Table 3.

Bivariate results from a random intercept Linear Mixed Model comparing mean Hgb A1c levels

	Difference in mean Hgb A1c (95% CI)	P-value
Income (Quintile)
• Lowest income (Q1) (Reference)	---	---
• Low income (Q2)	-0.00 (-0.04 to 0.03)	0.9
• Mid income (Q3)	-0.03 (-0.06 to 0.003)	0.07
• High income (Q4)	-0.04 (-0.08 to 0.01)	0.01
• Highest income (Q5)	-0.04 (-0.07 to 0.01)	0.005
Material deprivation (Quintile)
• Most deprived (Q5) (Reference)	---	---
• Deprived (Q4)	-0.05 (-0.09 to 0.01)	0.008
• Neutral (Q3)	-0.03 (-0.07 to 0.01)	0.1
• Less deprived (Q2)	-0.05 (-0.09 to 0.01)	0.005
• Least deprived (Q1)	-0.05 (-0.09 to 0.02)	0.003
Social deprivation (Quintile)
• Most deprived (Q5) (Reference)	---	---
• Deprived (Q4)	0.03 (-0.001 to 0.06)	0.06
• Neutral (Q3)	0.02 (-0.01to 0.05)	0.3
• Less deprived (Q2)	0.00 (-0.03 to 0.04)	0.8
• Least deprived (Q1)	0.02 (-0.01 to 0.06)	0.2
Combined material and social deprivation (Quintile)
• Most deprived (Q5) (Reference)	---	---
• Deprived (Q4)	-0.01(-0.05 to 0.02)	0.5
• Neutral (Q3)	-0.02 (-0.06 to 0.02)	0.3
• Less deprived (Q2)	-0.02 (-0.06 to 0.02)	0.3
• Least deprived (Q1)	-0.02 (-0.06 to 0.01)	0.2
LDL*	0.02 (0.01 to 0.03)	0.0002
HDL*	-0.07 (-0.09 to 0.05)	<0.0001
Triglycerides*	0.04 (0.03 to 0.05)	<0.0001
Obese†	0.07 (0.04 to 0.09)	<0.0001
BMI‡	0.01 (0.004 to 0.01)	<0.0001
SBP **	0.00 (0.001 to 0.003)	<0.0001
DBP **	0.00 (0.01 to 0.002)	0.0005
FBG*	0.14 (0.12 to 0.16)	<0.0001
FBG 6–6.9	0.17 (0.13 to 0.01)	<0.0001
Age§	0.01 (0.005 to 0.008)	<0.0001
Male	-0.02 (-0.04 to -0.01)	0.04
Family History of Diabetes	0.03 (0.002 to 0.05)	0.03

LDL—low density lipoprotein, HDL – high density lipoprotein, FBG—fasting blood glucose, BMI – body mass index, SBP—systolic blood pressure, DBP—diastolic blood pressure, Q1—first quintile, Q2—second quintile, Q3—third quintile, Q4—fourth quintile, Q5—fifth quintile.

* for each additional 1 mmol/L.

† BMI 30 or more.

** mmHg.

‡ for each additional 1 unit.

§ for each additional year.