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Table 1 Sample characteristics

From: Rates of undiagnosed attention deficit hyperactivity disorder in London drug and alcohol detoxification units

Total sample size

N=226

Male gender

173 (76.5%)

Mean age*

39.0 (SD 10.3)

Ethnicity*

183 (81.0%) White European

Alcohol dependence*

112 (49.6%)

Drug dependence*

29 (12.8%)

Alcohol and drug dependence*

85 (37.6%)

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BMC Psychiatry

ISSN: 1471-244X

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