Table 3.

Subgroup analysis and interaction test of dietary vitamin B1 and severe AAC.

Variable	OR (95% CI)	P-value	P for interaction
Age			0.025
>60 years old	0.730 (0.461, 1.154)	0.164
≤60 years old	0.195 (0.049, 0.782)	0.024
Sex			0.026
Male	0.774 (0.484, 1.239)	0.264
Female	0.375 (0.234, 0.602)	<0.001
Smoke			0.023
Former	0.761 (0.353, 1.642)	0.461
Never	0.699 (0.408, 1.197)	0.177
Now	0.188 (0.072, 0.489)	0.002
Alcohol consumption			0.433
Former	0.905 (0.342, 2.394)	0.701
Never	0.972 (0.187, 5.059)	0.948
Mild	0.627 (0.137, 2.881)	0.319
Moderate	0.173 (0.001, 29.355)	0.279
Heavy	0.566 (0.066, 4.884)	0.373
CVD			0.343
Yes	0.853 (0.479, 1.521)	0.567
No	0.568 (0.381, 0.846)	0.008
Hypertension			0.74
Yes	0.617 (0.359, 1.061)	0.077
No	0.551 (0.239, 1.275)	0.151
Diabetes			0.255
Yes	0.805 (0.346, 1.874)	0.592
No	0.480 (0.319, 0.722)	0.002

OR, odds ratio; CI, confidence interval.