Table 5 Factors associated with data accuracy (probability modelled is accurate data point = yes)
PredictorAge < 5 years
ORs (95% CI)
p-valueAge ≥ 5 years
ORs (95% CI)
p-value
Total sample size50,615*22,100*
Null model (Level 1)0.81590.5575
ICC19.9%14.5%
Patient level
Age in years0.85 (0.81–0.89)<0.011.11 (1.08–1.13)<0.01
Sex (ref = M)1.00 (0.87–1.16)0.981.08 (0.92–1.27)0.37
Physician level
Years on EMR0.97 (0.96–0.98)<0.011.01 (0.99–1.04)0.32
Practice level
Patient volume (for every 5000 patients)1.08 (1.05–1.11)<0.011.08 (1.02–1.13)<0.01
Proportion pediatric patients (0–19)0.95 (0.94–0.96)<0.011.00 (0.92–1.27)0.99
  • * The generalised linear mixed model (GLMM) did not converge using the full sample. A random sample of 10,000 patients was selected