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Table 5 Univariate median regression-derived coefficients (β) and 95 % confidence intervals (CI) for readability scores as dependent variables for the 36 PILs

From: A quality assessment of orthodontic patient information leaflets

Predicator variables   Univariate analysis   
Variable Category β 95 % CI p value
Flesch Reading Ease BOS Baseline (reference)   
AAO −22.30 −26.77, −17.83 <0.001
Flesch-Kincaid Grade Level BOS Baseline (reference)   
AAO 3.80 2.74, 4.86 <0.001
SMOG index BOS Baseline (reference)   
AAO 2.60 1.82, 3.38 <0.001