Country by income category | Surveyb | Sample characteristicsc | Field Dates | Age range | Sample Size Part II | Response rate (%)d | Any DSM-IV 12-month disorder among the Part II sample | 12-month use of providers for mental health among those with any DSM-IV 12-month disorder | ||
---|---|---|---|---|---|---|---|---|---|---|
% | SE | % | SE | |||||||
I. Low/middle-income countries | ||||||||||
 Brazil—São Paulo | São Paulo Megacity | São Paulo metropolitan area | 2005–8 | 18–93 | 2942 | 81.3 | 21.5 | 0.7 | 22.8 | 1.3 |
 Bulgaria 2 | NSHS—2 | Nationally representative | 2016–17 | 18–91 | 578 | 61.0 | 6.1 | 1.4 | 47.7 | 6.7 |
 Colombia—Medellin | MMHHS | Medellin metropolitan area | 2011–12 | 19–65 | 1673 | 97.2 | 15.2 | 1.2 | 15.8 | 2.0 |
 Iraq | IMHS | Nationally representative | 2006–7 | 18–96 | 4332 | 95.2 | 8.1 | 0.6 | 1.2 | 0.5 |
 Mexico | M-NCS | All urban areas of the country (approximately 75% of the total national population) | 2001–2 | 18–65 | 2362 | 76.6 | 11.0 | 0.8 | 17.1 | 1.9 |
 Peru | EMSMP | Five urban areas of the country (approximately 38% of the total national population) | 2004–5 | 18–65 | 1801 | 90.2 | 9.5 | 0.6 | 17.2 | 2.2 |
 PRC—Shenzhene | Shenzhen | Shenzhen metropolitan area. Included temporary residents as well as household residents | 2005–7 | 18–88 | 2475 | 80.0 | 3.8 | 0.5 | 4.2 | 0.7 |
 Romania | RMHS | Nationally representative | 2005–6 | 18–96 | 2357 | 70.9 | 5.7 | 0.5 | 20.4 | 2.6 |
 Total |  |  |  |  | 18,520 | 81.9 | 10.4 | 0.3 | 16.8 | 0.7 |
II. High-income countries | ||||||||||
 Argentina | AMHES | Eight largest urban areas of the country (approximately 50% of the total national population) | 2015 | 18–98 | 2116 | 77.3 | 11.5 | 0.7 | 26.4 | 2.8 |
 Japan | WMHJ 2002–2006 | Eleven metropolitan areas | 2002–6 | 20–98 | 1682 | 55.1 | 6.1 | 0.6 | 26.0 | 2.6 |
 New Zealande | NZMHS | Nationally representative | 2004–5 | 18–98 | 7312 | 73.3 | 18.8 | 0.5 | 34.3 | 1.3 |
 Northern Ireland | NISHS | Nationally representative | 2005–8 | 18–97 | 1986 | 68.4 | 22.5 | 1.3 | 49.7 | 2.5 |
 Poland | EZOP | Nationally representative | 2010–11 | 18–65 | 4000 | 50.4 | 8.5 | 0.4 | 17.9 | 1.7 |
 Portugal | NMHS | Nationally representative | 2008–9 | 18–81 | 2060 | 57.3 | 19.3 | 1.0 | 35.9 | 2.3 |
 Saudi Arabiae | SNMHS | Nationally representative | 2013–16 | 18–65 | 1793 | 61.0 | 11.4 | 1.1 | 15.6 | 2.8 |
 Spain-Murcia | PEGASUS- Murcia | Murcia region. Regionally representative | 2010–12 | 18–96 | 1459 | 67.4 | 12.7 | 0.9 | 40.9 | 3.0 |
 United States | NCS-R | Nationally representative | 2001–3 | 18–99 | 5692 | 70.9 | 22.3 | 0.8 | 38.3 | 1.1 |
 Total |  |  |  |  | 28,100 | 63.5 | 14.7 | 0.3 | 34.7 | 0.8 |
III. Pooled across all countries | Â | Â | Â | 46,620 | 69.4 | 13.9 | 0.2 | 29.4 | 0.6 | |
 Between countries, X216 (p-value) |  |  |  |  | 1542.34 (< 0.001)* | 3177.29 (< 0.001)* | ||||
 Low/middle-income countries vs. high-income countries, X21 (p-value) |  |  |  |  | 1081.29 (< 0.001)* | 837.55 (< 0.001)* |