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Table 1 Characteristics of the studied subjects according to blood glucose levels in Ha Nam province, 2011

From: Prevalence and correlates of hyperglycemia in a rural population, Vietnam: implications from a cross–sectional study

Variables Total (n= 2,710) NGT (n= 2,199) IFG (n= 248) IGT (n= 120) IFG−IGT (n= 43) Diabetes (n= 100)
Age (year)† 51 (46–56) 51 (46–56) 52 (47–58)** 53 (48–58)** 54 (46–57) 54 (49–60)***
SBP (mmHg)† 115 (100–130) 110 (100–128) 120 (110–136)*** 120 (110–138)*** 110 (100–140) 124 (110–140)***
DBP (mmHg)† 70 (65–80) 70 (65–80) 80 (70–81)*** 80 (70–90)*** 70 (60–80) 80 (70–88)***
Height (cm) 155.7 ± 7.0 155.6 ± 6.9 155.9 ± 6.8 154.9 ± 7.6 154.0 ± 6.8 156.9 ± 7.3
Weight (kg) 51.8 ± 8.0 51.5 ± 7.8 51.6 ± 7.9 53.3 ± 8.8 52.8 ± 7.4 55.8 ± 10.4***
BMI (kg/m2)       
Men 21.3 ± 2.7 21.1 ± 2.6 21.4 ± 2.8 22.8 ± 2.8** 22.9 ± 2.0* 22.4 ± 3.4*
Women 21.4 ± 2.7 21.3 ± 2.6 21.0 ± 2.5 21.7 ± 2.5 21.9 ± 2.4 22.7 ± 3.5***
Body fat (%)       
Men 21.8 ± 5.4 21.5 ± 5.4 22.4 ± 5.2 24.4 ± 4.6** 23.3 ± 3.8 23.4 ± 6.2
Women 30.0 ± 4.6 29.9 ± 4.6 29.6 ± 4.5 31.4 ± 4.3* 31.2 ± 3.4 33.1 ± 4.5***
WC (cm) 74.4 ± 7.8 73.9 ± 7.6 74.5 ± 7.9 77.1 ± 8.6** 75.3 ± 6.5 79.8 ± 9.5***
HC (cm) 87.9 ± 5.6 87.9 ± 5.5 87.5 ± 5.9 88.8 ± 6.0 88.4 ± 4.7 90.3 ± 6.3***
WHR       
Men 0.86 ± 0.06 0.86 ± 0.06 0.88 ± 0.10 0.89 ± 0.06** 0.88 ± 0.03 0.90 ± 0.07**
Women 0.84 ± 0.06 0.83 ± 0.06 0.84 ± 0.06 0.85 ± 0.06* 0.84 ± 0.05 0.87 ± 0.06***
  1. NGT, normal glucose tolerance; IFG, isolated impaired fasting glucose; IGT, isolated impaired glucose tolerance; BMI, body mass index; WC, waist circumference; HC, hip circumference; WHR, waist–hip ratio; SBP, systolic blood pressure; DBP, diastolic blood pressure.
  2. Data are mean ± SD unless otherwise indicated. †Data are median (intequartile range).
  3. * P < 0.05, ** P < 0.01, *** P < 0.001: NGT group vs. hyperglycemia groups by Student–T test or one–way ANOVA test or Mann–Whitney U test.