Preferred and actual retirement age of oral and maxillofacial surgeons aged 55 and older in the Netherlands: a longitudinal study from 2003 to 2016

Table 1 Research population and response rates of all editions of the retirement survey among Dutch OMFS aged 55 and older

Edition	Year	Research population^a	Number of respondents	Response percentage	Number of respondents still working
1	2003	61	54	89	48
2	2005	64	55	86	50
3	2007	65	52	80	52
4	2009	76	76	100	68
5	2011	89	78	88	76
6	2014	123	106	86	78
7	2016	123	102	83	79
	Total^b	185	170	92

^aAll OMFS aged 55 and older were invited to participate in the survey, with the exception of OMFS who indicated being retired in a previous edition. In 2016, OMFS aged 80 years and older were not invited
^bAll OMFS were invited to participate in the survey at least once. OMFS who responded to at least one edition of the survey are considered respondents

ISSN: 1478-4491