Alcohol consumption and risk of gastric cancer: a cohort study of men in Kaunas, Lithuania, with up to 30 years follow-up

Table 3 Hazard ratios of gastric cancer by type of alcoholic beverage and intake per one occasion

Alcoholic beverage	No. of cases	Person-years at risk	Incidence rate/10,000 person-years	HR (95% CI)^a	HR (95% CI)^b
Beer
0	121	93,036	13.0	0.84 (0.59–1.20)	0.83 (0.58–1.18)
<1 litre	54	37,541	14.4	1	1 (reference)
≥1 litre	10	6,611	15.1	0.82 (0.40–1.67)	0.79 (0.39–1.62)
p-trend ^c					0.60
Wine
0	156	115,296	13.5	1.50 (0.89–2.53)	1.47 (0.87–2.50)
<0.5 litre	19	18,636	10.2	1	1 (reference)
≥0.5 litre	10	3,254	30.7	3.18 (1.41–7.14)	2.95 (1.30–6.68)
p-trend ^c					0.65
Vodka, MIHDPS ^d
0	14	11,298	12.4	1.22 (0.65–2.30)	1.20 (0.63–2.25)
<200 g	31	29,633	10.5	1	1 (reference)
≥200 g	97	67,291	14.4	1.42 (0.94–2.13)	1.25 (0.82–1.92)
p-trend ^c					0.55
Vodka, KRIS
0	1	2,466	4.0	0.37 (0.04–3.29)	0.37 (0.04–3.36)
<100 g	4	3,929	10.2	1	1 (reference)
≥100 g	38	22,570	16.8	1.69 (0.60–4.79)	1.51 (0.52–4.36)
p-trend ^c					0.11

^aStratified by study. Mutually adjusted for the other two beverage types.
^bStratified by study and adjusted for smoking (never, former, ≤10 cig/day, 11–19 cig/day, ≥20 cig/day); education (primary, unfinished secondary, secondary, higher); BMI. Mutually adjusted for the other two beverage types. Age was used as the underlying time metric for all analyses.
^cTest for trend was carried out across three categories by fitting ordinal variable ‘amount per one occasion’ as continuous.
^dResults for MIHDPS and KRIS participants are presented separately due to differences in questionnaire design.

ISSN: 1471-2407