Table 1.

Prevalence rates of DSM-based gambling disorder in nationally representative general population surveys of over 3,000 respondents

First author (or study), year		Country		N		Ages		Instrument		%
Bonke, 2006		Denmark		8,153		18-74		National Opinion Research Center Screen		0.1
TNS EMNID, 2011		Germany		15,002		≥ 18		Diagnostic Interview Schedule-IV		0.2
Sproston, 2000		Great Britain		7,680		≥ 16		DSM-IV		0.2
National Council on Problem Gambling, 2015		Singapore		3,000		≥ 18		DSM-IV		0.2
Petry, 2005		USA		42,989		≥ 18		NIAAA Alcohol Use Disorder and Associated Interview Schedule-DSM-IV (AUDADIS-IV)		0.2
Kessler, 2008		USA		3,435		≥ 18		Composite International Diagnostic Interview		0.3
Wardle, 2011		Great Britain		7,756		≥ 16		DSM-IV		0.4
Ólason, 2005		Iceland		5,000		18-70		Diagnostic Interview for Gambling Screen		0.5
Ferris, 2001		Canada		3,120		≥ 18		DSM-IV		0.7