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. 2016 Oct 10;11(10):e0164481. doi: 10.1371/journal.pone.0164481

Table 1. Diabetes prevalence rates and diabetes risk factors in China (2011–2012): 45+ years old.

China (%)
Diabetes prevalence
 Diagnosed 5.8 (5.3, 6.3)
 Measured 14.7 (14.0, 15.4)
 Total diagnosed 17.0 (16.3, 17.7)
 Undiagnosed 11.3 (10.6, 12.0)
Individual characteristics
 Age, mean 59.2
 Male 45.7 (44.7, 46.7)
 Married 87.7 (87.1, 88.3)
Behavioural health
 Smoking
  Non-smoker 61.4 (60.4, 62.4)
  Past smoker 8.7 (8.2, 9.2)
  Current smoker 29.9 (28.9, 30.9)
 Alcohol consumptiona
  Abstainer 67.6 (66.7, 68.5)
  Current drinker (>0 but ≤1) 7.8 (7.3, 8.3)
  Current drinker (>1) 24.5 (23.7, 25.3)
 BMI category
  Under/normal weight 48.3 (47.3, 49.3)
  Overweight 37.7 (36.7, 38.7)
  Obesity 14.0 (13.4, 14.6)
 Waist Circumference
  Normal waist circumference 48.7 (47.7, 49.7)
  Central obesity 51.3 (50.3, 52.3)
Socioeconomic gradient
 Education
  Illiterate 28.9 (28.0, 29.8)
  Primary 41.5 (40.5, 42.5)
  Secondary 28.3 (27.4, 29.2)
  College and above 1.3 (1.1, 1.5)
 Adjusted household incomeb
  First tercile 33.4 (32.4, 34.4)
  Second tercile 35.3 (34.3, 36.3)
  Third tercile 31.4 (30.4, 32.4)
Medical system
 Not contact with medical system 72.0 (71.1, 72.9)
 Contact with medical system 28.0 (27.1, 28.9)
Blood pressurec
 Normotension 59.2 (58.2, 60.2)
 Hypertension 40.8 (39.9, 41.7)
Urban/rural settings
 Rural area 65.0 (64.1, 65.9)
 Urban area 35.0 (34.0, 36.0)
N 9,513

BMI body mass index

a Drinking episodes per month.

b First tertile (low income), second tertile (middle income) and third tertile (high income).

c Hypertensive, if either they self-reported to be hypertensive and/or had a blood pressure value above the diagnostic threshold, which is SBP ≥ 140 mmHg and/or DBP ≥ 90 mmHg.