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Table 4 Non-responder analysis: SOLAR II questionnaire data compared for participants of the questionnaire part and the clinical part of the study

From: Study on Occupational Allergy Risks (SOLAR II) in Germany: Design and methods

%
95% CI1
Questionnaire
part only (n = 884)
Questionnaire and clinical part (n = 1167)
Female 56.3
53.1; 59.6
59.5
56.6; 62.3
High level of education2 52.5
49.1; 55.8
70.0
67.4; 72.7
High parental level of education3 54.2
50.8; 57.5
62.4
59.6; 65.2
Student 36.3
33.1; 39.4
50.5
47.6;53.3
Current occupation: health care sector 13.1
10.9; 15.4
14.7
12.7; 16.8
Smoker 44.0
40.7; 47.3
32.0
29.3; 34.7
Passive smoke exposure
(regularly)
63.3
60.1; 66.5
51.5
48.6;54.3
Job with high-risk
exposure4
25.8
22.5;29.2
32.3
29.2; 35.3
Job with low-risk
exposure4
23.0
19.8; 26.2
19.9
17.3; 22.5
Job without risk
exposure4
36.3
32.6; 39.9
39.7
36.5; 42.8
Current wheeze5 16.3
13.9; 18.8
17.2
15.1; 19.4
Doctor diagnosed asthma 8.3
6.4; 10.1
9.3
7.6; 10.9
Current allergic rhinitis6 22.1
19.3; 24.9
27.0
24.4; 29.5
Current atopic dermatitis7 11.3
9.2; 13.4
13.1
11.1; 15.0
Parental allergic disease8 42.9
39.7; 46.2
48.6
45.7; 51.5
  1. 1 95% CI: 95% Confidence Interval
  2. 2 at least 12 years of education
  3. 3 at least one parent with a minimum of 12 years of education
  4. 4 exposure to agents with potential asthma risk was assessed by means of an asthma-specific job-
  5. exposure matrix (JEM)
  6. 5 wheezing in the last 12 months
  7. 6 problems with sneezing or a runny or blocked nose (without having a cold) accompanied by itchy-
  8. watery eyes in the last 12 months
  9. 7 itching eczema in the last 12 months persisting at least 6 months
  10. 8 asthma, allergic rhinitis or atopic dermatitis
  11. bold: statistically significant differences between groups