| Per cent (No./total responding) | |||||
| Disorder | 1. Very unwilling | 2. Unwilling | 3. Neither unwilling or willing | 4. Willing | 5. Very willing |
| (A) Autosomal recessive | |||||
| α-1-Antitrypsin deficiency | 7 (11/162) | 28 (46/162) | 20 (33/162) | 37 (60/162) | 8 (12/162) |
| Deafness (connexin 26) | 9 (14/166) | 28 (47/166) | 19 (32/166) | 37 (62/166) | 7 (11/166) |
| Aspartylglucosaminuria | 9 (14/150) | 31 (46/150) | 25 (38/150) | 32 (47/150) | 3 (5/150) |
| Sickle cell anaemia | 8 (12/156) | 26 (41/156) | 21 (33/156) | 40 (62/156) | 5 (8/156) |
| Ataxia telangiectasia | 11 (17/158) | 30 (48/158) | 22 (35/158) | 33 (52/158) | 4 (6/158) |
| Spinal muscular dystrophy | 9 (15/165) | 25 (42/165) | 21 (34/165) | 39 (64/165) | 6 (10/165) |
| β-Thalassaemia | 7 (12/159) | 27 (43/159) | 21 (33/159) | 39 (62/159) | 6 (9/159) |
| Tay–Sachs disease | 10 (16/153) | 28 (43/153) | 19 (29/153) | 37 (56/153) | 6 (9/153) |
| Cystic fibrosis | 8 (13/170) | 26 (44/170) | 16 (28/170) | 42 (71/170) | 8 (14/170) |
| (B) X linked | |||||
| Adrenoleucodystrophy | 7 (11/164) | 26 (42/164) | 22 (37/164) | 40 (65/164) | 5 (9/164) |
| Glucose-6-phosphate dehydrogenase deficiency | 5 (8/160) | 28 (45/160) | 22 (35/160) | 39 (63/160) | 6 (9/160) |
| Choroideremia | 6 (9/150) | 26 (39/150) | 26 (39/150) | 38 (57/150) | 4 (6/150) |
| Haemophilia A | 5 (8/166) | 22 (37/166) | 23 (38/166) | 42 (69/166) | 8 (14/166) |
| Fabry disease | 6 (10/156) | 24 (38/156) | 20 (31/156) | 44 (69/156) | 6 (10/156) |
| Retinitis pigmentosa | 6 (10/161) | 27 (44/161) | 21 (34/161) | 41 (65/161) | 5 (8/161) |
| Fragile X syndrome | 5 (8/168) | 22 (37/168) | 18 (31/168) | 48 (80/168) | 7 (12/168) |
| X linked severe combined immunodeficiency | 6 (10/158) | 25 (40/158) | 30 (32/158) | 41 (65/158) | 7 (11/158) |
The minor is requesting the carrier test personally.