Table 1 Demographic, life style and work characteristics of primary (n = 1003), junior secondary (n = 559) and senior secondary teachers (n = 170) in Botswana

Gender

Male

17.0

39.2

48.2

27.3

Female

83.0

60.8

51.8

72.7

Age (years)

≤30

15.6

34.3

10.2

21.1

31-40

29.5

49.4

53.6

38.3

41-50

40.4

14.1

31.7

31.0

>50

14.5

2.2

5.4

9.6

Body mass index

<18.5

5.0

7.1

3.7

5.6

18-24.9

35.7

51.9

43.7

42.1

25-29.9

29.3

25.1

34.8

28.5

≥30

30.0

15.9

17.8

23.9

Marital status

Single

53.8

54.7

42.4

53.0

Married

38.7

42.8

50.6

41.2

Separated/divorced/widowed

7.5

2.5

7.1

5.8

Education level

Certificate

9.2

0.2

0.6

5.4

Diploma

71.7

53.1

0.6

58.7

Bachelors’ degree

19.1

46.7

98.8

35.9

Number of children less than 6 years

1

73.9

72.5

73.0

73.2

≥2

26.1

27.5

27.0

26.8

Hours of physical exercise per week (hours)

≤5

89.5

84.3

84.6

87.2

>5

10.5

15.7

15.4

12.8

Length of employment (years)

≤10

38.0

68.9

42.9

48.4

11-20

34.0

28.3

47.1

33.4

21-30

24.1

2.5

8.8

15.6

>30

3.9

0.4

1.2

2.5

Work hours per week (hours)

40

88.8

85.7

83.5

87.3

>40

11.2

14.3

16.5

12.7

Number of students taught on average

≤25

5.2

25.8

9.4

12.2

26-30

20.4

8.1

4.7

14.9

31-35

39.4

11.3

15.3

27.9

36-40

32.6

32.6

55.9

34.9

>40

2.4

22.4

14.7

10.0

Extracurricular activities

No

22.6

45.8

55.9

33.4

Yes

77.4

54.2

44.1

66.6