Country

Population examined

Author

Misuse rate

Civilian population

USA

Non-institutionalized population; aged 12 or older

(data collection: 2000-2002)

Kroutil

et al., 2006 [45]

7.3 million citizens at least once ADHD-medication, of it 4,529 thousand MPH

USA

4,297 civilian, non-institutionalized adults; between 18-49

(data collection: 2005)

Novak

et al., 2007 [46]

Lifetime prevalence: 4.20%

Last-year prevalence:

0.57%

USA

24,409 non-institutionalized youths and adults; between 16-35

(data collection: 2003)

Wu

et al., 2007 [32]

Lifetime prevalence:

10.5% men/9.6% women

general stimulants, of it 78.2% men/58.4% women MPH

“Nature” readers

World-wide

1.400 “Nature” readers from 60 countries

(data collection: unknown)

Maher, 2008 [47]

Lifetime prevalence: 20% general medicaments, of it 62% MPH