Table 2. Comparisons between the grill and non-grill street vendors. Independent T-Test, *p-value considered significant.

Variables	Participants		p-value	Confidence Interval
	Grill street vendors	Non-grill street vendors		Upper	Lower
FEV1 (%)	74.76 ± 9.77	74.80 ± 13.99	0.99	-6.89	6.81
FVC (%)	66.84 ± 8.90	68.16 ± 11.82	0.64	-7.27	4.63
Exhaled CO levels (ppm)	10.56 ± 7.16	6.88 ± 4.00	0.03*	0.38	6.97
HbCO (ng/ml)	486.16 ± 290.36	540.14 ± 187.89	0.439	-193.06	85.86