{"id":4898,"date":"2004-03-01T00:00:00","date_gmt":"2004-03-01T05:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/journal-articles\/factors-influencing-participation-in-obstetrics-by-obstetrician-gynecologists\/"},"modified":"2023-06-14T19:46:43","modified_gmt":"2023-06-14T23:46:43","slug":"factors-influencing-participation-in-obstetrics-by-obstetrician-gynecologists","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/factors-influencing-participation-in-obstetrics-by-obstetrician-gynecologists\/","title":{"rendered":"Factors influencing participation in obstetrics by obstetrician-gynecologists"},"content":{"rendered":"<p><strong>Objective<\/strong> &#x2014; To examine factors affecting participation in obstetrics among obstetrician-gynecologists and changes in participation over time.<\/p>\n<p><strong>Methods<\/strong> &#x2014; Using physician billings from Ontario, Canada, from 1992\/1993 to 2001\/2002, we examined the impact of physician age, gender, practice location, and years of practice on participation in obstetrics with multiple logistic regression and repeated measures analyses. We also examined differences in practice patterns between obstetrics providers and nonproviders using linear and log-linear regressions.<\/p>\n<p><strong>Results<\/strong> &#x2014; Obstetrics participation declined with age, from 96% among physicians under age 35, to 34% among those aged 65 and over (2001\/2002 figures). Regressions demonstrated a lower likelihood of performing obstetrics in successive years (odds ratio [OR] 0.95 per year; 95% confidence interval [CI] 0.93, 0.98) and among physicians who were older (OR 0.91 per year of age; 95% CI 0.90, 0.93), female (OR 0.57; 95% CI 0.36, 0.91), and practicing in cities with medical schools (OR 0.58; 95% CI 0.44, 0.78). The crude obstetrics participation rate dropped from 82% to 77%, from 1992\/1993 to 2001\/2002. The physician age-sex-adjusted participation rate dropped from 80% in 1992\/1993 to 77% in 2001\/2002. Obstetrics providers had almost double the annual billings of nonproviders (&#x24;364,000 versus &#x24;187,000; P &lt;.001), but more on-call days worked (105 versus 13; P &lt;.001). Nonproviders of obstetrics derived more of their billings from outpatient visits, psychotherapy, and diagnostic tests. The likelihood of an obstetrics nonprovider resuming obstetrics was 1.1% per year.<\/p>\n<p><strong>Conclusion<\/strong> &#x2014; The proportion of obstetrician-gynecologists practicing obstetrics declined modestly in the last decade, partly because of more female physicians in the workforce who were less likely to practice obstetrics. Planners should consider these trends when estimating how many obstetrician-gynecologists to train to meet future societal needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Objective &#x2014; To examine factors affecting participation in obstetrics among obstetrician-gynecologists and changes in participation over time. Methods &#x2014; Using physician billings from Ontario, Canada, from 1992\/1993 to 2001\/2002, we examined the impact of physician age, gender, practice location, and years of practice on participation in obstetrics with multiple logistic regression and repeated measures analyses. [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[62,26],"migration-helper-qa-sample-set":[],"class_list":["post-4898","journal_article","type-journal_article","status-publish","hentry","topic-health-services-research","topic-maternity-and-neonatal-care"],"acf":{"citation":"Chan BT, Willett J. <em>Obstet Gynecol<\/em>. 2004; 103(3):493-8.","source_url":"","ices_scientist":[1197],"site":[6735],"research_program":[6740],"news_release":[7713],"journal_article":[],"atlas":[],"research_report":[],"infographic":[],"video":[],"downloads":null,"links":null,"sitecore_item_id":"92CB3A2A-4920-4318-8508-82D11F09C4A6","sitecore_item_name":"Factors-influencing-participation-in-obstetrics-by-Obstetrician-Gynecologists","sitecore_field_values":"{\n  \"Title\": \"Factors influencing participation in obstetrics by obstetrician-gynecologists\",\n  \"Short title\": \"Factors influencing participation in\",\n  \"Citation\": \"<p>Chan BT, Willett J. <em>Obstet Gynecol<\/em>. 2004; 103(3):493-8.<\/p>\",\n  \"Abstract\": \"<p><strong>Objective<\/strong> &mdash; To examine factors affecting participation in obstetrics among obstetrician-gynecologists and changes in participation over time.<\/p>rn<p><strong>Methods<\/strong> &mdash; Using physician billings from Ontario, Canada, from 1992\/1993 to 2001\/2002, we examined the impact of physician age, gender, practice location, and years of practice on participation in obstetrics with multiple logistic regression and repeated measures analyses. We also examined differences in practice patterns between obstetrics providers and nonproviders using linear and log-linear regressions.<\/p>rn<p><strong>Results<\/strong> &mdash; Obstetrics participation declined with age, from 96% among physicians under age 35, to 34% among those aged 65 and over (2001\/2002 figures). Regressions demonstrated a lower likelihood of performing obstetrics in successive years (odds ratio [OR] 0.95 per year; 95% confidence interval [CI] 0.93, 0.98) and among physicians who were older (OR 0.91 per year of age; 95% CI 0.90, 0.93), female (OR 0.57; 95% CI 0.36, 0.91), and practicing in cities with medical schools (OR 0.58; 95% CI 0.44, 0.78). The crude obstetrics participation rate dropped from 82% to 77%, from 1992\/1993 to 2001\/2002. The physician age-sex-adjusted participation rate dropped from 80% in 1992\/1993 to 77% in 2001\/2002. Obstetrics providers had almost double the annual billings of nonproviders ($364,000 versus $187,000; P &lt;.001), but more on-call days worked (105 versus 13; P &lt;.001). Nonproviders of obstetrics derived more of their billings from outpatient visits, psychotherapy, and diagnostic tests. The likelihood of an obstetrics nonprovider resuming obstetrics was 1.1% per year.<\/p>rn<p><strong>Conclusion<\/strong> &mdash; The proportion of obstetrician-gynecologists practicing obstetrics declined modestly in the last decade, partly because of more female physicians in the workforce who were less likely to practice obstetrics. Planners should consider these trends when estimating how many obstetrician-gynecologists to train to meet future societal needs.<\/p>\",\n  \"Keywords\": \"{B964A5DF-D024-46AE-9932-4ECDC0B83912}|{E6C83141-5D86-409C-B4E1-8DD620508038}|{80AF17F9-2AF8-43F7-9CA1-8A45542CDF7C}\",\n  \"Related Products\": \"<h2>News Release<\/h2>rn<h3><a href=\"~\/link.aspx?_id=159D29DF2E6A4FBC8FFFEA81AF4B8AD0&amp;_z=z\">Workload rising for declining number of OB-GYNs willing to deliver babies<\/a><\/h3>\",\n  \"Research Programs\": \"{46DF28D2-EDE8-4DF2-8CC0-87CEF464E435}\",\n  \"ICES Locations\": \"{FBE2D1B1-C0BA-423F-8D16-39466B6C1424}\",\n  \"ICES Scientists\": \"{4BC11C06-434C-48BA-9CBD-9B58F25C0C79}\",\n  \"Posted Date\": \"20040301T000000\"\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2004\/January\/Factors-influencing-participation-in-obstetrics-by-Obstetrician-Gynecologists"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Factors influencing participation in obstetrics by obstetrician-gynecologists<\/title>\n<meta name=\"description\" content=\"Objective &#x2014; 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