Table 6 Measures collected at 24 month follow-up from parents/carers

Section 2 – consent

Life at home

Family activities

From HBSC/11-16 West of Scotland adult questionnaire

Family functioning

TO

Family relationship index [69, 70]

Parenting/child management

IO

General child management measure, project family [71, 72, 77]

SO

Parent–child bonding

ST

Adapted from Spoth’s rural urban cumulative risk index and Arthur, et al. [78, 79]

Parents and school

Question developed by project team and one from Conger’s child rearing practices measure

Participant substance use

Smoking behaviour

Heaviness of smoking index [75]

Alcohol use

Adapted AUDIT-C questions, as used by Pre-empt study [76]

Drug use

Adapted from HBSC/NatCen/NFER [65]

Health

Health status

HE

GHQ [80, 81]

TO

Health

HE

1 item from SF-36 [82]

Health state today

HE

EQ-5D [73]

TO

Service utilisation

Health, social care, education and criminal justice service utilisation

HE

Modified from ALSPAC