Depression prevalence using the HADS-D compared to SCID major depression classification: An individual participant data meta-analysis

Abstract

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Comparison of Mental Health Symptoms Prior to and During COVID-19: Evidence from a Systematic Review and Meta-analysis of 134 Cohorts

“…Rather, thresholds on these measures are typically set to cast a wide net for screening, and proportions of people above thresholds dramatically overestimate prevalence compared to validated methods based on diagnostic interviews. 6–10 In normal times, proportions of people above thresholds vary dramatically, even when the same measure and threshold are used. For example, the proportion of participants with scores of 10 or higher on the Patient Health Questionnaire-9 (PHQ-9), 11 a commonly used depression symptom measure, in large, randomly selected, regional or national general population samples pre-COVID-19, has been reported as 4% in Hong Kong (N = 6,028); 12 6% in Germany (N = 5,018); 13 7% in Shanghai, China (N = 1,045); 14 8% in the United States (N = 10,257); 15 8% in Alberta, Canada (N = 3,304); 16 11% in Sweden (N = 3,001); 17 and 22% in Jiangsu, China (N = 8,400).…”

A systematic review and meta-analysis of diagnostic test accuracy studies of self-report screening instruments for common mental disorders in Arabic-speaking adults

“…Ali et al (2016) conclude that the HADS-A is an adequate screener in LAMICs, but reported strong to very strong validity for primary studies that used the English (with Yoruba) version of HADS-A, and weak to strong validity for other language versions (Portuguese and Chinese) (Ali et al, 2016). Based on our meta-analyses and in line with Brehaut et al (2020), the evidence for the validity of the Arabic HADS is questionable.…”

“…In a recent IPDMA on the accuracy of the HADS-D to estimate depression prevalence, Brehaut et al . ( 2020 ) found the commonly used cut-off of 8 (‘doubtful cases’) significantly overestimated depression prevalence, while a cut-off of 11 (‘definite cases’) may either over- or underestimate depression prevalence. Ali et al .…”

“…Based on our meta-analyses and in line with Brehaut et al . ( 2020 ), the evidence for the validity of the Arabic HADS is questionable.…”

Comparison of Mental Health Symptom Changes from pre-COVID-19 to COVID-19 by Sex or Gender: A Systematic Review and Meta-analysis

“…Three factors may feed this discrepancy. One is the publication of many crosssectional studies that report proportions above cut-offs on self-report measures, which are not designed for that purpose, [68][69][70][71][72] and assume that what are perceived as high numbers, generally, or sex differences, comparatively, must not have been present pre-COVID-19. 36 A second is the use of surveys that ask questions about well-being with COVID-19 explicitly assigned as a cause; illustrating the pitfalls of this, a study of over 2,000 young Swiss adult men found Mental Health Symptom Changes Following COVID-19 by Sex or Gender significant angst when questions were asked in this way, but no changes in validated measures of depression symptoms and stress from pre-COVID.…”