Table 3. Relative influence of the factors on tourism resources and the number of tourists on Hainan Island.

Influencing criteria	Influencing factors	q value for tourism resource	q value for number of tourists
V1 Natural conditions	V11 relief amplitude	0.3825	0.2736
	V12 average elevation	0.5548	0.3230
V2 Social conditions	V21 regional population	0.7051**	0.6548*
	V22 ethnic minority population	0.2763	0.2933
	V23road network density	0.6543	0.9456**
	V24 quantity of hotels	0.7707**	0.9651**
V3 Economic conditions	V31 per capita gross domestic product	0.6604	0.9484**
	V32 the proportion of tertiary industry in GDP	0.7383**	0.9369**
V4Tourism resources	V41 The quantity of tourism resources	--	0.6326*

** indicate the factors were significant at a level of 0.05, and

* indicate the factors were significant at a level of 0.1.