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Table 1 Characteristics of the Polish and the British study groups

From: The impact of symptoms on quality of life before and after diagnosis of coeliac disease: the results from a Polish population survey and comparison with the results from the United Kingdom

Variables

Poland

The United Kingdom

No. sampled

2500

2000

No. of completed and returned questionnaires

796

788

Response rate

38.76%

39.4%

Sex—no. (%)

 Female

642 (80.7)

559 (70.9)

 Male

154 (19.3)

224 (28.4)

Average age at survey—mean (SD)

29.31 (N/A)

52 (19)

Average age at diagnosis—mean (SD)

24.1 (15.9)

41 (19)

Age at diagnosis—no. (%)

 < 18

224 (28.1%)

97 (12.4%)

 18–34

262 (32.9%)

134 (17.2%)

 35–44

198 (24.9%)

188 (24.1%)

 45–54

61 (7.7%)

153 (19.6%)

 55–64

30 (3.8%)

128 (16.4%)

 >  = 65

21 (2.6%)

80 (10.3%)

Family members with diagnosed CD—no. (%)

 Respondent only person

627 (78.8)

728 (93)

 One or more family members diagnosed with CD

169 (21.2)

55 (7)

Following GFD—no. (%)

 All the time

746 (93.7)

N/A1

 Most of the time

46 (5.8)

N/A

 Some/little/none of the time

3 (0.4)

N/A

  1. N/A not available