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Table 4 The effect of the intervention on dietary diversity score, fat intake score and sugar intake score

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

Variable

 

Intervention

Control

Estimated Intervention

P-value

    

Effect

 

DDS

 

Mean(SD)

Mean(SD)

Mean (95 % CI)

 
 

Baseline (2009)

4.56(1.29))

4.54(1.22))

  
 

Follow-up 1 (2010)

5.03(1.24)

4.78(1.17)

  
 

Follow-up 2 (2011)

4.91(1.17)

4.83(1.29)

  
  

Mean (95 % CI)

Mean (95 % CI)

  
 

BSL to FU1

0.49(−0.04;1.03)

0.25(−0.13; 0.62)

0.25 (−0.34; 0.84)

0.387

 

BSL to FU2

0.39* (0.10; 0.69)

0.35(−0.01; 0.71))

0.04 (−0.37; 0.46)

0.826

FIS

 

Mean(SD)

Mean(SD)

  
 

Baseline (2009)

1.27(0.98)

1.24(0.98)

  
 

Follow-up 1 (2010)

1.56(0.10)

1.53(0.94)

  
 

Follow-up 2 (2011)

1.62(0.99)

1.65(0.90)

  
  

Mean (95 % CI)

Mean (95 % CI)

  
 

BSL to FU1

0.30 *(0.02; 0.58)

0.29 *(0.11;0.47)

−0.01(−0.29; 0.31)

0.950

 

BSL to FU2

0.36 *(0.19; 0.53)

0.38*(0.19;0.57)

−0.03(−0.26; 0.20)

0.809

SIS

 

Mean(SD)

Mean(SD)

  
 

Baseline (2009)

2.06(1.07)

1.86(1.11)

  
 

Follow-up 1 (2010)

2.19(1.09)

2.22(1.12)

  
 

Follow-up 2 (2011)

2.17(1.06)

2.26(1.22)

  
  

Mean (95 % CI)

Mean (95 % CI)

  
 

BSL to FU1

0.13(−0.18;0.44)

0.35(−0.05;0.75)

−0.21(−0.67; 0.25)

0.335

 

BSL to FU2

0.11(−0.18;0.40

0.38 *(0.05; 0.72

−0.27 (−0.68; 0.13)

0.165

  1. DDS = dietary diversity score; FIS = fat intake score; SIS = sugar intake score; CI = confidence interval; BSL = baseline 2009; FU1 = first follow-up 2010; FU2 = second follow-up 2011
  2. *Significant improvement over baseline