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Table 2 Self-rated mental health study characteristics

From: Single item measures of self-rated mental health: a scoping review

Characteristic # of studies Characteristic # of studies
  (N = 57)   (N = 57)
Country: Sample size:
United States 26 <500 8
Canada 20 500–10, 000 32
Other¥ 11 >10, 000 17
Data type: *Study populations:
Primary data collection 17 Children ≤12 yrs 0
Secondary data analysis 40 Adults 60+ 9
Study design: Individuals with medical conditions§ 4
Cross sectional 51 Psychological or psychiatric disorders 19
Prospective 6 Mental health service users 5
Case–control 1 University students 2
   Caregivers for the elderly 1
   Veterans 1
*Sex: General sample 23
Mixed-sex sample 56 Objective for using SRMH:
Male-only sample 1 Validation study 4
Female-only sample 0 Major variable in a research study 37
Analysis of gender differences in SRMH 16 Minor variable in a research study 16
Secondary data sources used in multiple studies: SRMH as major variable & review themes:
Canadian Community Health Survey 13 Validation/ Mental health condition 9
Medical Expenditure Panel Survey 7 Physical health 4
Mental Health Supplement to the Ontario Health Survey 2 Health service (utilization, satisfaction) 13
National Latino Asian-American Study 9 Social determinants of health 19
  1. *Categories under some headings are not mutually exclusive; column totals do not always add to 57.
  2. ¥Other: China 2, Singapore 2, England 1, Japan 1, Nigeria 1, Puerto Rico 1, Sri Lanka 1, Turkey 1, Ukraine 1.
  3. §Medical conditions: Asthma, medically unexplained physical symptoms, multiple sclerosis, restless leg.
  4. Syndrome, hypertension.