Table 6 Single and multilevel logistic regression model summaries for high HbA1c (HbA1c > 7.5%).

Significance (LRT)

***

***

***

***

***

High HbA1c

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Intercept

0.07 (0.06–0.08)

0.12 (0.12–0.12)

0.07 (0.06–0.07)

0.08 (0.08–0.09)

0.05 (0.04–0.05)

Sex

Female

Reference

–

–

Male

1.37 (1.31–1.43)

1.38 (1.32–1.45)

1.39 (1.32–1.45)

Age

18–29

Reference

–

–

30–39

0.81 (0.68–0.96)

0.81 (0.68–0.96)

0.81 (0.68–0.96)

40–49

1.22 (1.06–1.42)

1.24 (1.07–1.44)

1.26 (1.08–1.46)

50–59

1.53 (1.34–1.77)

1.56 (1.36–1.80)

1.57 (1.36–1.81)

60–69

1.61 (1.40–1.85)

1.64 (1.43–1.88)

1.64 (1.43–1.88)

70–79

1.63 (1.42–1.87)

1.64 (1.42–1.88)

1.62 (1.41–1.86)

80 + 

1.64 (1.43–1.90)

1.63 (1.41–1.88)

1.60 (1.39–1.85)

IRSD

Q-5

Reference

–

Q-4

0.08 (0.08–0.09)

1.15 (1.04–1.28)

Q-3

1.14 (1.03–1.27)

1.39 (1.26–1.54)

Q-2

1.40 (1.27–1.54)

1.55 (1.41–1.71)

Most D Q-1

1.54 (1.40–1.69)

2.02 (1.84–2.22)

AIC

49,897

50,114.5

49,690.2

49,875.3

49,453.3

Variance

0.103

0.106

0.047

0.049

PCV

–

+ 3.02%

− 54.82%

− 51.91%

ICC (%)

3.0

3.1

1.4

1.5

MOR

1.36

1.36

1.23

1.24

AUC

0.56

0.63

0.64

0.61

0.63

AUC change†

+ 0.08

Proportional variance explained by IRSD: 53.31%