Table 2.
Prevalence of COPD according to age, occupation, passive smoking (both at home and working place), cooking habits (females)
| Variable | Classification | Prevalence | P value | ||
|---|---|---|---|---|---|
| Number | No. of cases | % | |||
| Age | 40-49 | 174 | 7 | 4.02 | <0.05 |
| 50-59 | 118 | 7 | 5.93 | ||
| 60-69 | 87 | 4 | 3.39 | ||
| 70+ | 68 | 5 | 7.35 | ||
| Occupation | Unemployed/retired | 0 | 0 | 0 | <0.05 |
| Housewife (Females) | 364 | 13 | 3.57 | ||
| Unskilled worker | 39 | 5 | 12.82 | ||
| Skilled worker | 10 | 3 | 30 | ||
| Bussiness | 3 | 1 | 33.33 | ||
| Farmer | 29 | 1 | 3.45 | ||
| Government/private worker | 2 | 0 | 0 | ||
| Government/private supervisor | 0 | 0 | 0 | ||
| Government/private officer | 0 | 0 | 0 | ||
| Exposure to smoke | Lpg | 25 | 1 | 4 | <0.05 |
| Kerosene | 6 | 1 | 16.66 | ||
| charcoal | 0 | 0 | 0 | ||
| Firewood | 411 | 21 | 5.11 | ||
| cowdung | 0 | 0 | 0 | ||
| Biogas | 1 | 0 | 0 | ||
| Lpg+firewood | 4 | 0 | 0 | ||
| Passive smoking (At home) | Yes | 246 | 14 | 5.69 | >0.05 |
| No | 201 | 9 | 4.47 | ||
| Passive smoking (At work) | Yes | 36 | 7 | 19.44 | <0.05 |
| No | 411 | 16 | 3.89 | ||