Table 1.

The demographic profile of participants

Measures	Items	Frequency (N = 1740)	Percentage
Gender	Male	668	38.4
	Female	1070	61.5
	Not revealed	2	0.1
School location	Urban area	613	35.2
	Rural areaa	819	47.1
	Mountainous area	308	17.7
School level	Middle school	811	46.6
	High school	825	47.4
	Multi-level school	104	6.0

^aIn this study, a rural area is a geographic area that is located outside towns and cities but in the plain; meanwhile, mountainous areas refer to the geographic areas covered by mountains with a higher than average percentage of ethnic minority groups