Table 1 Participant characteristics

From: Development and validation of a measure of informed choice for women undergoing non-invasive prenatal testing for aneuploidy

Participant characteristics N=585
Maternal age—mean, (IQR) 35 years (32–39)
Educational level
 No qualification 1% (n=6)
 GCSE or O level 8% (n=44)
 GCE, a level or similar 8% (n=46)
 Vocational (BTEC/NVQ/diploma) 19% (n=111)
 Degree level or above 64% (n=371)
 White or White British 77% (n=438)
 Asian or Asian British 11% (n=62)
 Black or Black British 7% (n=39)
 Other ethnic group 3% (n=17)
 Mixed 3% (n=15)
Religious faith
 Yes 53% (n=302)
 No 47% (n=271)
 Christian 75% (n=232)
 Muslim 12% (n=38)
 Jewish 5% (n=15)
 Other 3% (n=8)
 Sikh 2% (n=7)
 Hindu 2% (n=7)
 Buddhist 1% (n=3)
 Very 20% (n=50)
 Somewhat 66% (n=163)
 Not at all 14% (n=34)
DSS risk
 Intermediate risk 72% (n=421)
 High risk 28% (n=163)
Further testing
 NIPT 94% (n=548)
 NIPT and invasive testing 4% (n=24)
 No further testing 2% (n=13)
NIPT on same day or different day as DSS
 Different day 62% (n=357)
 Same day 35% (n=200)
 Same day but chose to return 4% (n=21)
 Parous 54% (n=306)
 Nulliparous 47% (n=266)
DSS in previous pregnancy
 Yes 75% (n=240)
 No 23% (n=73)
 Not sure 3% (n=9)
Have a child with Down’s syndrome
 Yes <1% (n=1)
 No 99.7% (n=329)
Know a child with Down’s syndrome
 Yes 29% (n=164)
 No 71% (n=393)
  1. Note: not all % add up to 100 owing to rounding. Not all participants answered all questions, and therefore there are some discrepancies with total numbers.