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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
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BMC Medicine

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