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The aim of this study was to examine perspectives of caregiving for older people with intellectual disability and their family. A constructivist grounded theory approach was used, and 19 people with intellectual disability and 28 family members were interviewed. Caregiving was informed by transitions across the life course. Three interrelated concepts, Riding the Waves, Shifting Sands\u2014Changing Tides, and Uncovering Horizons comprise the core components of the theoretical model\u2014 Navigating Ever-Changing Seas. This model informs complex, trans-generational relationships that impact decision-making for people with a long-term condition. Applications within health care indicate a need for systems to include individuals and their networks of care in policy, practice, research, and service delivery across the lifespan.<\/jats:p>","DOI":"10.1177\/1049732319845344","type":"journal-article","created":{"date-parts":[[2019,5,9]],"date-time":"2019-05-09T02:13:32Z","timestamp":1557368012000},"page":"1595-1610","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":11,"title":["Aging With Intellectual Disabilities in Families: Navigating Ever-Changing Seas\u2014A Theoretical Model"],"prefix":"10.1177","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5844-3400","authenticated-orcid":false,"given":"Henrietta","family":"Trip","sequence":"first","affiliation":[{"name":"University of Otago, Christchurch, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Whitehead","sequence":"additional","affiliation":[{"name":"University of Otago, Christchurch, New Zealand"},{"name":"Edith Cowan University, Joondalup, WA, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marie","family":"Crowe","sequence":"additional","affiliation":[{"name":"University of Otago, Christchurch, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brigit","family":"Mirfin-Veitch","sequence":"additional","affiliation":[{"name":"University of Otago, Christchurch, New Zealand"},{"name":"Donald Beasley Institute, Dunedin, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chris","family":"Daffue","sequence":"additional","affiliation":[{"name":"Canterbury District Health Board, Christchurch, New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2019,5,8]]},"reference":[{"key":"bibr1-1049732319845344","doi-asserted-by":"publisher","DOI":"10.1176\/appi.books.9780890425596"},{"key":"bibr2-1049732319845344","doi-asserted-by":"publisher","DOI":"10.1080\/09687590129958558"},{"key":"bibr3-1049732319845344","doi-asserted-by":"publisher","DOI":"10.1352\/1934-9556-50.5.373"},{"key":"bibr4-1049732319845344","doi-asserted-by":"publisher","DOI":"10.1111\/j.1741-1130.2006.00059.x"},{"key":"bibr5-1049732319845344","volume-title":"Steps to an ecology of mind: Collected essays in anthropology, psychiatry, evolution, and epistemology","author":"Bateson G.","year":"1973"},{"key":"bibr6-1049732319845344","doi-asserted-by":"publisher","DOI":"10.1093\/geront\/gnv103"},{"key":"bibr7-1049732319845344","doi-asserted-by":"publisher","DOI":"10.1352\/0047-6765(2004)42<471:RPWDAR>2.0.CO;2"},{"key":"bibr8-1049732319845344","volume-title":"Grounded theory. 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