Table 4 Differences in students (N = 425) pretest and posttest scores on HIV/AIDS, obesity, nutrition, physical activity and communication subscales by school quintile

 Knowledge about HIV/AIDS

1

7.95 (3.07)

9.68 (2.76)

2

7.46 (3.25)

10.21 (2.58)

3

7.43 (3.08)

9.70 (2.98)

4

9.76 (2.68)

11.82 (1.32)

 Attitude to openness about status

1

1.92 (0.95)

1.96 (0.96)

2

1.77 (0.94)

1.89 (0.94)

3

1.96 (0.97)

2.01 (0.96)

4

1.62 (0.89)

1.74 (0.91)

 Perception of stigma in community

1

2.25 (0.81)

2.31 (0.79)

2

1.96 (0.79)

2.30 (0.79)

3

2.03 (0.90)

2.32 (0.80)

4

2.34 (0.73)

2.23 (0.80)

 Perceived risk about contracting HIV/AIDS

1

1.98 (0.85)

1.88 (0.87)

2

2.06 (0.87)

1.89 (0.83)

3

2.00 (0.86)

2.10 (0.85)

4

1.89 (0.88)

1.84 (0.88)

 Exposure to HIV/AIDS education

1

2.36 (0.89)

2.77 (0.57)

2

2.24 (0.88)

2.94 (0.29)

3

2.24 (0.91)

2.80 (0.56)

4

2.74 (0.64)

2.95 (0.33)

 Awareness of Obesity

1

1.89 (0.93)

2.65 (0.70)

2

1.80 (0.92)

2.94 (0.29)

3

1.90 (0.90)

2.75 (0.60)

4

2.22 (0.91)

2.93 (0.30)

 Awareness about BMI

1

1.38 (0.69)

2.52 (0.77)

2

1.41 (0.63)

2.74 (0.58)

3

1.41 (0.68)

2.36 (0.85)

4

1.41 (0.70)

2.78 (0.58)

 Skill (Measuring and interpreting BMI)

1

1.36 (0.67)

2.28 (0.86)

2

1.33 (0.58)

2.50 (0.79)

3

1.45 (0.72)

2.19 (0.92)

4

1.36 (0.65)

2.46 (0.78)

 Perceived importance of nutrition to health

1

1.03 (0.43)

1.04 (0.47)

2

1.14 (0.59)

0.91 (0.58)

3

1.03 (0.47)

1.09 (0.52)

4

1.09 (0.56)

1.04 (0.51)

 Awareness about food labels

1

2.14 (0.91)

2.80 (0.53)

2

1.95 (0.86)

2.86 (0.46)

3

2.20 (0.85)

2.75 (0.60)

4

2.27 (0.85)

2.99 (0.12)

 Skill (Interpreting a food label)

1

2.04 (0.93)

2.74 (0.61)

2

1.77 (0.82)

2.79 (0.51)

3

2.03 (0.90)

2.73 (0.62)

4

2.19 (0.87)

2.93 (0.25)

 Attitude to importance of physical activity for health

1

2.80 (0.57)

2.77 (0.60)

2

2.67 (0.74)

2.81 (0.55)

3

2.79 (0.59)

2.77 (0.62)

4

2.78 (0.60)

2.78 (0.60)

 Awareness about pulse rate

1

1.59 (0.85)

2.50 (0.82)

2

1.34 (0.91)

2.77 (0.57)

3

1.58 (0.79)

2.43 (0.85)

4

1.88 (0.91)

2.85 (0.49)

 Skill (Measuring pulse rate)

1

1.41 (0.70)

2.32 (0.86)

2

1.33 (0.61)

2.67 (0.63)

3

1.43 (0.66)

2.24 (0.85)

4

1.55 (0.80)

2.78 (0.56)

 Behaviour in communicating about adolescent issues

1

17.06 (5.07)

16.78 (4.89)

2

15.97 (4.51)

16.30 (4.42)

3

16.67 (4.74)

17.45 (4.71)

4

15.20 (5.09)

15.51 (4.97)