Table 4.

Intra-cluster correlation coefficients (ICCs) for continuous outcomes for included patients from THIN database

Outcome	ICC from unadjusted model (SE)	ICC from adjusted model (SE)
Clinical measures
HbA1c (%)	0.032 (0.003)	0.032 (0.003)
Systolic blood pressure (mmHg)	0.031 (0.003)	0.029 (0.002)
Diastolic blood pressure (mmHg)	0.039 (0.003)	0.039 (0.003)
BMI (kg/m2)	0.020 (0.002)	0.022 (0.002)
Total cholesterol (mmol/L)	0.020 (0.002)	0.018 (0.002)
HDL cholesterol (mmol/L)	0.021 (0.002)	0.020 (0.002)

BMI body mass index, HbA1c glycosylated haemoglobin, HDL high-density lipoprotein, SE standard error