients and psychology/community recruits, limiting generalizability to routine outpatient anxiety care.
How this study connects
Role on claims
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As a reference instrument, PHQ-9 correlated with a brief mobile Immediate Mood Scaler at r=.59 (GAD-7 r=.57) among 110 clinical and community adults. That cross-sectional correlation supports complementary in-the-moment monitoring; it does not show that IMS improves treatment outcomes, and the mixed epilepsy/community sample is not routine outpatient anxiety care.
Evidence for the claim as stated.
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