Table 2.: Prevalence of COPD in Participants in Relation to Age, Sex & BMI

Variables FEV1% N (%)* P-Value°
≤ 70 % > 70 %
Age Groups
≤35
36-55
>55		 19 (2)
79 (4)
113 (12)		 768 (98)
1910 (96)
807 (88)		 <0.001
Sex
Male
Female		 174 (6)
37 (4)		 2687 (94)
798 (96)		 0.158
BMI
<18.5(Under Wt)
18.5-22.9(Normal)
23-24.9(Over Wt)
>25(Obese)		  11 (9.8)
49 (8.7)
34 (5.9)
117 (4.8)		 101 (90.2)
516 (91.3)
544 (94.1)
2324 (95.2)		 0.006

* FEV1% is the ratio of Forced Expiratory Volume (FEV1) to Forced Vital Capacity (FVC), The figures have been rounded to the nearest zero.
° Pearson Chi square test.