Developments in oral health care in the Netherlands between 1995 and 2018

BMC Oral Health

Table 2 Overview of data collection in the studies carried out within the Data Stations Project between 1995 and January 2019

	start date	cross- sectio-nal (CS) and/or longitu-dinal (L)	number of editions	number of dentists who participated at least once	mean number of participations^b	mean response percentage^c	mean number of respondents^d
Dental Consumption Survey (DCS)	^a 1998	CS + L	21	1.513	9,1 (6,3)	80,9%	653
Dental Practice Survey (DPS)	1995	CS + L	29	3.500	3,8 (4,7)	54,1%	454
Omnibus Survey	1995	CS	40	3.858	4,4 (5,3)	56,6%	427
Survey of Recently Graduated Dentists (SRGD)	2007	CS + L	4	998	1,1 (0,4)	34,1%	286
Total	1995	CS + L	94	6.716	6,7 (8,5)	^e 60,3%	^e 480

^a First year of digital data collection
^b Standard deviation in parentheses
^c Calculated on the basis of the mean of the response percentages of all individual editions
^d Calculated on the basis of the mean number of respondents of all individual editions
^e Calculated on the basis of the figures in this table

ISSN: 1472-6831