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Table 2 Knowledge of participants about PTB among bus users at Addis Ababa, 2012
| Variables | Frequency | |||
|---|---|---|---|---|
| Yes | % | No | % | |
| Signs and symptoms of PTB | ||||
| Cough of 2 weeks | 261 | 64.0 | 147 | 36.0 |
| Bloody sputum | 247 | 60.5 | 161 | 39.5 |
| Weight loss | 201 | 49.3 | 207 | 50.7 |
| Loss of appetite | 204 | 50.0 | 204 | 50.0 |
| Mode of PTB transmission | ||||
| Closing of bus windows | 240 | 58.8 | 168 | 41.2 |
| Inadequate ventilation and light | 43 | 10.5 | 365 | 89.5 |
| Coughing | 227 | 55.6 | 181 | 44.4 |
| Talking | 197 | 48.3 | 211 | 51.7 |
| Sneezing | 215 | 52.7 | 193 | 47.3 |
| Lip kissing | 175 | 42.9 | 233 | 57.1 |
| Improper disposal of sputum | 243 | 59.6 | 165 | 40.4 |
| Causes and risk factors for PTB | ||||
| Germs/bacteria is a cause for TB | 227 | 55.6 | 181 | 44.4 |
| Cigarette smoking | 122 | 29.9 | 286 | 70.1 |
| Overcrowding situation | 254 | 62.3 | 154 | 37.8 |
| PLHIV | 249 | 61.0 | 159 | 39.0 |
| Poor people | 177 | 43.4 | 231 | 56.6 |
| Prisoners | 155 | 38.0 | 253 | 62.0 |
| Rx of PTB | ||||
| TB is curable | 395 | 96.8 | 13 | 3.2 |
| Defaulting anti-TB causes incurable | 274 | 67.2 | 134 | 32.8 |
| Defaulting anti-TB causes drug resistance | 190 | 46.6 | 218 | 53.4 |
| Knowledgeable about PTB | 215 | 52.7 | 193 | 47.3 |
