Correction: Complementary medicine usage in surgery: a cross-sectional survey in Germany

Table 3 Factors affecting communication about complementary medicine

Parameter	Regression coefficient	Standard error	p^a	Odds ratio	95%-Confidence Interval
Parameter	Regression coefficient	Standard error	p^a	Odds ratio	Lower	Upper
Age	0.11	0.020	0.591	1.011	0.973	1.050
Sex
Male	Reference	Reference	Reference	Reference	Reference	Reference
Female	-0.803	0.599	0.180	0.448	0.138	1.449
Location
Freiburg	Reference	Reference	Reference	Reference	Reference	Reference
Ulm	0.170	0.627	0.787	1.185	0.347	4.051
Heidelberg	1.750	0.886	0.048	5.757	1.014	32.677
Cancer
Yes	Reference	Reference	Reference	Reference	Reference	Reference
No	-1.467	0.621	0.018	0.231	0.068	0.779
Nationality
German	Reference	Reference	Reference	Reference	Reference	Reference
Other	0.312	1.141	0.784	1.367	0.146	12.778

Goodness-of-fit was assessed using the Hosmer-Lemeshow-Test, indicating a good model fit, χ²(8) = 5.427, p = 0.711
Only patients for whom a complete data set was available were evaluated (n = 141)
^aMultiple logistic regression, highest sample-size group was chosen as reference

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