How often do you hear treatment claims? |
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| Control schools N = 2844 | Intervention schools N = 3943 |
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One or more most days | 572 (20.1%) | 1000 (25.4%) |
One or more most weeks | 374 (13.2%) | 599 (15.2%) |
One or more most months | 497 (17.5%) | 715 (18.1%) |
Almost never | 653 (23.0%) | 788 (20.0%) |
I don’t know | 717 (25.2%) | 810 (20.5%) |
Missing | 31 (1.1%) | 31 (0.8%) |
One or more most days or most weeks | 946 (33.8%) | 1599 (40.6%) |
Odds ratioa | 1.35 (95% CI, 1.02–1.79) P = 0.0356 |
Adjusted differenceb | 7.0% (95% CI, 0.5–12.9%) |
- aThe odds ratio for the dichotomised data is shown in the table. The odds ratio from the mixed ordinal logistic regression was 1.30 (95% CI, 1.01 to 1.67; P = 0.0431)
- bThe difference is an adjusted difference, based on a mixed model with a random effects term for the clusters and the stratification variables modelled as fixed effects, using logistic regression. The odds ratio from the logistic regression has been converted to a difference using the intervention schools as the reference and the inverse of the odds ratios shown here