Table 5

Descriptive analysis of the age and sex of subjects

Age (mean ± SD)

n [Studies]


All regions

28.5 ± 12.8

880 [11,18,143,145,148-150,158]

34.5 ± 17.8

333 [11,18,143,147-149,158]

Both sexes*

41.6 ± 17.8

794 [11,14,17,149,151,154,157,158]

American Studies

26.0 ± 12.3

491 [18,143,148,150]

27.3 ± 18.9

127 [18,143,148]

Both sexes*

N/A

N/A

European Studies

27.2 ± 15.4

314 [11,145,149]

37.9 ± 18.9

191 [11,147,149]

Both sexes*

42.3 ± 20.8

672 [11,14,15,17,151,154]

Australian Studies

42.5

491 [158]

45.7

15 [158]

Both sexes*

39.5 ± 5.2

122 [157,158]

Asian Studies

N/A

N/A

N/A

N/A

Both sexes*

N/A

N/A


N/A – information not available

* Both sexes refers to studies in which information on age by sex was not provided, and thus, only mean age for the whole sample was available.

Arsenault-Lapierre et al. BMC Psychiatry 2004 4:37   doi:10.1186/1471-244X-4-37

Open Data