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Table 12 Self-efficacy

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

How difficult or easy would you find each of these actions to be?
 Assessing whether a claim about a treatment is based on a research study comparing treatments (a fair comparison)Assessing where I can find information about treatments that is based on research studies comparing treatments (fair comparisons)Assessing how sure I can be about the results of a research study comparing treatments (the trustworthiness of the results)Assessing if the results of a research study comparing treatments are likely to be relevant to me
 Control schools
N = 2844
Intervention schools
N = 3943
Control schools
N = 2844
Intervention schools
N = 3943
Control schools
N = 2844
Intervention schools
N = 3943
Control schools
N = 2844
Intervention schools
N = 3943
Missing71 (2.5%)55 (1.4%)73 (2.6%)71 (1.8%)82 (2.9%)84 (2.1%)72 (2.5%)86 (2.2%)
Very difficult357 (12.6%)455 (11.5%)338 (11.9%)431 (10.9%)488 (17.2%)581 (14.7%)436 (15.3%)568 (14.4%)
Difficult779 (27.4%)865 (21.9%)634 (22.3%)876 (22.2%)653 (23.0%)1007 (25.5%)513 (18.0%)727 (18.4%)
Easy837 (29.4%)1517 (38.5%)899 (31.6%)1348 (34.2%)640 (22.5%)897 (22.7%)694 (24.4%)1027 (26.0%)
Very easy334 (11.7%)623 (15.8%)525 (18.5%)856 (21.7%)454 (16.0%)712 (18.1%)562 (19.8%)779 (19.8%)
I don’t know466 (16.4%)428 (10.9%)375 (13.2%)361 (9.2%)527 (18.5%)662 (16.8%)567 (19.9%)756 (19.2%)
Easy or svery easya1171 (41.2%)2140 (54.3%)1424 (50.1%)2204 (55.9%)1094 (38.5%)1609 (40.8%)1256 (44.2%)1806 (45.8%)
Odds ratio (95% CI)b1.82
(1.43–2.33)
P < 0.00001
1.33
(1.11–1.59)
P = 0.00171
1.10
(0.94–1.30)
P = 0.233
1.10
(0.93–1.28)
P = 0.279
Adjusted differenceb14.8%
(8.9–20.5%)
7.2%
(2.6–11.5%)
2.3%
(− 1.4% to 6.1%)
2.3%
(− 1.9% to 6.1%)
End of intervention termc
Easy or very easy1886 (42.6%)3244 (56.4%)3069 (53.3%)2238 (50.5%)1777 (40.1%)2112 (36.7%)2002 (45.2%)2727 (47.4%)
Odds ratio1.83 (95% CI, 1.55 to 2.16)1.13 (95% CI, 0.96 to 1.33)0.84 (95% CI, 0.73 to 0.96)1.08 (95% CI, 0.93 to 1.25)
Adjusted difference15.0%
(95% CI, 10.9% to 19.0%)
3.0%
(95% CI, − 1.0% to 7.0%)
− 4.1%
(95% CI, − 1.0% to − 7.3%)
1.9%
(95% CI, − 1.8% to 5.6%)
  1. aMissing values and don’t know are pooled with difficult and very difficult
  2. bThe difference is an adjusted difference, based on mixed models with a random effects term for the clusters and the stratification variables modelled as fixed effects, using logistic regression. The odds ratios from the logistic regressions have been converted to differences using the intervention schools as the reference and the inverse of the odds ratios shown here
  3. cResults based on responses at the end of the term when the intervention was delivered