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Table 2 MSHS participation rates among eligible CATI & CAPI participants and multivariate odds ratios of participating in the MSHS *

From: Second-stage non-response in the Swiss health survey: determinants and bias in outcomes

Variable

Category

n

Rate (%)

OR

95%-CI

P-value

All

All MSHS participants

14,393

80.27

   

Gender

Female

8,085

80.96

1.63

1.31, 2.03

<0.001

Male

6,308

79.40

1.00

reference

 

Educational level

Tertiary education

3,970

84.63

1.76

1.52, 2.04

<0.001

Secondary education

8,689

80.63

1.48

1.32, 1.65

<0.001

Primary education

1,734

70.37

1.00

reference

 

Occupational status

High level non-manual

1,390

84.67

1.29

1.06, 1.55

<0.010

Medium level non-manual

4,431

83.46

1.26

1.10, 1.43

<0.010

Low level non-manual

3,738

81.78

1.25

1.10, 1.42

<0.010

Self-employed craftsmen

1,168

77.46

0.85

0.72, 1.00

0.052

Skilled manual

1,500

73.62

0.92

0.80, 1.06

0.243

Unskilled manual

2,162

75.51

1.00

reference

 

Employment

Full time

5,360

77.93

0.76

0.68, 0.85

<0.001

Part time

3,599

84.69

1.03

0.91, 1.17

0.635

Not in workforce

5,434

79.88

1.00

reference

 

Quartile of household income

4th (highest)

3,690

82.36

1.04

0.92, 1.18

0.547

3rd

3,622

82.09

1.08

0.96, 1.22

0.185

2nd

3,631

79.87

1.02

0.91, 1.14

0.789

1st (lowest)

3,451

76.80

1.00

reference

 

Nationality

Swiss

12,925

81.95

1.60

1.43, 1.79

<0.001

Non-Swiss

1,468

68.01

1.00

reference

 

Religious denomination

Protestant

5,064

83.59

1.07

0.94, 1.22

0.300

Free protestant

149

80.54

0.95

0.65, 1.41

0.816

Roman catholic

6,379

79.50

0.88

0.79, 1.01

0.063

Christian catholic

263

71.47

0.66

0.51, 0.86

<0.010

Orthodox

118

61.46

0.49

0.36, 0.68

<0.001

Other Christian

69

77.53

0.76

0.45, 1.27

0.292

Jewish

39

79.59

0.87

0.42, 1.79

0.703

Muslim

145

50.17

0.36

0.27, 0.46

<0.001

Other

142

68.27

0.52

0.38, 0.72

<0.001

None

2,027

81.99

1.00

reference

 

Urbanity1)

Rural area

4,575

80.65

1.02

0.93, 1.12

0.649

Urban area

9,818

80.09

1.00

reference

 

Geographic region

Midlands

3,822

81.32

1.08

0.96, 1.21

0.226

Northwest

1,546

80.73

1.00

0.87, 1.16

0.950

Zurich

1,867

79.85

0.92

0.80, 1.06

0.241

East

1,558

81.15

1.09

0.94, 1.26

0.259

Central

1,856

80.03

1.03

0.90, 1.18

0.680

Tessin

1,131

78.54

1.08

0.92, 1.27

0.345

Lake Geneva Region

2,613

79.21

1.00

reference

 

Self-rated health

Very good, good

12,491

81.14

1.35

1.21, 1.50

<0.001

 

Very bad, bad, moderate

1,902

74.97

1.00

reference

 
  1. *n: number of subjects in category;%: participation rate within category; OR: odds ratios, adjusted for all other variables in the table as well as age, interaction term gender x age, and the number of contact attempts needed to realize the CATI/CAPI; 95%-CI: 95% confidence intervals; P-Value: P>|t|.
  2. 1) Urban areas include isolated cities (≥10,000 inhabitants) and urban agglomerations (≥20,000 inhabitants). Data source: Swiss Federal Statistical Office.
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BMC Public Health

ISSN: 1471-2458

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