Cohort profile: Oxford Pain, Activity and Lifestyle (OPAL) Study, a prospective cohort study of older adults in England.

ABSTRACT:

Purpose

The 'Oxford Pain, Activity and Lifestyle' (OPAL) Cohort is a longitudinal, prospective cohort study of adults, aged 65 years and older, living in the community which is investigating the determinants of health in later life. Our focus was on musculoskeletal pain and mobility, but the cohort is designed with flexibility to include new elements over time. This paper describes the study design, data collection and baseline characteristics of participants. We also compared the OPAL baseline characteristics with nationally representative data sources.

Participants

We randomly selected eligible participants from two stratified age bands (65-74 and 75 and over years). In total, 5409 individuals (42.1% of eligible participants) from 35 general practices in England agreed to

SUBMITTER: Sanchez Santos MT 

PROVIDER: S-EPMC7473632 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature