Table 1 Helmet use by road type and by position of riders.

Road type	Driver			Passenger			Unadjusted overall helmet use (%)	Weighted overall helmet use (%)
	n	With helmet (%)	Weighted helmet use (%)	n	With helmet (%)	Weighted helmet use (%)
National	3918	63.63	66.72	1896	41.30	42.38	56.35	59.01
Provincial	3537	44.98	47.73	1664	19.53	23.44	36.84	39.97
District	3625	31.48	29.66	1452	12.33	11.35	26.00	24.22
Commune	2111	15.63	15.60	799	5.76	5.10	12.92	12.79
Inner city	3369	9.32	10.16	970	7.01	7.80	8.80	9.54
Total	16560	35.44	34.69	6781	20.66	18.97	31.15	29.94