Socio demographic variables

Frequency

Percentage (%)

z-score, p-value

Gender

Z = 1.8

p > 0.05

Female

972

47.9

Male

1056

52.1

Total

2028

100

Marital status

Z = 47.2

p = 0.000

Married

1872

92.3

Single

156

7.7

Total

2028

100

Occupation

Sedentary workers**

Versus

Non-sedentary workers*

Z = 21.6

p < 0.01

Students*

50

2.5

Lecturers*

62

3.1

Traders*

71

3.5

Hair dressers*

95

4.7

House wives**

161

7.9

Health workers*

167

8.2

Teachers*

194

9.6

Farmers*

203

10.0

Bankers**

446

22.0

Retired civil servants**

579

28.5

Total

2028

100

High level of education

Tertiary (higher) education

Versus

Primary or secondary education

Z = 35.3

p < 0.001

Primary

561

27.7

Secondary

858

42.3

Tertiary

609

30

Total

2028

100