Cause-specific number of death and age–sex–calendar-year-standardised mortality ratio of the study cohort
| Cause of death (ICD-9-CM code) | No of deaths | Standardised mortality ratio | ||
| n | Percentage | Estimate | 95% CI | |
| All causes | 796 | 100.0 | 68 | 63 to 73 |
| Infection (001-139) | 22 | 2.8 | 64 | 40 to 97 |
| Neoplasm (140-239) | 221 | 27.8 | 101 | 88 to 115 |
| Endocrine (240-279) | 56 | 7.0 | 88 | 66 to 114 |
| Blood (280-289) | 1 | 0.1 | 32 | 6 to 176 |
| Mental (290-389) | 3 | 0.4 | 47 | 9 to 138 |
| Nerve (320-389) | 6 | 0.8 | 56 | 20 to 121 |
| Circulation (390-459) | 225 | 28.3 | 68 | 59 to 77 |
| Respiratory (460-519) | 77 | 9.7 | 64 | 50 to 80 |
| Digestive (520-679) | 48 | 6.0 | 56 | 41 to 75 |
| Genitourinary (580-629) | 49 | 6.2 | 103 | 76 to 136 |
| Skin (680-709) | 3 | 0.4 | 42 | 8 to 122 |
| Musculoskeletal (710-739) | 1 | 0.1 | 19 | 4 to 103 |
| Symptoms (780-799) | 51 | 6.4 | 41 | 30 to 54 |
| Injury (800-999) | 33 | 4.1 | 31 | 21 to 43 |