Table 1.

Definition of sampling units and strata for the two-stage sampling procedure

Stage	Sampling Units (Colleges)	Strata	Minimum Required		Total existing units
			Units	students
1	Sciences	1/9.4 *83 sampling fraction	8	64	11
	Art & Built Environment	1/9.4 *83 sampling fraction	8	64	10
	Humanities & Social Sciences	1.4/9.4 *83 sampling fraction	12	96	14
	Health Sciences	4/9.4 *83 sampling fraction	35	280	39
	Engineering	1/9.4 *83 sampling fraction	8	64	11
	Agric & Natural Resources	1/9.4 *83 sampling fraction	8	64	10
2	Sampling Units (Departments)	Year/Level	Gender		Proportion
		1st year	Male		0.50
			Female		0.50
		2nd year	Male		0.50
			Female		0.50
		3rd year	Male		0.50
			Female		0.50
		4th year	Male		0.50
			Female		0.50