Table 3b. Process parameters.

Study	2	3			4	5	8		9
Publication	(23)	(24)		(25)	(26)	(27)	(33)		(34)	(35)
Subgroup analysis		L	H				B	F
Doctor–patient relationship
Information, communication				+
Involvement in decisions		+	+	+
Respectful treatment		+		+
Setting individual therapeutic aims		+	+	+
Health-related behavior/attitude to health
Treatment burden		+		+
Coming to terms with disease, compliance
Awareness of prevention		+	+	+
Information status
Diabetes in general		+	+	+
HbA1c level		+	+
Blood pressure
Patient education
Information on diabetes education		+	+	+
Information on high blood pressure education		+	+
Participation in diabetes education		+	+	+			+	+	+	+
Participation in high blood pressure education
Evaluation of diabetes education				+
Self-management
Blood pressure check (weekly)									+	+
Blood sugar level, foot, weight check (weekly)
Diabetes diary
Program organization
Insurer-specific program structure							+	+

Abbreviations and notes: +: Significant positive difference for DMP groups; –: Significant positive difference for non-DMP groups; Dark blue: p<0.001, mid-blue: p<0.01, pale blue: p<0.05, pale gray: difference not significant; gray: investigated, no significance test performed or no information on statistical ?significance; L: Low level of education; H: High level of education; B: Baseline; F: Follow-up