Collected Dataset / ALSPAC_Children_18years

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.

Information was collected through the use of questionnaires, and registries.

Questionnaire was child completed. Questionnaire specifically collected information about how time’s spent, pets they have and have had, sensation seeking, friendships moods and feelings, education, university, employment, wheezing, asthma, weight loss, eating disorders, smoking, alcohol, other drugs, antisocial behaviour, travelling to/from school/work and accidents. Information was collected about physical health, mental and cognitive issues, environmental exposures, social characteristics, school/education, employment, substance use, activities and other characteristics. Information about current health, asthma, eczema and allergies, and accidents was collected. Social information such as friendships, school information such as qualifications, current studying status and university application was collected also, as well as employment information such as current occupation, job title and unemployment. Information concerning alcohol, cigarettes drug consumption, and activities such as computer and internet use, as well as general activities and transport use was collected as well.

Amongst mental and cognitive issues information about moods and feelings, dieting behaviour and eating disorders, and sensation seeking 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.