Table 1. Input variables in the BBN for estimating HFMD outbreak risk.
| Variables name | Corresponding categorical values | Initial values | Variables name | Corresponding categorical values | Initial values |
|---|---|---|---|---|---|
| The Risk Level of HFMD outbreak | Low | <P50 | Average Relative Humidity (%) | Low | <70.850 |
| Intermediate | P50-P80 | Lower Intermediate | 70.850–73.994 | ||
| High | >P80 | Intermediate | 73.994–75.727 | ||
| The rate of virus EV71 detection in mild case for children aged 0–5 years old (1/100) | Low | <0.057 | Upper Intermediate | 75.727–77.765 | |
| Lower Intermediate | 0.057–0.151 | High | >77.765 | ||
| Intermediate | 0.151–0.267 | Average Temperature (°C) | Low | <18.283 | |
| Upper Intermediate | 0.267–0.407 | Lower Intermediate | 18.283–21.508 | ||
| High | >0.407 | Intermediate | 21.508–23.229 | ||
| The rate of virus EV71 detection in mild case for children aged 0–3 years old (1/100) | Low | <0.050 | Upper Intermediate | 23.229–27.321 | |
| Lower Intermediate | 0.050–0.155 | High | >27.321 | ||
| Intermediate | 0.155–0.263 | Average Wind Speed (m/s) | Low | <1.658 | |
| Upper Intermediate | 0.263–0.415 | Lower Intermediate | 1.658–1.797 | ||
| High | >0.415 | Intermediate | 1.797–1.958 | ||
| The rate of virus EV71 detection in mild case for children aged 3–5 years old (1/100) | Low | <0.05 | Upper Intermediate | 1.958–2.194 | |
| Lower Intermediate | 0.05–0.354 | High | >2.194 | ||
| Upper Intermediate | 0.354–0.9 | Minimum Relative Humidity (%) | Low | <49.535 | |
| High | >0.9 | Lower Intermediate | 49.535–53.342 | ||
| The density of the susceptible population (ie., children under the age of 5) (pop/km2) | Low | <20.299 | Intermediate | 53.342–55.675 | |
| Lower Intermediate | 20.299–21.081 | Upper Intermediate | 55.675–58.935 | ||
| Intermediate | 21.081–29.716 | High | >58.935 | ||
| Upper Intermediate | 29.716–33.449 | Rainfall (mm) | Low | <3.017 | |
| High | >33.449 | Lower Intermediate | 3.017–3.752 | ||
| Average air pressure (hPa) | Low | <982.689 | Intermediate | 3.752–5.751 | |
| Lower Intermediate | 982.689–987.763 | Upper Intermediate | 5.751–7.574 | ||
| Intermediate | 987.763–994.911 | High | >7.574 | ||
| Upper Intermediate | 994.911–1003.306 | Sunshine Hours (h) | Low | <21.916 | |
| High | >1003.306 | Lower Intermediate | 21.916–30.908 | ||
| Urbanization Level (%) | Low | <42.815 | Intermediate | 30.908–41.319 | |
| Lower Intermediate | 42.815–48.555 | Upper Intermediate | 41.319–52.896 | ||
| Intermediate | 48.555–56.825 | High | >52.896 | ||
| Upper Intermediate | 56.825–69.78 | Temperature Difference (°C) | Low | <7.213 | |
| High | >69.78 | Lower Intermediate | 7.213–7.547 | ||
| Maximum Wind Speed (m/s) | Low | <3.934 | Intermediate | 7.547–8.029 | |
| Lower Intermediate | 3.934–4.222 | Upper Intermediate | 8.029–8.544 | ||
| Intermediate | 4.222–4.499 | High | >8.544 | ||
| Upper Intermediate | 4.499–4.943 | ||||
| High | >4.943 |