Lactase non-persistence and milk consumption in Estonia

Table 1 Frequency of the C/T-13910 variant

Genotype of C/T-13910 variant	Frequency (%)
CC	24.8
CT	47.5
TT	27.7

Table 2 Milk consumption and self-reported milk intolerance in Estonian adult population according to different genotypes of the C/T-13910 variant n (%)

Genotype	C/C-13910	C/T-13910	T/T-13910	Total	P
Drinking milk (dL/d)					aP < 0.05
0	24 (31)	34 (23)	21 (24)	79 (25)
1-2	38 (49)	63 (42)	35 (40)	136 (43)
3-7	15 (19)	40 (27)	23 (27)	78 (25)
8 and more	1 (1)	12 (8)	8 (9)	21 (7)
Symptoms from milk	17 (22)	7 (5)	5 (6)	29 (9)	bP < 0.001

^aP < 0.05 vs C/T-13910 and T/T-13910 in drinking milk;

^bP < 0.001 vs those without milk intolerance.