1991, 1995, 2000, 2001, 2005, 2010, 2015
| Code | Value | 
|---|---|
| PCT_ALL_OF_TIME | All of the time | 
| PCT_ALMOST_ALL_OF_TIME | Almost all of the time | 
| PCT_AROUND_3QTR | Around 3/4 of the time | 
| PCT_AROUND_HALF | Around half of the time | 
| PCT_AROUND_1QTR | Around 1/4 of the time | 
| PCT_ALMOST_NEVER | Almost never | 
| PCT_NEVER | Never | 
| PCT_DK | Don't know | 
| PCT_REFUSE | Refusal | 
| Code | Value | 
|---|---|
| VIBRATION | Vibration | 
| NOISE | Noise | 
| HIGH_TEMP | High temperatures | 
| LOW_TEMP | Low temperatures | 
| BREATH_FUMES | Breathing fumes | 
| BREATH_VAPOURS | Breathing vapours | 
| CHEMICALS | Chemicals | 
| TOB_SMOKE | Tobacco smoke | 
| INFECTIOUS_MAT | Infectious materials | 
| Code | Value | 
|---|---|
| Y15-24 | 15-24 years | 
| Y25-34 | 25-34 years | 
| Y35-54 | 35-54 years | 
| Y55-64 | 55-64 years | 
| TOTAL | Total |