Effectiveness of Space Spraying on the Transmission of Dengue/Dengue Hemorrhagic Fever (DF/DHF) in an Urban Area of Southern Thailand

Table 2

General characteristics of DF/DHF cases classified by group of index cases.

Characteristic	Index case group		𝑃 value
	With secondary cases (group 1) (%)	Without secondary cases (group 2) (%)
Type of dengue
DF	11 (55.0)	58 (48.3)	0.76
DHF	9 (45.0)	62 (51.7)
Sex
Male	13 (35.7)	51 (42.5)	0.24
Female	7 (64.3)	69 (57.5)
Median age (yrs)	9	10.5	0.1