From: A study on the epidemiological characteristics and infectious forecast model of malaria at Guangzhou Airport among Chinese returnees from Africa
Variable
Number
Infection rate (%)
\(\chi^{ 2}\)
P
Types of environment
25.889
0.000
Island
68
3 (4.41)
Plain
219
15 (6.85)
City
846
60 (7.10)
Mountain
313
49 (15.65)
Others
46
7 (15.22)