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Table 1 Percent learners who consumed foods high in fat and/or sugar in 2009, 2010 and 2011 at intervention and control schools based on an unquantified 24-h recall

From: Did HealthKick, a randomised controlled trial primary school nutrition intervention improve dietary quality of children in low-income settings in South Africa?

 

Intervention

Control

Intervention effect Mean (95 % CI)

p-value

Mean % (SD)

Mean % (SD)

Fried potato chips

    

 Baseline (2009)

6.8 (5.11)

7.4 (4.94)

  

 FU 1 (2010)

9.5 (5.8)

7.5 (3.69)

2.63 (−4.49; 9.75)

0.442

 FU2 (2011)

7.4 (6.57)

6.2 (4.82)

1.80 (−4.21; 7.80)

0.532

Fried food

    

 Baseline (2009)

25.2 (15.79)

18.9 (8.06)

  

 FU 1 (2010)

30.1 (17.35)

23.7 (11.56)

0.16 (−14.50; 14.82)

0.982

 FU2 (2011)

24.1 (14.91)

21.6 (5.26)

−3.77 (−13.12; 5.58)

0.402

Pies

    

 Baseline (2009)

3.9 (2.69)

2.1 (1.29)

  

 FU 1 (2010)

3.1 (3.06)

5.6 (6.91)

−4.31 (−10.16; 1.54)

0.136

 FU2 (2011)

2.9 (1.46)

3.4 (6.04)

−2.33 (−7.00; 2.33)

0.302

Potato crisps

    

 Baseline (2009)

53.1 (14.30)

56.9 (14.38)

  

 FU 1 (2010)

64.5 (13.46)

70.1 (17.72)

−1.84 (−18.26; 14.58)

0.814

 FU2 (2011)

72.3 (9.47

77.1 (8.71)

1.07 (−10.37; 8.22)

0.808

Take away foods

    

 Baseline (2009)

0.8 (1.66)

0.5 (0.95)

  

 FU 1 (2010)

1.1 (1.63)

1.1 (1.67)

−0.28 (−2.50; 1.93)

0.788

 FU2 (2011)

0.9 (1.26)

1.0 (2.14)

−0.32 (−2.66; 2.03)

0.778

Processed meat

    

 Baseline (2009)

32.8 (12.75)

35.2 (11.73)

  

 FU 1 (2010)

42.8 (13.11)

37.7 (14.91)

7.49 (−9.58; 24.56)

0.362

 FU2 (2011)

46.7 (15.30)

39.6 (9.74)

9.51 (−2.95; 21.97)

0.124

Table sugar

    

 Baseline (2009)

80.5 (13.72)

70.8 (17.72

  

 FU 1 (2010)

86.5 (6.46)

84.1 (11.31)

−7.28 (−20.20; 5.63)

0.247

 FU2 (2011)

85.4 (11.28)

81.5 (16.58)

−5.82 (−17.02; 5.39)

0.284

Chocolate

    

 Baseline (2009)

3.7 (3.96)

4.5 (3.98)

  

 FU 1 (2010)

2.6 (2.89)

3.2 (3.28)

0.22 (−4.83; 5.28)

0.926

 FU2 (2011)

2.0 (1.78)

4.7 (4.68)

−1.81 (−6.79; 3.17)

0.450

Sweets

    

 Baseline (2009)

26.7 (9.41)

29.9 (10.60)

  

 FU 1 (2010)

40.9 (15.66)

42.9 (17.90)

1.27 (−19.45; 21.98)

0.898

 FU2 (2011)

33.0 (13.28)

43.3 (10.92

−6.96 (−20.14; 6.22)

0.276

Cakes/biscuits

    

 Baseline (2009)

6.7 (4.94)

5.7 (4.03)

  

 FU 1 (2010)

5.0 (3.04)

4.7 (5.61)

−0.70 (−5.75; 4.35)

0.770

 FU2 (2011)

3.0 (6.93)

6.9 (5.07)

−4.93 (−10.16; 0.31)

0.063

Squashes/cordials

    

 Baseline (2009)

42.9 (21.46)

45.4 (18.32)

  

 FU 1 (2010)

44.8 (6.66)

55.2 (17.12)

−8.00 (−27.22; 11.22)

0.387

 FU2 (2011)

48.0 (11.89)

55.2 (14.56)

−4.77 (−28.76; 19.21)

0.676

Carbonated beverages

    

 Baseline (2009)

16 0 (6.65)

10.3 (9.05)

  

 FU 1 (2010)

25.2 (6.02)

20.5 (11.07)

−0.36 (−11.83; 11.11)

0.947

 FU2 (2011)

31.9 (15.52)

26.1 (12.81)

0.80 (−14.37; 16.00)

00.912

  1. FU1 = follow-up 1 2010; FU2 = follow-up 2 2011