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Table 5 Variables associated with glycemic control by multivariate logistic regression

From: Control and complications of diabetes in urban primary care units in Thailand: a cross-sectional study

Covariate

Comparison group

Reduced model

Full model

ORadj

(95% CI)

p-value

ORadj

(95% CI)

p-value

Gender

men vs. women

deleted

-

-

1.03

(0.62, 1.71)

0.906

Age (years)

50–65 vs. < 50

0.51

(0.23, 1.13)

0.095

0.50

(0.22, 1.15)

0.104

 > 65 vs. < 50

0.25

(0.14, 0.55)

 < 0.001***

0.23

(0.10, 0.52)

 < 0.001***

BMI (kg/m2)

overweight vs. normal

2.54

(1.58, 4.08)

 < 0.001***

2.65

(1.63, 4.31)

 < 0.001***

obese vs. normal

1.71

(1.05, 2.89)

0.045**

1.78

(1.03, 3.08)

0.038**

Duration of disease (years)

 > 6 vs. ≤ 6

1.83

(1.20, 2.79)

0.005***

1.91

(1.22, 2.99)

0.005***

NC (cm)

 

deleted

-

-

1.02

(0.96, 1.08)

0.514

WC (cm)

over vs normal

deleted

-

-

1.44

(0.56, 3.69)

0.451

SBP (mmHg)

 ≥ 140 vs. < 140

deleted

-

-

0.92

(0.41, 2.07)

0.836

DSP (mmHg)

 ≥ 90 vs. < 90

deleted

-

-

1.99

(0.33, 2.15)

0.456

Diabetes and hypertension

yes vs. no

deleted

-

-

0.92

(0.42, 2.04)

0.845

Underlying diseases

1 underlying disease vs. DM only

deleted

-

-

1.32

(0.49, 3.57)

0.587

underlying disease more than 2 vs. DM only

deleted

-

-

1.46

(0.49, 4.32)

0.492

DR (> 12 months)

yes vs. no

deleted

-

-

0.69

(0.43, 1.11)

0.127

DN (> 12 months)

yes vs. no

deleted

-

-

0.63

(0.10, 3.93)

0.623

TC (mmol/l)

 ≥ 5.2 vs. < 5.2

deleted

-

-

1.19

(0.62, 2.31)

0.602

TG (mmol/l)

 ≥ 1.7 vs. < 1.7

1.81

(1.25, 2.78)

0.019**

1.66

(1.09, 2.69)

0.037**

HDL-C (mmol/l)

 < 1 vs. ≥ 1

1.16

(0.68, 1.97)

0.587

0.91

(0.53, 1.57)

0.738

LDL-C (mmol/l)

 ≥ 2.6 vs. < 2.6

1.55

(1.04, 2.28)

0.039**

1.31

(0.98, 2.22)

0.007

ACEI or ARBs

yes vs. no

deleted

-

-

1.01

(0.60, 1.70)

0.957

Treatment (drug use)

no drug use vs. 1–3

deleted

-

-

0.99

(0.05, 2.52)

0.993

no drug use vs. 4–5

deleted

-

-

1.05

(0.05, 3.00)

0.974

no drug use vs. more than 6

deleted

-

-

0.78

(0.04, 1.75)

0.875

Quality of care indicators

 TOC-target indicators

yes vs. no

0.69

(0.43, 0.89)

0.034**

0.62

(0.21, 0.82)

0.022**

 POC-process indicators

yes vs. no

deleted

-

-

0.45

(0.39, 0.51)

0.433

Constant

1.28

(0.57, 2.90)

0.554

2.16

(0.06, 4.22)

0.680

 Hosmer–Lemeshow goodness of fit test

chi-square = 6.74, p = 0.257

chi-square = 4.32, p = 0.899

 LR test

-239.889

-229.685

 AIC

301.254

431.155

 BIC

453.551

577.003

 Pseudo-R2

0.311

0.261

 Overall Percentage

81.31

77.03%

  1. *** p-value < 0.001, ** < 0.05; The association between variables and glycemic control are analyzed by using multivariate logistic regression; OR Odd ratio, CI Confidence interval, WC Waist circumference, NC Neck circumference, SBP Systolic blood pressure, DBP Diastolic blood pressure, DN Diabetic nephropathy, DR Diabetic retinopathy, BMI Body mass index, TC Total cholesterol, TG Triglyceride, HDL-C High-density lipoprotein, LDL-C Low-density lipoprotein, ACEI Angiotensin-converting enzyme inhibitor, ARB Angiotensin receptor blockers, LR-test Log likelihood ratio test, AIC Akaike’s information criterion, BIC Bayesian information criterion