Table 1

Sociodemographic details

n%
Sex
    Male1130.6
    Female2569.4
Ethnicity
    White/British3597.2
    White/European 1 2.8
    Other 0 0.0
Standard occupational classification of parents36
    Level 41233.3
    Level 31541.7
    Level 2 719.4
    Level 1 2 5.6
MeanSDRange
Occupations are classified in terms of their skill as defined by the nature and duration of the qualifications, training, and work experience required for competency in tasks of a particular job. Level 4 relates to professional occupations and managerial positions; level 3 includes technical occupations and a variety of trade occupations; level 2 includes machine operation, caring, and clerical occupations; level 1 includes cleaners, porters, and catering assistants.
Age (years)15.921.5911–18
No. of months pre–presentation27.219.93–77
Total no. of months in treatment24.417.14–76