Number of reported and validated cases of chronic diseases in workers
| Number of self-reported cases | Number of medical record reviewed | Number of valid cases | Per cent validated among reviewed | |
|---|---|---|---|---|
| Osteoarthritis with medication | 233 | NA* | NA | NA |
| Hypertension with medication | 1503 | NA* | NA | NA |
| High cholesterol with medication | 1331 | NA* | NA | NA |
| Coronary heart disease | 486 | 436 | 399 | 92 |
| Stroke | 188 | 149 | 119 | 76 |
| Type II diabetes | 484 | 445 | 413 | 93 |
| Thyroid disease with medication | 231 | 179 | 165 | 92 |
| Liver disease | 216 | 127 | 74 | 58 |
| Enlarged liver/fatty liver/cirrhosis | 92 | 127 | 39 | 31 |
| Autoimmune disease (combined) | 226 | 169 | 74 | 44 |
| COPD | 305 | 228 | 155 | 68 |
| Asthma with medication | 138 | 108 | 84 | 78 |
| Cancer (combined) | 441 | 344 | 335 | 97 |
| Total | 2845 | 2348 | 1899 | 81 |
*Medical records were not sought for osteoarthritis, hypertension and high cholesterol. Cases of these diseases were analysed only if participants reported taking medication for them. Twenty-seven participants reporting osteoarthritis also reported rheumatoid arthritis, and were excluded from the osteoarthritis analysis.
COPD, chronic obstructive pulmonary disease; NA, not applicable.