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Table 1 Background variables (n = 308)

From: Developing a risk score for undiagnosed prediabetes or type 2 diabetes among Saharawi refugees in Algeria

  Non-cases: (HbA1c < 39 mmol/mol) (n = 266) Cases (HbA1c ≥ 39 mmol/mol)
(n = 42)
P-value
HbA1c (mmol/mol), median (min, max) 34.4 (23.5, 38.8) 42.1 (39.9, 118.6) <0.001a
Men, n (%) 142 (90.4) 15 (9.6)  
Women, n (%) 124 (82.1) 27 (17.9) 0.03b
Age, median (min, max) 35 (18, 90) 52 (18, 76) <0.001a
Age groups
 < 45 years, n (%) 174 (65.4) 13 (31.0)  
 ≥ 45 and < 60 years, n (%) 46 (17.3) 16 (38.1)  
 ≥ 60, n (%) 46 (17.3) 13 (31.0) <0.001b
 Married, n (%) 144 (54.1) 29 (69.0) 0.07b
Educational level
 None, n (%) 71 (26.7) 21 (50.0)  
 < 6th grade, n (%) 58 (21.8) 11 (26.2)  
 7–9th grade, n (%) 83 (31.2) 3 (7.1)  
 10–12th grade, n (%) 41 (15.2) 5 (11.9)  
 Higher education 13 (4.9) 2 (4.8) <0.01b
 Currently working, n (%) 170 (63.9) 30 (71.4) 0.34b
 BMIc, median (min, max) 23.3 (15.7, 42.7) 29.5 (18.1, 47.8) <0.001a
BMI categories
 Lower than 25 kg/m2, n (%) 160 (63.5) 7 (17.1)  
 25-30 kg/m2, n (%) 57 (21.4) 16 (39.0)  
 Higher than 30 kg/m2, n (%) 40 (15.0) 18 (43.9) <0.001b
Waist circumference, median (min, max)
 Women 89.0 (60.9, 130.0) 100.0 (80.0, 118.0) <0.001
 Men 78.0 (62.5, 117.0) 94 (57.6, 112.0) 0.01
Waist circumference categoriesd
 W: < 80 cm or M: < 94 cm, n (%) 158 (59.4) 6 (14.3)  
 W: ≤ 88 cm or M: ≤ 102 cm, n (%) 40 (15.0) 8 (19.0)  
 W: > 88 cm or M: > 102 cm, n (%) 68 (25.6) 28 (66.7) <0.001b
PAe30 minutes per day, n (%) 129 (48.7) 15 (37.5) 0.18b
Daily consumption of FVf, n (%) 91 (34.2) 13 (31.0) 0.70b
Medication for high blood pressure, n (%) 23 (8.6) 4 (9.5) 0.91b
First degree relativegdiagnosed with diabetes, n (%) 44 (16.8) 11 (26.2) 0.14b
  1. a Mann-Whitney test for difference between medians
  2. b Chi square or Fischer exact test
  3. c BMI: Body mass index
  4. d Waist circumference categories proposed by WHO [19], W: Women; M: Men
  5. e PA: Physical activity at any level of intensity
  6. f FV: Fruits and vegetables
  7. g Parent, sibling, or child