Country

Population examined

Author

Misuse rate

USA

283 students; Massachusetts College of Liberal Arts; mean age: 21

(data collection: unknown)

Babcock

and Byrne, 2000 [22]

Lifetime prevalence: 16.6%

USA

150 students; small, competitive college; mean age: 20.1

(data collection: unknown)

Low and

Gendaszek,

2002 [30]

Last-year prevalence: 7.3%

USA

2250 students; University of Michigan; mean age: 20.1

(data collection: 2001)

Teter

et al., 2003 [31]

Last-year prevalence: 2.5%

USA

4580 students; large mid-western university; mean age: 20

(data collection: 2005)

Teter

et al., 2006 [29]

Last-year prevalence: 1.5%

USA

1025 students; University of New Hampshire

(data collection: 2002)

White

et al., 2006 [23]

Lifetime prevalence: 16.2%

USA

1253 students; large public university in mid-Atlantic region; between17-19 years

(data collection: 2004)

Arria

et al., 2008 [34]

Lifetime prevalence: 18% general stimulants, of it 39.6% MPH

USA

2087 students; currently enrolled in a 2− or 4-year college + between 18-24 years + US resident

(data collection: 2004)

DuPont

et al., 2008 [24]

Lifetime prevalence: 5.3%

GER

1035 pupils + 512 students; mean age: pupils: 19.3, students: 24

(data collection: 2009/2010)

Franke

et al., 2011 [21]

Lifetime prevalence: 0.8%

general stimulants, of it 100% MPH

GER

1053 students in Berlin; mean age: 24.6

(data collection: 2010/2011)

Mache

et al., 2012 [25]

Lifetime prevalence: 2%

SUI

6275 students; University of Zurich/ University of Basel/ Swiss Federal Institute of Technology Zurich; mean age: 23.2

(data collection: 2012/2013)

Maier

et al., 2013 [26]

Lifetime prevalence:

5.8%

SUI

1765 students; University of Zurich; median birth year: 1986

(data collection: 2011)

Ott and Biller-Andorno, 2014 [27]

Lifetime prevalence: 5.6%

IRI

1260 students; Rafsanjan University of Medical Sciences/ Valieasr University/ Rafsanjan Branch of Islamic Azad University; mean age: 21.4

(data collection: 2008)

Rezahosseini et al., 2014 [35]

Half-year prevalence:

3.4%

NL

1572 students; nationwide; mean age: 21.8

(data collection: unknown)

Schelle

et al., 2015 [28]

Lifetime prevalence:

2.5%