| England N = 4858 | Ireland N = 3509 | Mann Whitney |  | ||
---|---|---|---|---|---|---|
 | median | (IQR) 1 | median | (IQR) 1 | Z | P |
Both genders | Â | Â | Â | Â | Â | Â |
   Alcohol | 24 | (16-35) | 24 | (13-36) | -0.619 | 0.536 |
   No/Not known | 20 | (14-32) | 24 | (12-36) | -0.328 | 0.743 |
Males | Â | Â | Â | Â | Â | Â |
   Alcohol | 30 | (16-40) | 30 | (18-48) | -1.086 | 0.277 |
   No/Not known | 28 | (16-40) | 25.5 | (16-48) | -1.739 | 0.082 |
Females | Â | Â | Â | Â | Â | Â |
   Alcohol | 20 | (14-32) | 20 | (12-30) | -1.496 | 0.135 |
   No/Not known | 20 | (13-32) | 20 | (12-30) | -0.954 | 0.340 |