| Items | N | % | |
| Sex | Male | 16 | 1.7 |
| Female | 937 | 97.4 | |
| Blank | 9 | 0.9 | |
| 41.8 ± 10.41 (22 - 60) | |||
| Age | Twenties | 164 | 17.0 |
| Thirties | 236 | 24.5 | |
| Forties | 268 | 27.9 | |
| Fifties or more | 284 | 29.5 | |
| Blank | 10 | 1.0 | |
| 17.9 ± 10.58 (1 - 38) | |||
| Years of PHN experience | 5 years or less | 179 | 18.6 |
| 6 - 15 years | 235 | 24.4 | |
| 16 - 25 years | 268 | 27.9 | |
| 26 years or more | 280 | 29.1 | |
| Place of work | Prefectures | 237 | 24.6 |
| Government-ordinance-designated cities | 144 | 15.0 | |
| Cities | 421 | 43.8 | |
| Towns and Villages | 160 | 16.6 | |