| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 2331 | 
                                    
                                    57.5%
                                 | 
| 2 | Seldom | 313 | 
                                    
                                    7.7%
                                 | 
| 3 | Some times | 1114 | 
                                    
                                    27.5%
                                 | 
| 4 | Very often | 298 | 
                                    
                                    7.3%
                                 | 
| var_concept.title | Vocabulary | 
|---|---|
| The presence of contaminants or pollutant substances in the air that do not disperse properly and that interfere with human health or welfare. | Air pollution | 
| Audible sound from traffic, construction, and so on that may generate unpleasant and harmful effects ( hearing loss). It is measured in decibels. | Noise |