Questionnaires

Questionnaires are provided in pdf format and can be downloaded using the links. Use the quick links below to jump to a particular wave. Some authors of copyrighted scales have requested that the item detail be removed, so these will appear as blank or redacted sections on the questionnaires.

Quick links:

• Child Cohort Wave 1 (Age 9 years)
• Child Cohort Wave 2 (Age 13 years)
• Child Cohort Wave 3 (Age 17/18 years)
• Child Cohort Wave 4 (Age 20 years)
• Child Cohort ’98 COVID Survey
• Wave 5 Questionnaires – Age 25 Years

• Infant Cohort Wave 1 (Age 9 months)
• Infant Cohort Wave 2 (Age 3 years)
• Infant Cohort Wave 3 (Age 5 years)
• Infant Cohort Wave 4 (Age 7/8 years)
• Infant Cohort Wave 5 (Age 9 years)
• Infant Cohort ’08 COVID Survey
• Infant Cohort Wave 6 (Age 13 years)

• Cohort 24 Wave 1 (Age 9 months)

Child Cohort (Cohort ’98)

Wave 1 Questionnaires – age 9 Years

Questionnaires for parents/guardians

• Primary Caregiver Main Questionnaire (9 Year)
• Primary Caregiver Supplementary Questionnaire (9 Year)
• Secondary Caregiver Main Questionnaire (9 year)
• Secondary Caregiver Supplementary Questionnaire (9 Year)
• Primary Caregiver Twin Questionnaire (9 Year)
• Secondary Caregiver Twin Questionnaire (9 Year)

Questionnaires for children

• 9 Year Cohort Main Child Questionnaire
• 9 Year Cohort Child Supplementary Questionnaire
• 9 Year Cohort Child on Mum
• 9 Year Cohort Child on Dad
• 9 Year Cohort Child on Mum’s Partner
• 9 Year Cohort Child on Dad’s Partner

Questionnaires for teachers and principals

• 9 Year Cohort Teacher on Self Questionnaire
• 9 Year Cohort Teacher on Pupil Questionnaire
• 9 Year Cohort Principal Questionnaire

Other questionnaires

• 9 Year Cohort Time Use Diary
• 9 Year Cohort Home Based Carer Questionnaire
• 9 Year Cohort Centre Based Carer Questionnaire
• 9 Year Cohort Non Resident Parent Questionnaire

Wave 2 Questionnaires – Age 13 years

Questionnaires for parents/guardians

• Primary Caregiver Questionnaire (13 years)
• Primary Caregiver Supplementary Questionnaire (13 years)
• Primary Caregiver Twin Questionnaire (13 years)
• Secondary Caregiver Main Questionnaire (13 years)
• Secondary Caregiver Supplementary Questionnaire (13 years)
• Secondary Caregiver Twin Questionnaire (13 years)

Questionnaires for the 13-year-old (Young Person)

• Young Person’s Questionnaire
• Young Person’s Supplementary Questionnaire (Boys)
• Young Person’s Supplementary Questionnaire (Girls)
• Young Person on Mother Questionnaire
• Young Person on Father Questionnaire
• Young Person on Father’s Partner Questionnaire
• Young Person on Mother’s Partner Questionnaire

Other instruments

• Non-resident Parent Questionnaire
• Time-use Diary

Wave 3 Questionnaires – Age 17/18 years

Questionnaires for Parents/Guardians

• Parent One Main Questionnaire 17/18 years
• Parent One Supplementary Questionnaire 17/18 years
• Parent One Twin Questionnaire 17/18 years
• Parent Two Main Questionnaire 17/18 years
• Parent Two Supplementary Questionnaire 17/18 years
• Parent Two Twin Questionnaire (17/18 years)

Questionnaires for the Young Person (Study Child)

• Young Person Main Questionnaire (17/18 years)
• Young Person Supplementary Questionnaire (17/18 years)
• Time-Use Diary and Food Frequency Questionnaire (17/18 years)

Other questionnaires

• Principal Questionnaire (17/18 years)
• Parent Living Elsewhere (17/18 years)

Wave 4 Questionnaires – Age 20 years

Questionnaires for the Parent/Guardian

• Parent Main Questionnaire (20 years)
• Parent Self-Complete Questionnaire (20 years)
• Parent Main Twin Questionnaire (20 years)

Questionnaires for the Young Adult/20-Year-Old

• Young Adult Main Questionnaire (20 years)
• Young Adult Self-Complete Questionnaire (20 years)
• Young Adult Time-use Diary (20 years)

