The present study sample consisted of a subset of healthy middle to older - aged adults (age range at time of recruitment: 39 — 73 years) from the UK Biobank cohort (for more information see the Biobank website; Sudlow et al., 2015). (wellcomeopenresearch.org)
At the time of recruitment, all participants were invited to complete a baseline questionnaire that contained demographic information that included age, marital status, occupation, educational level and nationality. (academic.oup.com)
This trial will include women of reproductive age (15 — 49 years) who are pregnant at the time of recruitment, and their respective children from the pregnancies aged less than 6 months in Koibatek sub-county in Baringo county. (cochranelibrary-wiley.com)