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. Author manuscript; available in PMC: 2016 Nov 23.
Published in final edited form as: JAMA Psychiatry. 2015 Jul;72(7):697–705. doi: 10.1001/jamapsychiatry.2015.0575

Table 2.

Lifetime and 12-month prevalence of psychotic experiences in the World Mental Health surveys

Lifetime Any PEb Lifetime Any HEc Lifetime Any DEd 12-month PE Total Sample

Income categorya Country n1e (%f, SE) n1e (%f, SE) n1e (%f, SE) n1e (%f, SE) Ng
Low and Lower-Middle Colombia 73 (7.5,1.2) 68 (7.1,1.2) 11 (0.9,0.3) 25 (2.1,0.5) 722
Iraq 51 (1.2,0.2) 46 (1.1,0.2) 13 (0.4,0.2) 25 (0.7,0.2) 4329
Nigeria 39 (2.2,0.5) 32 (1.7,0.4) 16 (1.0,0.4) 15 (1.0,0.4) 1417
PRC-Shenzhen 151 (5.3,0.8) 116 (3.8,0.6) 54 (1.8,0.4) 45 (1.4,0.3) 2468
Peru 36 (6.4,1.4) 33 (6.1,1.4) 7 (1.1,0.4) 18 (3.3,0.9) 530
Total Low and Lower-Middle 350 (3.2,0.3) 295 (2.6,0.2) 101 (0.9,0.1) 128 (1.2,0.2) 9466

Upper-Middle Brazil-Sao Paulo 548 (14.9,0.9) 471 (13.3,0.9) 183 (3.6,0.3) 230 (5.6,0.4) 2922
Lebanon 37 (1.9,0.4) 30 (1.6,0.4) 14 (0.6,0.3) 15 (0.9,0.4) 1029
Mexico 53 (4.1,1.0) 49 (3.6,0.9) 12 (0.8,0.4) 22 (1.4,0.4) 715
Romania 24 (1.0,0.4) 21 (0.9,0.4) 5 (0.1,0.1) 9 (0.3,0.1) 2357
Total Upper-Middle 662 (7.2,0.4) 571 (6.4,0.4) 214 (1.7,0.1) 276 (2.7,0.2) 7023

High Belgium 32 (8.3,2.5) 19 (5.0,1.6) 20 (5.7,2.3) 11 (4.1,2.4) 319
France 27 (5.7,1.4) 23 (4.9,1.3) 7 (1.6,0.6) 6 (1.3,0.7) 301
Germany 25 (2.8,0.5) 16 (1.8,0.4) 13 (1.3,0.3) 6 (1.0,0.2) 408
Italy 38 (4.5,0.8) 31 (3.5,1.0) 16 (1.9,0.6) 12 (1.3,0.5) 617
Netherlands 47 (10.8,2.5) 41 (10.1,2.5) 11 (1.6,0.5) 13 (3.0,1.2) 348
New Zealand 724 (6.9,0.4) 667 (6.5,0.4) 134 (0.9,0.1) 271 (2.4,0.2) 7263
Portugal 140 (5.2,0.7) 106 (3.9,0.5) 66 (2.6,0.5) 43 (1.7,0.3) 2053
Spain 91 (6.7,1.5) 77 (5.8,1.5) 35 (1.4,0.4) 19 (0.9,0.2) 1159
United States 249 (8.6,0.9) 232 (8.2,0.9) 41 (1.3,0.2) 79 (2.8,0.4) 2304
Total High 1373 (6.8,0.3) 1212 (6.2,0.3) 343 (1.4,0.1) 460 (2.2,0.2) 14772

All Countries 2385 (5.8,0.2) 2078 (5.2,0.2) 658 (1.3,0.1) 864 (2.0,0.1) 31261
a

Income = Based on World Bank country level of economic development (The World Bank. (2008). Data and Statistics. Accessed May 12, 2009 at: http://go.worldbank.org/D7SN0B8YU0);

b

PE = Psychotic experience (any of the six types);

c

HE = Hallucinatory experience (either of the two types);

d

DE = Delusional experience (any of the four types);

e

n1 = Unweighted number of respondents who reported the PEs;

f

Prevalence estimates are based on weighted data;

g

N = The total unweighted number of respondents who were asked about PEs.