Overall Answer Correct
(Total-1116)
% (95% CI)
Answer Correct in Education Group 1
(Total- 6)
% (95% CI)
Answer Correct in Education Group 2
(Total- 25)
% (95% CI)
Answer Correct in Education Group 3
(Total- 624)
% (95% CI)
Answer Correct in Education Group 4
(Total- 223)
% (95% CI)
Answer Correct in Education Group 5
(Total- 40)
% (95% CI)
Answer Correct in Education Group 6
(Total- 198)
% (95% CI)
Time of Dating/NT Scan 21.9
(19.2 to 24.2)
0
(0.0 to 39.0)
16
(6.4 to 34.6)
24.7
(22.1 to 28.2)
34.4
(28.1 to 40.1)
22.5
(12.1 to 36.1)
0.5
(0.09 to 2.8)
Increased NT indicates higher risk 21.5
(19.1 to 24.1)
0
(0.0 to 39.0)
32
(17.2 to 51.6)
24.2
(21.7 to 27.9)
29.8
(24.1 to 35.2)
32.5
(20.1 to 47.7)
1.0
(0.28 to 3.6)
Can blood tests be used in DS screening?  26.3
(24.2 to 29.3)
33.3
(9.7 to 70.0)
36
(20.3 to 55.5)
31.9
(28.2 to 36.2)
27.8
(22.1 to 34.1)
37.5
(23.7 to 52.8)
3.0
(1.4 to 6.5)
Identify risk factor for DS 15.6
(13.1 to 18.2)
16.7
(3.0 to 56.3)
16
(6.4 to 34.6)
18.4
(15.8 to 21.8)
21.1
(16.2 to 27.3)
12.5
(5.5 to 26.1)
0.5
(0.09 to 2.8)
Are Blood tests and NT used to screen DS? 23.5
(21.3 to 26.4)
16.7
(3.0 to 56.3)
32
(17.2 to 51.6)
26.7
(23.3 to 30.1)
33.2
(27.1 to 40.2)
22.5
(12.1 to 36.1)
1.5
(0.52 to 4.4)
Can CVS/Amniocentesis confirm DS? 23.3
(21.3 to 26.4)
16.7
(3.0 to 56.3)
36
(20.3 to 55.5)
26.3
(23.1 to 29.9)
34.1
(28.1 to 40.9)
20.0
(10.2 to 35.1)
1.0
(0.28 to 3.6)
Is there Procedure related miscarriage with above invasive testing? 18.7
(17.1 to 21.2)
0
(0.0 to 39.0)
22.8
(14.3 to 47.6)
27.5
(20.1 o 26.2)
22.3
(17.1 to 27.1)
27.5
(16.3 to 42.8)
0.5
(0.09 to 2.8)
Is DS associated with malformations such as heart defects? 39.2
(36.2 to 42.3)
16.7
(3.0 to 56.3)
20
(8.9 to 39.1)
45.4
(41.2 to 49.4)
55.2
(49.1 to 62.2)
60.0
(44.6 to 73.6)
1.0
(0.28 to 3.6)
Can Fetal malformations be diagnosed by scans? 60.1
(57.1 to 63.1)
33.3
(9.7 to 70.0)
48
(30.0 to 66.5)
71.0
(67.2 to 74.1)
78.6
(72.1 to 83.1)
92.5
(80.1 to 97.4)
1.5
(0.52 to 4.4)
What is the suitable time for a scan to diagnose fetal malformations? 25.1
(23.2 to 28.3)
33.3
(9.7 to 70.0)
12
(4.2 to 29.9)
29.8
(26.2 to 34.2)
34.5
(29.2 to 41.3)
22.5
(12.1 to 36.1)
1.5
(0.52 to 4.4)
Table 3: Questionnaire responses from patient sample(CI-Confidence interval) 1-No Education, 2-Primary up to Grade 5, 3-Secondary up to O Level, 4-A-Level or vocational training, 5-Tertiary/ postgraduate, 6-Education status unknown (NT-Nuchal translucency, DS-Down’s syndrome CVS-chorionic villus sampling).
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