Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 7, Number 1—February 2001

Research

Gastroenteritis in Sentinel General Practices, the Netherlands

Matty A.S. de Wit*Comments to Author , Marion P.G. Koopmans*, Laetitia M. Kortbeek*, Nan J. van Leeuwen*, AAD I.M. Bartelds†, and Yvonne T.H.P. van Duynhoven*
Author affiliations: *National Institute of Public Health and the Environment, Bilthoven, The Netherlands; †Netherlands Institute of Primary Health Care, Utrecht, the Netherlands

Main Article

Table 2

Multivariate logistic regression analyses of the selection of participating cases from all cases that were reported or participated in the case-control study, the Netherlands

Recruited or % Recruited %Part. % Total ORb for
reported by GP casesa response response 95% CIc
Gender nid
Male 1,178 45 79 35
Female 1,370 44 78 35
0 123 34 76 26 0.84 0.51-1.37
1-4 452 40 76 31 0.89 0.63-1.25
5-14 342 36 82 30 0.85 0.59-1.21
15-24 265 51 65 33 1.00 -
25-39 621 51 76 39 1.30 0.95-1.78
40-64 487 50 85 42 1.50 1.08-2.07
65+ 254 35 92 32 0.89 0.61-1.30
Urbanization ni
Low 305 34 94 32
Intermediate 1,654 46 79 37
High 582 45 72 32
Region
North 281 60 83 49 2.16 1.63-2.87
East 586 33 84 28 0.86 0.68-1.08
West 1,034 41 73 30 1.00 -
South 642 53 81 43 1.69 1.36-2.08
Year of study
May 96- Apr 97 804 59 80 47 1.00
May 97- Apr 98 841 40 81 32 0.50 0.43-0.65
May 98- Apr 99 889 34 77 26 0.40 0.33-0.50
Total 2,553 45 78 35 - -

apart = participating.
bOR = odds ratio for participation (defined as a case questionnaire received at the National Institute of Public Health and the Environment).
cCI = confidence interval.
dni = not included in the logistic regression model.

Main Article

TOP