Source

Male patient
couple

Female patient couple

Control
couple

P
Male patient couple vs control

P
Female patient couple vs control

UK

18.7

18

6.9

<0.00003

<0.0000003

NZ

16.5

12.4

4.8

0.009

0.00001

Combined

15.1

16.6

6.2

<0.00003

<0.000001

*A low discordance score indicates that couples ate similar foods. The scores were compared using unpaired Student’s t-test.
Table 2: Mean discordance scores*.