From: Lactase non-persistent genotype influences milk consumption and gastrointestinal symptoms in Northern Russians
Consumption
of milk
Lactase non-persistence
-13910C/C
(n = 180)
Lactase persistence
-13910C/T and -13910T/T
(n = 338)
n
%
Less than daily or none
122
67.8
196
58.0
Daily
58
32.2
142
42.0
Total
180
100
338