Improving geographical accessibility modeling for operational use by local health actors

Table 1 Comparison of geographic information available on OSM in Ifanadiana district following mapping and the average geographic information available in the other districts of Vatovavy-Fitovinany Region

	Ifanadiana				Distric average^a for the rest of Vatovavy-Fitovinany region
	n	(%)	Length (km)	Area (ha)	n	(%)	Length (km)	Area (ha)
Residential area	4925				223
[0, 20]	4241	86.11			206	92.38
(20, 40]	371	7.53			9	4.03
(40, 50]	58	1.18			1	0.45
(50, 100]	177	3.59			4	1.19
> 100	78	1.58			3	1.35
Buildings	106,171				6723
Isolated house	36,539	34.42			5086	75.65
On residential area	69,632	65.58			1637	24.35
Rice field	17,446			13,436	201			297
Road networks
Path			23,726				400
Secondary road			62				68
Tertiary road			130				45

^aThe average here represents the sum of the number of residential areas, buildings, rice fields and the length of road networks in the other 5 districts of the region (Manakara, Mananjary, Ikongo, Vohipeno, Nosy-Varika) divided by 5

ISSN: 1476-072X