Table 5. Sample Response .

	CHD			Diabetes type 2
	Original Sample (n)	Finally Linked (n)	Response Rate (%)	Original Sample (n)	Finally Linked (n)	Response Rate (%)
Gender
Female	7959	2131	26.77	9691	2326	24.00
Male	18 040	6345	35.17	16 308	4763	29.21
Age
≤60 years	6245	1292	20.69	8521	1485	17.43
61–65 years	3185	902	28.32	3852	1044	27.10
66–70 years	3546	1216	34.29	3831	1182	30.85
71–75 years	5547	2220	40.02	4690	1645	35.07
76–80 years	4280	1763	41.19	3246	1186	36.54
>80 years	3196	1083	33.89	1859	547	29.42
DMP enrolment
Yes	13 000	5141	39.55	13 000	4228	32.52
No	12 999	3335	25.66	12 999	2861	22.01
Region
West-Germany	20 534	6608	32.18	20 154	5399	26.79
East-Germany	5465	1867	34.16	5845	1690	28.91
Total	25 999	8476	32.60	25 999	7089	27.27

Abbreviations: DMP, disease management programme; CHD, coronary heart disease.