{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T19:40:44Z","timestamp":1765827644518,"version":"3.48.0"},"reference-count":65,"publisher":"BMJ","issue":"7","license":[{"start":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T00:00:00Z","timestamp":1721001600000},"content-version":"unspecified","delay-in-days":14,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"EuroQol Group","award":["430-RA"],"award-info":[{"award-number":["430-RA"]}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Open"],"accepted":{"date-parts":[[2024,6,27]]},"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>The COVID-19 pandemic has raised concerns about the persistence of symptoms after infection, commonly referred to as \u2018post-COVID\u2019 or \u2018long-COVID\u2019. While countries in high-resource countries have highlighted the increased risk of disadvantaged communities, there is limited understanding of how COVID-19 and post-COVID conditions affect marginalised populations in low-income and middle-income countries. We study the longitudinal patterns of COVID-19, post-COVID symptoms and their impact on the health-related quality of life through the IndiQol Project.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and analysis<\/jats:title>\n                    <jats:p>The IndiQol Project conducts household surveys across India to collect data on the incidence of COVID-19 and multidimensional well-being using a longitudinal design. We select a representative sample across six states surveyed over four waves. A two-stage sampling design was used to randomly select primary sampling units in rural and urban areas of each State. Using power analysis, we select an initial sample of 3000 household and survey all adult household members in each wave. The survey data will be analysed using limited dependent variable models and matching techniques to provide insights into the impact of COVID-19 pandemic and post-COVID on health and well-being of individuals in India.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Ethics and dissemination<\/jats:title>\n                    <jats:p>Ethics approval for the IndiQol Project was obtained from the Macquarie University Human Research Ethics Committee in Sydney, Australia and Institutional Review Board of Morsel in India. The project results will be published in peer-reviewed journals. Data collected from the IndiQol project will be deposited with the EuroQol group and will be available to use by eligible researchers on approval of request.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/bmjopen-2023-080985","type":"journal-article","created":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T14:15:38Z","timestamp":1721052938000},"page":"e080985","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Protocol for a longitudinal study examining the trajectory of COVID-19, post-COVID, multidimensional disadvantage and health-related quality of life in India: the IndiQol Project"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4318-6100","authenticated-orcid":false,"given":"Kompal","family":"Sinha","sequence":"first","affiliation":[{"name":"Department of Economics, Macquarie Business School, Macquarie University, North Ryde, New South Wales, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2833-0621","authenticated-orcid":false,"given":"Nils","family":"Gutacker","sequence":"additional","affiliation":[{"name":"Centre for Health Economics, University of York, York, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3816-9106","authenticated-orcid":false,"given":"Yuanyuan","family":"Gu","sequence":"additional","affiliation":[{"name":"Macquarie University Centre for the Health Economy, Macquarie Business School, Macquarie University, Macquarie Park, New South Wales, Australia"},{"name":"Australian Institute of Health Innovation, Sydney, South Wales, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2055-548X","authenticated-orcid":false,"given":"Juanita","family":"Haagsma","sequence":"additional","affiliation":[{"name":"Department of Public Health, Erasmus MC, Rotterdam, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5913-0297","authenticated-orcid":false,"given":"Kaushalendra","family":"Kumar","sequence":"additional","affiliation":[{"name":"International Institute for Population Sciences, Mumbai, Maharashtra, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2570-1685","authenticated-orcid":false,"given":"Mona","family":"Aghdaee","sequence":"additional","affiliation":[{"name":"Macquarie University Centre for the Health Economy, Macquarie Business School, Macquarie University, Macquarie Park, New South Wales, Australia"},{"name":"Australian Institute of Health Innovation, Sydney, South Wales, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2024,7,15]]},"reference":[{"key":"2025121511302223000_14.7.e080985.1","unstructured":"Schneider P , Love-Koh J , McNamara S , et al . 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