ALSPAC_Children_81months
Population
ALSPAC - Children
The population consists of any resulting child from all pregnant women residents in the old administrative county of Avon if their estimated delivery date fell between 1 April 1991 and 31 December 1992.
Data Collection Event
ALSPAC - Children - 81 months
Information was collected through the use of questionnaires, and registries.
Some questions were child based and some were child completed. Questionnaires specifically collected information about child’s health and behaviour from mother as well as information from child’s own questionnaire. Information was collected about physical health, mental and cognitive issues, diet and nutrition, environmental characteristics, social characteristics, parenting, substance use, and activities. Information about current health and symptoms, seen doctor, hospital admissions, surgical procedures, allergies, eczema and asthma, diarrhea or gastrointestinal problems, convulsions or seizures, infections, speech, growth problems, sleeping, diet and nutrition information including food frequency, feeding difficulties, eating behaviours, school packed lunch, dietary supplements and food allergies was collected as well as sleeping environment, social information about siblings and parenting information. Information concerning alcohol use, activities such as toys activities, help in the home, activities with adults and activities with siblings were also collected.
Amongst mental and cognitive issues information about development, parental concerns over development, language/vocabulary, communication, strengths and difficulties, social development, and life events was collected.
Children have been linked to the Clinical Practice Research Datalink (CPRD) database, Pupil Level Annual School Census (PLASC), Annual School Census (ASC) and National and the Pupil Database (NPD).
Participants were linked to residential addresses across the life course. Linkages could be established to co-ordinates or health, political and administrative geographies. Participants could also be linked to neighbourhood data.