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Table 2 Prevalence of DSM-IV social anxiety disorder (SAD) in the World Mental Health surveys

From: The cross-national epidemiology of social anxiety disorder: Data from the World Mental Health Survey Initiative

Country Lifetime prevalence 12-month prevalence 30-day prevalence 12-month prevalence of SAD among lifetime cases 30-day prevalence of SAD among 12-month cases Sample size used
% SE % SE % SE % SE % SE
Low/lower-middle income countries 1.6 0.1 1.0 0.1 0.5 0.0 62.6 2.5 52.0 3.4 36,498
 Colombia 5.0 0.5 2.9 0.3 1.6 0.3 58.0 4.6 54.9 6.1 4426
 Iraq 0.8 0.2 0.7 0.2 0.5 0.2 86.0 7.5 72.0 6.9 4332
 Nigeria 0.2 0.1 0.2 0.1 0.1 0.1 96.3 3.9 83.3 11.7 6752
 Peru 2.6 0.3 1.4 0.1 0.5 0.1 54.2 3.2 35.5 6.8 3930
 PRC China 0.5 0.1 0.4 0.1 0.2 0.1 66.6 11.9 52.8 13.7 5201
 PRC Shen Zhen 0.9 0.2 0.7 0.1 0.2 0.1 76.5 6.0 29.3 9.9 7132
 Ukraine 2.6 0.2 1.5 0.2 1.0 0.2 59.9 4.9 62.3 7.8 4725
Upper-middle income countries 2.9 0.1 2.1 0.1 1.3 0.1 72.4 2.1 61.4 2.6 28,927
 Brazil 5.6 0.4 3.9 0.3 2.7 0.3 70.8 4.5 67.5 5.2 5037
 Bulgaria 0.8 0.2 0.6 0.2 0.4 0.1 74.7 7.0 58.9 9.4 5318
 Colombia (Medellin) 4.6 0.5 3.8 0.5 2.2 0.4 82.7 3.8 58.3 6.5 3261
 Lebanon 1.9 0.4 1.3 0.3 0.8 0.2 67.0 7.0 61.3 9.4 2857
 Mexico 2.9 0.2 2.0 0.2 1.1 0.2 69.4 4.0 53.4 4.9 5782
 Romania 1.3 0.3 1.0 0.2 0.6 0.2 74.7 8.3 60.1 12.2 2357
 South Africa 2.8 0.4 1.9 0.3 1.2 0.2 68.7 5.8 64.4 5.6 4315
High income countries 5.5 0.1 3.1 0.1 1.7 0.1 57.3 1.0 53.1 1.2 76,980
 Australia 8.5 0.4 4.2 0.3 1.9 0.2 49.8 2.9 44.7 3.3 8463
 Belgium 2.0 0.4 1.2 0.2 0.7 0.2 59.8 7.2 58.4 13.5 2419
 France 4.3 0.5 2.6 0.4 1.8 0.3 59.3 5.2 71.8 6.7 2894
 Germany 2.5 0.3 1.5 0.2 1.0 0.2 60.4 6.0 63.7 7.7 3555
 Italy 1.9 0.2 1.1 0.2 0.6 0.1 60.0 5.4 52.8 8.6 4712
 Japan 1.4 0.2 0.7 0.2 0.5 0.1 51.9 8.1 68.4 9.3 4129
 New Zealand 9.5 0.3 5.3 0.3 2.8 0.2 56.0 1.8 52.5 2.5 12,790
 Northern Ireland 6.0 0.4 4.0 0.3 2.5 0.3 65.8 2.9 63.4 4.6 4340
 Poland 1.4 0.1 0.9 0.1 0.5 0.1 63.4 3.8 55.1 4.5 10,081
 Portugal 4.7 0.5 3.1 0.4 1.7 0.2 67.1 3.9 54.2 4.8 3849
 Spain 1.2 0.2 0.7 0.1 0.4 0.1 56.3 6.9 58.6 12.4 5473
 Spain (Murcia) 1.7 0.2 1.2 0.2 0.9 0.2 67.7 11.0 74.4 10.3 2621
 The Netherlands 2.6 0.4 1.3 0.3 1.0 0.3 50.8 9.3 73.9 8.1 2372
 USA 12.1 0.4 7.1 0.3 3.5 0.2 58.8 1.7 48.9 1.9 9282
All countries combined 4.0 0.1 2.4 0.1 1.3 0.0 60.2 0.8 54.5 1.0 142,405
WHO regionsa            
 Region of the Americas 6.4 0.2 4.0 0.1 2.1 0.1 62.8 1.3 53.1 1.6 31,718
 African region 1.2 0.2 0.9 0.1 0.6 0.1 71.1 5.5 66.7 5.3 11,067
 Western Pacific region 5.5 0.2 3.0 0.1 1.5 0.1 54.5 1.5 49.4 1.9 37,715
 Eastern Mediterranean region 1.2 0.2 0.9 0.2 0.6 0.1 74.2 5.7 66.0 6.1 7189
 Western European region 3.0 0.1 1.9 0.1 1.2 0.1 62.4 1.8 62.3 2.5 32,235
 Eastern European region 1.5 0.1 1.0 0.1 0.6 0.1 64.7 2.7 58.6 3.7 22,481
Comparison between countriesb χ2 27 = 78.6*, P < 0.001 χ2 27 = 46.3*, P < 0.001 χ2 27 = 25.7*, P < 0.001 χ2 27 = 3.3*, P < 0.001 χ2 27 = 2.4*, P < 0.001  
Comparison between low, middle, and high income country groupsb χ2 2 = 387.5*, P < 0.001 χ2 2 = 224.2*, P < 0.001 χ2 2 = 121.7*, P < 0.001 χ2 2 = 21.3*, P < 0.001 χ2 2 = 4.5*, P = 0.01  
Comparison between WHO regionsb χ2 5 = 207.5*, P < 0.001 χ2 5 = 118.4*, P < 0.001 χ2 5 = 53.2*, P < 0.001 χ2 5 = 6.1*, P < 0.001 χ2 5 = 5.2*, P < 0.001  
  1. *Significant at the 0.05 level
  2. a Region of the Americas (Colombia, Mexico, Brazil, Peru, USA, Medellin); African region (Nigeria, South Africa); Western Pacific region (PRC Shen Zhen, PRC Beijing and Shanghai, Japan, Australia, New Zealand); Eastern Mediterranean region (Iraq, Lebanon); Western European region (Belgium, France, Germany, Italy, The Netherlands, Spain, Northern Ireland, Portugal, Murcia); Eastern European region (Romania, Bulgaria, Poland, Ukraine)
  3. bChi-square test of homogeneity to determine if there is variation in prevalence estimates across countries
  4. SE standard error