Table 1.
Scale | Outcome Measured | Possible range | Cut-off | Cut-off Sensitivity, Specificity (%) | Nature of Items | No. of items | Scale | Timescale |
---|---|---|---|---|---|---|---|---|
Coronavirus Anxiety Scale (CAS) | COVID-associated Anxiety | 0–20 |
≥ 9 [21] Severe COVID-19 Anxiety |
90, 85 [21] | Frequency of adverse somatic-anxious responses to COVID-related cognitions | 5 | 5-point Likert- scale; Higher scores, more frequent symptom | Past 2 weeks |
Short Health Anxiety Inventory (sHAI) Main Section |
Health-Anxiety | 0–42 |
Health Anxiety |
Not available | Worried thoughts and feelings about health states | 14 | 4-point Likert- scale; Higher scores, more frequent symptoms | Past week |
Patient Health Questionnaire- 9 (PHQ-9) |
Depressive Disorder | 0–27 |
≥ 10 [49] Major Depression |
88, 85 [49] | Frequency of depressive symptoms | 9 | 4-point Likert- scale; Higher scores, more frequent symptoms | Past 2 weeks |
Generalised Anxiety Disorder 7-item Scale (GAD-7) |
Generalised Anxiety Disorder | 0–21 |
≥ 10 [50] Generalised Anxiety Disorder |
89, 82 [50] | Frequency of anxious thoughts and feelings | 7 | 4-point Likert- scale; Higher scores, more frequent symptoms | Past 2weeks |
Obsessive-Compulsive Inventory Revised (OCI-R) |
Obsessive Compulsive Symptoms | 0–72 | ≥ 21 [51] Obsessive-Compulsive Disorder | 65.6, 63.4 [51] | Subscales of obsessive and compulsive symptoms | 18 | 5-point Likert- scale; Higher scores, greater agreement | Past month |
Standardised Assessment of Personality – Abbreviated Scale (SAPAS) |
Personality Disorder | 0–8 | ≥ 4 [52] Personality Disorder | 94, 85 [52] | Agreement with personality traits | 8 | Yes / No | In general |
Alcohol Use Disorders Identification Test for Consumption (AUDIT-C) |
Alcohol Misuse | 0–12 |
≥4 in men and ≥ 3 in women [53] Hazardous alcohol use |
Men: 86, 89 Women: 73, 91 [53] |
Agreement with patterns of hazardous alcohol-use | 5 | Varies with each item within the scale – 5-severity categories | Varies with each item within the scale |
Single-Question Screening Test for Drug Use | Drug Misuse | 0–1 | ≥1 [54] Drug use disorder | 100, 73.5 [54] | Frequency of illicit drug use or misuse of prescription medication. | 1 | Binary; None / once or more than once | Past year |
Work and Social Adjustment Scale (WSAS) | Social and occupational function | 0–40 |
≥21 |
– | Severity of impairment in work, home management, social activities, private leisure activities, close relationships. | 5 | 9-point Likert scale; higher scores more impairment | In general |
EuroQuol 5 Domains (EQ-5D-3 L UK adjusted index values) | Quality of life | −0.594 - 1 | N/A | – | Severity of health-related quality of life in mobility, self-care, usual activities, pain, anxiety/depression. | 5 | 3-point Likert scale; higher scores, greater impact on quality of life | In general |