Predictor variables | Non-adjusted | Adjusted* | ||||
Mean difference in HbA1c (SE) | 95% CI | P value | Mean difference in HbA1c (SE) | 95% CI | P value | |
Categories of diabetes and multimorbidities | ||||||
Diabetes present and no chronic conditions (reference) | ||||||
Diabetes present and one chronic condition | −0.01 (0.02) | −0.05 to 0.04 | 0.757 | −0.01 (0.02) | −0.05 to 0.04 | 0.685 |
Diabetes present and two chronic conditions | −0.02 (0.02) | −0.07 to 0.02 | 0.348 | −0.02 (0.02) | −0.06 to 0.02 | 0.341 |
Diabetes present and three chronic conditions | −0.01 (0.02) | −0.06 to 0.03 | 0.549 | 0.00 (0.02) | −0.04 to 0.04 | 0.968 |
Diabetes present and four or more chronic conditions | 0.00 (0.02) | −0.04 to 0.04 | 0.912 | −0.01 (0.02) | −0.04 to 0.03 | 0.731 |
Categories of diabetes and concordant conditions | ||||||
Diabetes present and no chronic conditions (reference) | ||||||
Diabetes present and one concordant condition | 0.01 (0.01) | −0.02 to 0.03 | 0.701 | 0.00 (0.01) | −0.02 to 0.03 | 0.799 |
Diabetes present and two concordant conditions | 0.02 (0.02) | −0.01 to 0.05 | 0.250 | 0.02 (0.02) | −0.01 to 0.05 | 0.150 |
Diabetes present and three concordant conditions | 0.00 (0.02) | −0.04 to 0.05 | 0.947 | −0.01 (0.02) | −0.05 to 0.03 | 0.556 |
Diabetes present and four or more concordant conditions | 0.05 (0.03) | −0.01 to 0.10 | 0.100 | 0.04 (0.03) | −0.02 to 0.09 | 0.175 |
Categories of diabetes and discordant conditions | ||||||
Diabetes present and no chronic conditions (reference) | ||||||
Diabetes present and one discordant condition | −0.03 (0.02) | −0.06 to 0.01 | 0.159 | −0.03 (0.02) | −0.06 to 0.01 | 0.099 |
Diabetes present and two discordant conditions | −0.03 (0.02) | −0.07 to 0.00 | 0.077 | −0.02 (0.02) | −0.06 to 0.01 | 0.223 |
Diabetes present and three discordant conditions | −0.01 (0.02) | −0.05 to 0.03 | 0.622 | −0.01 (0.02) | −0.05 to 0.02 | 0.508 |
Diabetes present and four or more discordant conditions | 0.00 (0.02) | −0.03 to 0.04 | 0.838 | 0.00 (0.02) | −0.03 to 0.03 | 0.886 |
*Adjusting for age, sex, SEIFA, smoking status, and number of diabetes medication. All co-variates were treated as fixed effects and the general practice as a random effect to allow for the correlation of HbA1c within each practice.
HbA1c, glycated haemoglobin; SEIFA, Socio-Economic Indexes for Areas.