{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,31]],"date-time":"2023-10-31T07:41:55Z","timestamp":1698738115979},"reference-count":34,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2013,1,21]],"date-time":"2013-01-21T00:00:00Z","timestamp":1358726400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Euro Eating Disorders Rev"],"published-print":{"date-parts":[[2013,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Season of birth bias has been observed for people with a number of disorders, including women with bulimia nervosa. However, inconsistent results and methodological weaknesses render previous conclusions about such bias uncertain. With an enhanced methodology, this study aims to test whether there is a season of birth bias for women with bulimia nervosa.<\/jats:p><\/jats:sec><jats:sec><jats:title>Method<\/jats:title><jats:p>Women with bulimia nervosa at five secondary and tertiary services in Norway, born between 1966 and 1988 (<jats:italic>n<\/jats:italic>\u2009=\u2009549), were compared with women in the general population in a chi\u2010square test for contingency tables, with known population parameters testing monthly deviations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There was no statistically significant association between month of birth and the distribution of births in the two groups (Cramer's V\u2009=\u2009.09).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>There appears not to be any season of birth bias in women with bulimia nervosa in Norway. Copyright \u00a9 2013 John Wiley &amp; Sons, Ltd and Eating Disorders Association.<\/jats:p><\/jats:sec>","DOI":"10.1002\/erv.2217","type":"journal-article","created":{"date-parts":[[2013,1,22]],"date-time":"2013-01-22T04:08:56Z","timestamp":1358827736000},"page":"170-174","source":"Crossref","is-referenced-by-count":4,"title":["Season of Birth Bias and Bulimia Nervosa\u2014Results from a Multi\u2010centre Collaboration"],"prefix":"10.1002","volume":"21","author":[{"given":"Eirin","family":"Winje","sequence":"first","affiliation":[{"name":"Oslo University Hospital Regional Department for Eating Disorders  Oslo Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anne\u2010Kari","family":"Torgalsb\u00f8en","sequence":"additional","affiliation":[{"name":"Department of Psychology University of Oslo  Oslo Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cathrine","family":"Brunborg","sequence":"additional","affiliation":[{"name":"Oslo University Hospital Unit for Biostatistics and Epidemiology  Oslo Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bryan","family":"Lask","sequence":"additional","affiliation":[{"name":"Department of Psychology University of Oslo  Oslo Norway"},{"name":"University of London Child and Adolescent Psychiatry  London UK"},{"name":"Ellern Mede Centre  London UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,1,21]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/joc.1037"},{"key":"e_1_2_6_3_1","volume-title":"Publication manual of the American Psychological Association","author":"American Psychological Association","year":"2001"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1037\/0033\u20102909.98.3.569"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.20898"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1186\/1471\u20102288\u20108\u201067"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1159\/000026499"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0165\u20101781(02)00107\u20105"},{"key":"e_1_2_6_10_1","volume-title":"Statistical power analysis for the behavoiral sciences","author":"Cohen J.","year":"1988"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/erv.699"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1093\/oxfordjournals.schbul.a007030"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.1069"},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469\u20101809.1961.tb01501"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9780511761676"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.3758\/BF03193146"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0021932007002222"},{"key":"e_1_2_6_18_1","volume-title":"Introduction to statistics in psychology","author":"Howitt D.","year":"2008"},{"key":"e_1_2_6_19_1","doi-asserted-by":"publisher","DOI":"10.1037\/0033\u20102909.130.1.19"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.2307\/2531741"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0272\u20107358(97)00012\u20103"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1001\/archpsyc.1997.01830160065009"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1098\u2010108X(200005)27:4\u2009<\u2009452::AID\u2010EAT10\u2009>\u20093.0.CO;2\u2010M"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1002\/erv.629"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/eat.20717"},{"key":"e_1_2_6_26_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1098\u2010108X(199601)19:1<53::AID\u2010EAT7>3.0.CO;2\u2010V"},{"key":"e_1_2_6_27_1","doi-asserted-by":"publisher","DOI":"10.1093\/biomet\/64.1.152"},{"key":"e_1_2_6_28_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u20100404.2009.01181.x"},{"key":"e_1_2_6_29_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF03325297"},{"key":"e_1_2_6_30_1","doi-asserted-by":"publisher","DOI":"10.1037\/0003\u2010066X.62.3.181"},{"key":"e_1_2_6_31_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0920\u20109964(97)00092\u20103"},{"key":"e_1_2_6_32_1","doi-asserted-by":"publisher","DOI":"10.1175\/15200477(1983)064%3C1276:WATS%3E2.0.CO;2"},{"key":"e_1_2_6_33_1","first-page":"137","article-title":"The power of a test for seasonality","volume":"31","author":"Walter S. 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