ALSPAC_Children_122months
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 - 122 months
Information was collected through the use of questionnaires, and registries.
At this time point the questionnaire was child completed. Questionnaire specifically collected information from “rings and things” questionnaire. Information was collected about mobile phone usage, side effects of usage, type of phone used, pierced and clip-on earrings and other jewellery.
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.