List of health worker groups included in the analysis
| ISCO-08 code | Health worker group |
| 2211 and 2212 | Medical doctors (generalists and specialists) |
| 2221 and 2222, 3221 and 3222 | Nursing and midwifery professionals and associates |
| 2261 and 3251 | Dentists and dental assistants, and therapists |
| 2262 and 3213 | Pharmacists, pharmaceutical technicians and assistants |
| 3256 | Medical assistants |
| 3212 | Medical and pathology laboratory technicians |
| 3211 | Medical imaging and therapeutic equipment technicians |
| 2264 and 3255 | Physiotherapists and physiotherapy technicians, and assistants |
| 2267 and 3254 | Optometrists and dispensing opticians |
| 2240 | Paramedical practitioners |
| 2265 | Dieticians and nutritionists |
| 2263 and 3257 | Environmental and occupational health and hygiene professionals |
| 3253 | Community health workers |
.ISCO, International Standard Classification of Occupations.