Table 1. Characteristics of the 15 studies included in the meta-analysis.
Study | Country (region) | Year(s) study conducted | Sampling methoda | Diagnostic criteriab | Sample size | Diagnoses consideredc | Number of cases in different time intervals |
||
lifetime | prior 12 months | prior 4 weeks | |||||||
Lee 1990(A)[28] | South Korea (Seoul) | 1984 | C,M,R | DSM-III | 3134 | AN | 1 | — | — |
Lee 1990(B)[29] | South Korea (rural areas) | 1984 | C,M,R | DSM-III | 1966 | AN | 0 | — | — |
Rand 1992[30] | United States (Florida) | 1984-1985 | R,M | DSM-III | 2115 | BN | 23 | — | — |
Bijl 1998[31] | Netherlands | 1996 | M,S,R | DSM-III-R | 7076 | EDd | 49 | 27 | 18 |
AN | 7 | 0 | 0 | ||||||
BN | 42 | 27 | 18 | ||||||
Kringlen 2001[32] | Norway (Oslo) | 1994-1997 | R | DSM-III-R | 2066 | EDd | 37 | 14 | — |
Meyer 2001[33] | Germany | 1996-1997 | R | DSM-IV | 4075 | EDd | 28 | 7 | 3 |
AN | 4 | 0 | 0 | ||||||
BN | 2 | 0 | 0 | ||||||
Roca-Bennasar 2001[34] | Spain (Formentera) | 1999 | S,M | ICD-10 | 697 | EDd | — | — | 13 |
Andrade 2002[35] | Brazil (São Paulo) | 1994-1995 | S,M, | ICD-10 | 1464 | AN | 0 | 0 | 0 |
BN | 22 | 15 | 10 | ||||||
Jacobi 2004[36] | Germany | 1998-1999 | M,R,S | DSM-IV | 4181 | EDd | 33 | 14 | 8 |
Well 2006e[25] | New Zealand | 2003-2004 | M,S | DSM- IV | 7435 | EDd | 129 | 36 | 15 |
Browne 2006e[26] | AN | 45 | <7 | — | |||||
Browne 2006e[27] | BN | 95 | 31 | — | |||||
Cho 2007[19] | South Korea | 2001 | M,C,R | DSM- IV | 6275 | EDd | 13 | 3 | — |
AN | 10 | 3 | — | ||||||
BN | 3 | 0 | — | ||||||
Hudson 2007[37] | United States | 2001-2003 | R,M,C | DSM- IV | 2980 | AN | 19 | 0 | — |
BN | 32 | 9 | — | ||||||
BED | 85 | 37 | — | ||||||
Preti 2009[20] | 6 Western European countriesf | 2001-2003 | S,M,C | DSM- IV | 4139 | EDd | 155 | 44 | — — — |
AN | 22 | 1 | |||||||
BN | 46 | 11 | |||||||
BED | 77 | 28 | |||||||
Swanon 2012[38] | Mexico | 2001-2003 | S,M,R | DSM- IV | 1234 | BED | 32 | — | — |
Kessler 2013[39] | 14 countriesg | 2001-2009 | S,M,C | DSM- IV | 24,124 | BN | 241 | 96 | — |
BED | 458 | 193 | — |
a R, random sampling; C, clustered sampling; S, stratified sampling; M, multi-stage sampling
b DSM, Diagnostic and Statistical Manual; ICD, International Classification of Diseases
c ED, eating disorders; AN, anorexia nervosa; BN, bulimia nervosa; BED, binge eating disorder
d ED is defined as the sum of AN and BN in four studies,[19],[25]–[27],[31],[32] as the sum of AN,BN and other atypical eating disorders in three studies,[20],[33],[36] and is not clearly defined on one study[34]
e The three reports on the study from New Zealand only provided rates so the numbers of cases are estimated multiplying the reported rates by the reported sample size
f 6 European countries: Belgium, France, Germany, Italy, Netherlands and Spain
g Countries participating in WHO World Mental Health Survey: Colombia, Brazil, Mexico, Romania, Belgium, France, Germany, Italy, Netherlands, New Zealand, Northern Ireland, Portugal, Spain and United States