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Table 2 Baseline characteristics of type 1 and type 2 diabetes patients

From: Cohort profile: the German Diabetes Study (GDS)

 

Type 1 DM

Type 2 DM

Age

(%)

(%)

 15–19

5.4

0.2

 20–24

15.0

1.1

 25–29

16.7

1.7

 30–34

18.0

3.1

 35–39

10.0

4.6

 40–44

9.6

8.5

 45–49

8.7

15.3

 50–54

10.4

16.2

 55–59

2.5

17.2

 60–64

3.0

18.8

 65–69

0.8

13.1

 70–74

0

0.2

Sex

  

 Male

62.5

67.0

 Female

37.5

33.0

Marital status

 Single

55.0

21.8

 Co-habiting/married

40.8

61.6

 Separated/divorced

3.7

12.4

 Widowed

0.4

4.1

Higher education

 Up to class 8

9.6

27.1

 Junior high school

20.0

22.5

 Up to class 10

0.0

5.0

 Advanced technical college

13.3

12.2

 Secondary school examination

55.0

30.6

 No education

0.4

0.7

 Other types of education

1.2

1.7

 No response*

0.4

0.2

Employment

 Laborer

9.2

16.2

 Employee

54.6

61.3

 Official

5.4

5.0

 Business man

7.2

10.0

 Farmer

0

0.2

 Self-employed worker

2.1

3.5

 Non-employed

0.8

0

 Other professions

5.4

1.5

 No response/advanced educationa

1.2

0.2

Medical insurance

 Private

15.8

12.4

 Government/public

77.9

81.9

 Other insurance

5.8

4.6

 No insurance

0

0

 No response

0.5

1.1

Regular medical checks

 Yes

35.8

56.1

 No

63.7

42.8

 No responsea

0.4

0.9

Family history of diabetes

 Mother

16.1

32.7

 Father

17.3

26.3

 Children

0.8

1.7

 Brothers and sisters

7.6

18.4

 Grandparents

37.3

35.2

 Uncles and aunts

15.8

20.0

Other diseases/risk factors/comorbidities

 Hypertension

18.5

63.3

 History of myocardial infarction

0.4

2.8

 Retinopathy

0.8

1.3

 History of or current smoking

73.3

88.9

 Subclinical DSPN

9.8

6.9

 Confirmed asymptomatic DSPN

0.4

2.6

 Confirmed symptomatic DSPN

2.2

4.0

 Possible DSPN

7.2

23.2

 Probable DSPN

0.5

5.3

 Subclinical/borderline CAN

0.9

2.1

 Definite CAN

1.4

2.4

Medication

Glucose lowering therapy

 Insulin, short acting

87.9

5.9

 Insulin, long acting

54.2

4.8

 Metformin

14.6

56.1

 Sulfonylurea

1.3

3.5

 Dipeptidyl-peptidase-4 inhibitors

1.3

6.6

 GLP-1-Agonists

0.4

2.0

Other therapies

 Acetylsalicylic acid

1.7

11.1

 Statins

2.5

17.5

 Fibrates

0.0

0.7

Any antihypertensive therapy

 Blockers of the renin-angiotensin system

2.1

15.9

 Beta blockers

2.9

25.3

 Calcium channel blockers

0.8

13.8

 Diuretics

0.4

8.3

  1. Demographic characteristics of the type 1 and type 2 diabetes mellitus (DM) patients included until 01/2015 at baseline in  % of whole study group. DSPN: diabetic sensorimotor polyneuropathy, CAN: cardiovascular autonomic neuropathy. DSPN and CAN were defined as previously reported (68, 98)
  2. aNo response refers to the number of participants, who prefer not to answer to a specific question during the interview