Inflammatory and Oxidative Stress Biomarkers in the Elderly, the Birjand Longitudinal Aging Study

Table 2

Demographic information of elderly.

Variable			Cigarette smoker	Non-cigarette smoker	value
Age					0.691
Gender	Male		92 (16%)	474 (84%)	0.00
	Female		9 (1%)	706 (99%)
BMI (kg/m^2)	Male	≤19	19 (37%)	32 (63%)	0.00
			15 (21%)	57 (79%)
			10 (10%)	86 (90%)
		≥23	48 (10%)	415 (90%)
	Female		0	28 (100%)	0.00
			1 (3%)	35 (97%)
			1 (1%)	73 (99%)
		≥23	7 (1%)	590 (99%)

Data are expressed as (%) or . Body mass index (BMI).