Cohort ’98 COVID-19 Survey

Questionnaire for Young Adult

• Young Adult COVID-19 Questionnaire

Wave 5 Questionnaires – Age 25 Years

Questionnaire for 25-Year-Old

• Cohort ’98 at 25 Questionnaires

Infant Cohort (Cohort ’08)

Wave 1 Questionnaires – Age 9 Months

Parent/Guardian Questionnaires

• Primary Caregiver Main Questionnaire
• Primary Caregiver Supplementary Questionnaire
• Primary Caregiver Twin Supplement
• Secondary Caregiver Main Questionnaire
• Secondary Caregiver Supplementary Questionnaire
• Secondary Caregiver Twin Supplement

Postal Questionnaires to Other Respondents

• Non-resident Parent Questionnaire
• Home Based Carer Questionnaire
• Centre Based Carer Questionnaire

Wave 2 Questionnaires – Age 3 years

Parent/Guardian Questionnaires

• Primary Caregiver Main Questionnaire- 3 Years
• Primary Caregiver Supplementary Questionnaire 3 Years
• Primary Caregiver Twin Supplement
• 3 Years- Secondary Caregiver Main Questionnaire
• 3 Years- Secondary Caregiver Supplementary Questionnaire
• Secondary Caregiver Twin Supplement

Postal Questionnaires to Other Respondents

• 3 Years- Home-Based Carer Questionnaire
• 3 Years – Centre-Based Carer Questionnaire
• 3 Years- Non Resident Parent Questionnaire

Wave 3 Questionnaires – Age 5 years

Parent/Guardian Questionnaires

• 5-Year Primary Caregiver Main Questionnaire
• 5 Year- Primary Caregiver Supplementary Questionnaire
• 5 year – Primary Caregiver Twin Supplement
• 5 Year- Secondary Caregiver Main Questionnaire
• 5 Year- Secondary Caregiver Supplementary Questionnnaire
• Secondary Caregiver Twin Supplement

School and Postal Questionnaires

• 5 Year- Parent Living Elsewhere Questionnaire
• 5 Years- Principal Questionnaire
• 5 Years- Teacher on Pupil Questionnaire
• 5 Years- Teacher on Self Questionnaire

Wave 4 Postal Questionnaire – Age 7/8 years

• 7/8 year – Primary Caregiver Postal Questionnaire

Wave 5 Questionnaires – AGE 9 YEARS

Parents/Guardian Questionnaires:

• Primary Caregiver Main Questionnaire – Infants at 9 Years
• Primary Caregiver Supplementary Questionnaire – Infants at 9 Years
• Secondary Caregiver Main Questionnaire – Infants at 9 Years
• Secondary Caregiver Supplementary Questionnaire – Infants at 9 Years
• Primary Caregiver Twin Questionnaire – Infants at 9 Years
• Secondary Caregiver Twin Questionnaire – Infants at 9 Years

Child Questionnaires:

• Child Main Questionnaire – Infants at 9 Years
• Child Supplementary Questionnaire – Infants at 9 Years

Teacher / Principal Questionnaires:

• Teacher on Self Questionnaire – Infants at 9 Years
• Teacher on Pupil Questionnaire – Infants at 9 Years
• Principal Questionnaire – Infants at 9 Years

Other Questionnaires:

• Time Use Diary – Infants at 9 Years
• Non-Resident Parent Questionnaire – Infants at 9 Years

Cohort ’08 COVID-19 Survey

• Parents of 12/13-Year-Old Questionnaire
• 12/13-Year-Old Questionnaire

Wave 6 Questionnaires – AGE 13 YEARS

Parents/Guardian Questionnaires:

• Primary Caregiver Main Questionnaire
• Primary Caregiver Self-Complete Questionnaire
• Secondary Caregiver Main Questionnaire
• Secondary Caregiver Self-Complete Questionnaire
• Primary Caregiver Twin Questionnaire

Young Person Questionnaires:

• Young Person Main Questionnaire
• Young Person Self-Complete Questionnaire
• Young Person Short & Proxy Questionnaire

Teacher / Principal Questionnaires:

• School Principal’s Questionnaire 

Cohort ’24

Wave 1 Questionnaires – AGE 9 MONTHS

Questionnaires for parents/guardians

• Primary Informant Questionnaire
• Parent or Guardian Questionnaire