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Table 20 Attendance and national examinations

From: Effects of the Informed Health Choices primary school intervention on the ability of children in Uganda to assess the reliability of claims about treatment effects, 1-year follow-up: a cluster-randomised trial

Attendance rates
 Control schools
N = 33 schools
Median (25th to 75th percentile)
Intervention schools
N = 31 schools
Median (25th to 75th percentile)
Adjusted differenceP value
Intervention term90.3% (78.7% to 98.0%)89.1% (80.4% to 96.4%)3% less (95% CI, −14 to 6)0.437
Following term91.7% (81.1% to 97.8%)89.5% (78.6% to 96.2%)2% more (95% CI, −10 to 13)0.726
Average scores on national examinations
 Control schools
Mean (SD)
Intervention schools
Mean (SD)
Adjusted mean differenceP value
End of intervention term
 English54.2% (22.5)52.3% (22.5)−1.7% (95% CI, −6.6 to 3.2)0.500
 Math51.5% (23.4)49.0% (22.5)−1.8% (95% CI, −6.6 to 3.0)0.457
 Science49.8% (24.4)49.7% (23.3)−0.5% (95% CI, −5.4 to 4.5)0.852
 Social science52.6% (24.0)51.9% (23.7)−1.0% (95% CI, −6.2 to 4.2)0.699
 Total52.3% (21.4)51.1% (21.0)−1.2% (95% CI, − 5.5 to 3.2)0.597
Following term
 English56.3% (22.1)56.1% (22.5)2.4% (95% CI, −2.3 to 7.2)0.312
 Math53.8% (23.2)50.2% (22.4)0.8% (95% CI, −4.1 to 5.8)0.752
 Science52.4% (23.9)49.3% (23.3)0.8% (95% CI, − 4.1 to 5.4)0.813
 Social science56.0% (23.8)52.0% (22.7)−0.1% (95% CI, −4.8 to 4.7)0.964
 Total54.8% (21.5)52.2% (20.6)1.0% (95% CI, −3.4, 5.4)0.671
Proportion with a passing score (≥ 35%) on the national examinations
 Control schools n (%)Intervention schools n (%)Adjusted difference 
End of intervention termTotal: 49 schools, 3795 childrenTotal: 44 schools, 4201 children  
 English2917/3766 (77.5%)3009/3984 (71.8%)0.0% (95% CI, −10.0 to 13.8)0.998
 Math2709/3772 (71.8%)2809/3985 (70.5%)1.6% (95% CI, −12.0 to 11.9)0.799
 Science2632/3764 (69.9%)2829/3990 (70.9%)−0.1% (95% CI, −11.4 to 14.6)0.988
 Social science2794/3773 (74.1%)2957/3980 (74.3%)−1.7% (95% CI, − 11.9 to 12.9)0.801
 Total2698/3730 (72.3%)2830/3934 (71.9%)−0.7% (95% CI, − 11.5 to 13.8)0.920
Following termTotal: 51 schools, 3956 childrenTotal: 48 schools, 4474 children  
 English3205/3934 (81.5%)3655/4460 (82.0%)3.8% (95% CI, −5.2 to 16.6)0.461
 Math3038/3940 (76.9%)3174/4441 (71.5%)−0.1% (95% CI, −10.3 to 12.8)0.984
 Science2923/3942 (74.2%)3137/4436 (70.7%)−0.1% (95% CI, −11.4 to 14.6)0.878
 Social science3125/3940 (79.3%)3366/4452 (75.6%)1.1 (95% CI, −8.1 to 13.2)0.839
 Total3022/3914 (77.2%)3268/4404 (74.2%)1.5% (95% CI, −8.6 to 14.8)0.797
Proportion with a distinction score (≥ 70%) on the national examinations
 Control schools
n (%)
Intervention schools
n (%)
Adjusted difference 
End of intervention termTotal: 49 schools, 3795 childrenTotal: 44 schools, 4201 children  
 English1133/3766 (30.1%)1077/3984 (27.0%)−7.0% (95% CI, −21.4 to 4.9)0.278
 Math995/3772 (26.4%)850/3985 (21.3%)−4.2% (95% CI, −17.3 to 5.6)0.716
 Science966/3764 (25.7%)977/3990 (24.5%)−2.1% (95% CI, −14.9 to 7.7)0.716
 Social science1117/3773 (29.6%)1117/3980 (28.1%)−1.7% (95% CI, − 15.5 to 9.2)0.791
 Total904/3730 (24.2%)882/3934 (22.4%)−2.1% (95% CI, − 15.0 to 7.3)0.693
Following termTotal: 51 schools, 3956 childrenTotal: 48 schools, 4474 children  
 English1263/3934 (32.1%)1440/4460 (32.3%)4.8% (95% CI, −7.7 to 14.6)0.425
 Math1101/3940 (27.9%)1023/4441 (23.0%)−3.4% (95% CI, −16.8 to 6.6)0.551
 Science1099/3942 (27.9%)1024/4436 (23.1%)−0.8% (95% CI, −12.3 to 7.9)0.875
 Social science1342/3940 (34.1%)1207/4452 (27.1%)−0.2% (95% CI, − 12.4 to 9.3)0.967
 Total1063 (27.2%)1012 (23.0%)1.3% (95% CI, −11.1 to 10.0)0.819
  1. SD standard deviation