Table 1. Relationship between GERD and some putative risk factors.

Risk factor	GERD (n = 108)	No GERD (n = 302)	P - value	Relative Risk	Odds Ratio
Smoking	8	18	0.6203	1.168	1.243
Alcohol	48	120	0.5834	1.085	1.119
NSAID	40	92	0.3743	1.15	1.216
Coffee	59	75	0.0001*	1.672	2.2
Kolanut	49	68	0.0012*	1.59	2.015

*Statistically significant