Table 3 Detection power of natural and human geographical factors on the occurrence proportion of six types of malignant tumors in prefecture-level regions (%).
From: Geographical analysis of malignant tumor incidence and treatment in China
Geographic factor | Respiratory system malignant tumor | Digestive system malignant tumor | Breast system malignant tumor | Reproductive system malignant tumor | Urinary system malignant tumor | Endocrine system malignant tumor | Average |
|---|---|---|---|---|---|---|---|
Natural geographic factors | |||||||
Average elevation | 25.41 | 8.82 | 11.51 | 9.65 | 20.82 | 16.63 | 15.47 |
Topographic variation | 18.99 | 3.81 | 12.05 | 9.77 | 20.23 | 9.78 | 12.44 |
Average temperature in January | 18.18 | 5.57 | 7.59 | 3.98 | 24.71 | 7.94 | 11.33 |
Average temperature in July | 16.65 | 4.28 | 5.52 | 6.93 | 25.75 | 9.36 | 11.42 |
Annual precipitation | 24.03 | 6.67 | 5.78 | 3.64 | 23.64 | 6.19 | 11.66 |
Average annual relative humidity | 21.01 | 2.70 | 4.81 | 3.19 | 27.46 | 8.09 | 11.21 |
Annual sunshine hours | 19.31 | 4.02 | 5.80 | 1.37 | 24.99 | 6.01 | 10.25 |
Average annual wind speed | 4.26 | 4.46 | 7.27 | 4.91 | 3.52 | 5.70 | 5.02 |
Human geographic factors | |||||||
Income level | 7.53 | 4.14 | 10.85 | 3.80 | 8.23 | 23.49 | 9.67 |
Urbanization rate | 12.90 | 4.74 | 23.28 | 6.19 | 7.29 | 17.99 | 12.07 |
Education level | 9.14 | 2.83 | 8.81 | 4.04 | 8.78 | 9.01 | 7.10 |
Public health resources | 4.48 | 2.25 | 4.48 | 4.00 | 3.16 | 8.06 | 4.41 |
Water pollution | 10.09 | 3.68 | 11.69 | 5.53 | 8.43 | 9.00 | 8.07 |
Air pollution | 8.79 | 4.58 | 4.30 | 3.51 | 9.64 | 3.35 | 5.70 |
Average | 14.34 | 4.47 | 8.84 | 5.04 | 15.48 | 10.04 | |
