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Table 2 General characteristics of study participants

From: Which insulin resistance-based definition of metabolic syndrome has superior diagnostic value in detection of poor health-related quality of life? Cross-sectional findings from Tehran Lipid and Glucose Study

 

All (n = 742)

Men (n = 246)

Women (n = 496)

P-value

Age (y)

49.78 (13.25)

51.25 (14.13)

49.06 (12.75)

0.04

Education (%)

   

<0.001

Primary

358 (49.1)

80 (33.2)

278 (57.0)

 

Secondary

265 (36.4)

104 (43.2)

161 (33.0)

 

Higher

106 (14.5)

57 (23.7)

49 (10.0)

 

Marital status (%)

   

<0.001

Married

632 (85.2)

226 (91.9)

406 (81.9)

 

Single/Widowed/Divorced

110 (14.8)

20 (8.1)

90 (18.1)

 

Smoking (%)

   

<0.001

Current

46 (6.3)

41 (17.0)

5 (1.0)

 

Ex/Never

680 (93.7)

200 (83.0)

480 (99.0)

 

MET-h/wk

22.1 (7.7–58.1)

23.3 (7.9–63.1)

20.3 (7.6–57.5)

0.80

WHR

0.9 (0.1)

1.0 (0.1)

0.9 (0.1)

<0.001

WC (cm)

95.3 (11.6)

98.1 (10.2)

93.9 (12.0)

<0.001

BMI (kg/m2)

29.1 (4.7)

27.8 (4.4)

29.7 (4.8)

<0.001

TG (mmol/L)

1.8 (1.3–2.5)

1.9 (1.3–2.7)

1.8 (1.2–2.4)

0.10

Total cholesterol (mmol/L)

5.2 (1.0)

5.1 (0.9)

5.3 (1.0)

<0.001

HDL-C (mmol/L)

1.1 (0.3)

1.0 (0.2)

1.1 (0.3)

<0.001

LDL-C (mmol/L)

3.3 (0.8)

3.2 (0.8)

3.3 (0.9)

0.11

FBS (mmol/L)

5.7 (1.9)

5.8 (1.8)

5.7 (2.0)

0.32

BS2hr (mmol/L)

6.5 (2.7)

6.2 (2.5)

6.6 (2.8)

0.07

SBP (mmHg)

120.2 (19.0)

124.0 (16.7)

118.3 (19.8)

<0.001

DBP (mmHg)

75.1 (10.1)

77.0 (10.0)

74.2 (10.1)

<0.001

Menopause (%)

-

-

165 (34.3)

-

Pre-diabetes (%)

150 (20.7)

51 (21.2)

99 (20.5)

0.80

Metabolic Syndrome (%)

    

 WHO

302 (41.8)

107 (44.2)

195 (40.6)

0.36

aEGIR

149 (25.6)

49 (25.8)

100 (25.5)

0.94

aAACE

179 (30.7)

62 (33.2)

117 (29.5)

0.37

  1. Data represented as mean (SD) for continuous variables with normal distribution and median (25 percentile-75 percentile) for continuous variables with non-normal distribution or n (%) for categorically distributed variables
  2. P-values according to independent sample t-test, χ2-test and Mann–Whitney test between genders
  3. BMI, body mass index; WC, waist circumference; IGT, impaired glucose tolerance; IFG, impaired fasting glucose; HDL, high density lipoprotein; WHR, waist to hip ratio; WHO, World Health Organization; EGIR, European Group for the study of Insulin Resistance; AACE, American Association of Clinical Endocrinology
  4. a The number of study participants for EGIR and AACE definitions is 590