Skip to main content

Table 1 Characteristics of studies used in the data analysis (N = 45)

From: Evidence-based design recommendations for prevalence studies on multimorbidity: improving comparability of estimates

Topic Description Number
Study characteristics Studies contributing age groups 45
Studies comprising several distinct substudiesa 3
Countries represented 17
Setting General population 21
Primary care practice 12
Hospital/nursing home 3
Health insurance 8
Several settings (and different data sets)b 1
Disease classification Name of diseases/disease groups only 30
Diseases based on international classification systems 15
No. of diseases in the classification Range of diseases under study 5 to over 300
Median 16
Data collection period Up to one year 25
One year or more 19
Several periodsc 1
No. of study participants Range of persons under study 301 to 5.6 million
Median 6864
No. of age groups 1 26
2 to 3 9
4 to 6 10
  1. a[1719]
  2. b[19]
  3. c[17]