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Table 1 Definition of sampling units and strata for the two-stage sampling procedure

From: Prevalence and risk factors of obesity among undergraduate student population in Ghana: an evaluation study of body composition indices

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