Table 1.
Study | Country | Prevalence | Female | Male |
---|---|---|---|---|
Bergman30 | Sweden | 12-month | 38% | 31% |
Blythe41,* | Australia | 6-month | 20% | 17% |
Bouhassira44 | France | Current | 35% | 28% |
Breivik47 | Europe | 6-month | 11% | 10% |
Gerdle158 | Sweden | 3-month | 59% | 48% |
Rustoen351 | Norway | Current | 28% | 23% |
Smith377 | United Kingdom | Current | 52% | 49% |
Tsang415 | 17 countries | 12-month | 45% | 31% |
Von Korff427 | United States | 12-month | 20% | 18% |
Wijnhoven442 | Netherlands | 12-month | 49% | 41% |
NOTE. Bolded numbers reflect significant sex differences in prevalence.
Blyth et al did not indicate the significance of the difference.