Table 1.

Distribution of riders and pillion riders based on helmet use

	Riders (n = 2134)		Pillion riders (n = 1365)		Total (n = 3499)		p valuea
	No.	(%)	No.	(%)	No.	(%)
Use per 100 riders or pillion riders observed
Helmet use	1961	(91.9)	915	(67.0)	2876	(82.2)	< 0.001
Standard helmet use	1278	(59.9)	549	(40.2)	1827	(52.2)	< 0.001
Full-face helmet use	1106	(51.8)	423	(31.0)	1529	(43.7)	< 0.001
Proper helmet use	880	(41.2)	354	(25.9)	1234	(35.3)	< 0.001
Effective helmet use	737	(34.5)	247	(18.1)	984	(28.1)	< 0.001

Proper helmet use = those using standard helmet and firmly strapped

Effective helmet use= those using standard, full-face helmet and firmly strapped

^aZ test for difference between proportions