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Table 2 Crude and socio-demographic-adjusted prevalence rates of physical conditions and subjective health measures by mode (GEDA 2.0 pilot study, Germany, August – November 2012)

From: Mode differences in a mixed-mode health interview survey among adults

 

Crude prevalence

Adjusted prevalence*

 

SAQ-Paper

SAQ-Web

CATI

SAQ-Paper vs. SAQ-Web

SAQ-Paper vs. CATI

SAQ-Web vs. CATI

SAQ-Paper

SAQ-Web

CATI

SAQ-Paper vs. SAQ-Web

SAQ-Paper vs. CATI

SAQ-Web vs. CATI

 

%

%

%

p-value

p-value

p-value

%

%

%

p-value

p-value

p-value

Physical conditions

            

Diagnosed diabetes

            

12-month-prevalence

11.1

4.8

10.1

<0.001

n.s.

<0.01

9.3

7.1

8.9

n.s.

n.s.

n.s.

Diagnosed hypertension

            

12-month prevalence

36.6

22.0

33.1

<0.001

n.s.

<0.001

31.6

29.2

29.8

n.s.

n.s.

n.s.

Diagnosed dyslipidaemia

            

12-month prevalence

25.9

15.7

23.0

<0.001

n.s.

<0.01

21.4

23.2

20.4

n.s.

n.s.

n.s.

Obesity (BMI ≥ 30)

            

Point prevalence

20.9

15.2

16.8

<0.05

n.s.

n.s.

19.5

18.7

16.3

n.s.

n.s.

n.s.

Diagnosed CHD

            

Lifetime prevalence

9.0

3.4

9.9

<0.001

n.s.

<0.001

6.9

6.3

9.3

n.s.

n.s.

n.s.

Diagnosed chronic bronchitis

            

Lifetime prevalence

8.8

4.6

11.2

<0.01

n.s.

<0.001

7.7

4.9

10.3

n.s.

n.s.

<0.01

Diagnosed bronchial asthma

            

Lifetime prevalence

10.3

9.2

16.6

n.s.

<0.01

<0.01

10.0

9.2

16.0

n.s.

<0.01

<0.01

Diagnosed osteoarthrosis

            

Lifetime prevalence

29.8

14.7

24.9

<0.001

n.s.

<0.001

25.3

21.1

21.6

n.s.

n.s.

n.s.

Subjective health

            

MEHM: Self-rated health

            

Very good

11.0

18.8

18.3

<0.001

<0.01

n.s.

13.2

14.8

19.0

n.s.

<0.05

n.s.

Poor/very poor

4.1

2.7

4.9

n.s.

n.s.

n.s.

3.4

4.4

4.2

n.s.

n.s.

n.s.

MEHM: Chronic health problem

            

Yes

44.2

32.2

44.5

<0.001

n.s.

<0.001

40.0

39.4

42.3

n.s.

n.s.

n.s.

MEHM: Daily activity limitations

            

Yes

37.5

21.8

33.1

<0.001

n.s.

<0.001

33.4

28.1

29.9

n.s.

n.s.

n.s.

  1. SAQ-Paper = self-administered paper mail questionnaire; SAQ-Web = self-administered web survey; CATI = computer-assisted telephone interview.
  2. *adjusted for age, gender, education, income, labour status, marital status, type of household.
  3. CHD = coronary heart disease.
  4. MEHM = Minimum European Health Module.
  5. n.s. = not significant (p > 0.05); vs. = versus.