{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T23:25:54Z","timestamp":1773185154619,"version":"3.50.1"},"reference-count":21,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2013,1,22]],"date-time":"2013-01-22T00:00:00Z","timestamp":1358812800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Orthod Craniofacial Res"],"published-print":{"date-parts":[[2013,11]]},"abstract":"<jats:title>Structured Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This article describes the process of validity and reliability testing of a condition\u2010specific quality\u2010of\u2010life measure for patients with hypodontia presenting for orthodontic treatment. The development of the instrument is described in a previous article.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting and Sample population<\/jats:title><jats:p>Royal Devon and Exeter <jats:styled-content style=\"fixed-case\">NHS<\/jats:styled-content> Foundation Trust &amp; Musgrove Park Hospital, Taunton.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>The child perception questionnaire was used as a standard against which to test criterion validity. The Bland and Altman method was used to check agreement between the two questionnaires. Construct validity was tested using principal component analysis on the four sections of the questionnaire. Test\u2013retest reliability was tested using intraclass correlation coefficient and Bland and Altman method. Cronbach's alpha was used to test internal consistency reliability.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Overall the questionnaire showed good reliability, criterion and construct validity. This together with previous evidence of good face and content validity suggests that the instrument may prove useful in clinical practice and further research.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study has demonstrated that the newly developed condition\u2010specific quality\u2010of\u2010life questionnaire is both valid and reliable for use in young patients with hypodontia.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ocr.12018","type":"journal-article","created":{"date-parts":[[2013,1,22]],"date-time":"2013-01-22T07:48:55Z","timestamp":1358840935000},"page":"193-201","source":"Crossref","is-referenced-by-count":11,"title":["Assessment of a condition\u2010specific quality\u2010of\u2010life measure for patients with developmentally absent teeth: validity and reliability testing"],"prefix":"10.1111","volume":"16","author":[{"given":"A. J.","family":"Akram","sequence":"first","affiliation":[{"name":"Department of Orthodontics Royal Devon and Exeter NHS Foundation Trust Exeter UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. J.","family":"Ireland","sequence":"additional","affiliation":[{"name":"School of Oral and Dental Science Bristol UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. C.","family":"Postlethwaite","sequence":"additional","affiliation":[{"name":"Department of Education Exeter University Exeter UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. R.","family":"Sandy","sequence":"additional","affiliation":[{"name":"School of Oral and Dental Science Bristol UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. S.","family":"Jerreat","sequence":"additional","affiliation":[{"name":"Department of Orthodontics Royal Devon and Exeter NHS Foundation Trust Exeter UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,1,22]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"An Oral Health Strategy for England","author":"Department of health","year":"1994"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/ortho\/28.2.152"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1179\/146531204225020625"},{"key":"e_1_2_8_5_1","first-page":"22","article-title":"Assessing oral health outcomes for orthodontics\u2010 Measuring oral health status and quality of life","volume":"15","author":"O'Brien K","year":"2004","journal-title":"Community Dent Health"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1601-6343.2011.01517.x"},{"key":"e_1_2_8_7_1","first-page":"1","volume-title":"Introduction to Classical and Modern Test Theory","author":"Crocker L","year":"1986"},{"key":"e_1_2_8_8_1","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1097\/00002508-200311000-00002","article-title":"Questionnaire validation: a brief guide for readers of research literature","volume":"19","author":"Jensen MP","year":"2003","journal-title":"Clin J Pain"},{"key":"e_1_2_8_9_1","first-page":"131","article-title":"The design and assessment of questionnaires in clinical research","volume":"42","author":"Saw SM","year":"2001","journal-title":"Sing Med J"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.4135\/9781412985642"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1186\/1477-7525-4-4"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1179\/14653121042849"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1179\/146531207225022185"},{"key":"e_1_2_8_14_1","first-page":"72","article-title":"The proof and measurement of association between two things","volume":"15","author":"Spearman C","year":"1904","journal-title":"Int J Epidemiol"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(86)90837-8"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02291817"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1037\/0021-9010.78.1.98"},{"key":"e_1_2_8_18_1","volume-title":"An Easy Guide to Factor Analysis","author":"Kline P","year":"1994"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0528.2000.280305.x"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2008.01.024"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF02310555"},{"key":"e_1_2_8_22_1","first-page":"3","article-title":"Development and evaluation of the oral health impact profile","volume":"11","author":"Slade G.D.","year":"1994","journal-title":"Community Dent Health"}],"container-title":["Orthodontics &amp; Craniofacial Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Focr.12018","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ocr.12018","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,1]],"date-time":"2023-10-01T14:59:54Z","timestamp":1696172394000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ocr.12018"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,1,22]]},"references-count":21,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2013,11]]}},"alternative-id":["10.1111\/ocr.12018"],"URL":"https:\/\/doi.org\/10.1111\/ocr.12018","archive":["Portico"],"relation":{},"ISSN":["1601-6335","1601-6343"],"issn-type":[{"value":"1601-6335","type":"print"},{"value":"1601-6343","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,1,22]]}}}