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Table 3 Associations between vitamin D status and the metabolic syndrome in employees of a private Lebanese university

From: The relationship between hypovitaminosis D and metabolic syndrome: a cross sectional study among employees of a private university in Lebanon

Vitamin D Status as defined by the Institute of Medicine (Inadequate: <  20 ng/mL; Adequate: ≥ 20 ng/mL)
  Total (n = 268)a Men (n = 142) Women (n = 126)
Vitamin D Status Adequate Inadequate P value Adequate Inadequate P value Adequate Inadequate P value
  mean ± SD or n(%)   mean ± SD or n(%)   mean ± SD or n(%)  
MetS1 status    0.010    0.174    0.021
 No 135 (66.5%) 68 (33.5%)   60 (65.2%) 32 (34.8%)   75 (67.6%) 36 (32.4%)  
 Yes 31 (47.7%) 34 (52.3%)   26 (52.0) 24 (48.0%)   5 (33.3%) 10 (66.7%)  
Waist circumference risky (cm)    0.139    0.606    0.153
 No2 90 (66.7%) 45 (33.3%)   45 (63.4%) 26 (36.6%)   45 (70.3%) 19 (29.7%)  
 Yes 76 (57.1%) 57 (42.9%)   41 (57.7%) 30 (42.3%)   35 (56.5%) 27 (43.5%)  
Blood pressure (mmHg)    0.269    0.949    0.097
 Healthy 133 (63.9%) 75 (36.1%)   57 (61.3%) 36 (38.7%)   76 (66.1%) 39 (33.9%)  
 Unhealthy3 33 (55.0%) 27 (45.0%)   29 (59.2%) 20 (40.8%)   4 (36.4%) 7 (63.6%)  
Fasting blood glucose (mg/dL)    0.675    0.725    1
 Normal 135 (62.8%) 80 (37.2%)   62 (62.0%) 38 (38.0%)   73 (63.5%) 42 (36.5%)  
 Impaired4 31 (58.5%) 22 (41.5%)   24 (57.1%) 18 (42.9%)   7 (63.6%) 4 (36.4%)  
TG levels (mg/dL)    0.014    0.093    0.078
 Normal TG levels 120 (67.4%) 58 (32.6%)   49 (68.1%) 23 (31.9%)   71 (67.0%) 35 (33.0%)  
 Hypertriglyceridemia5 46 (51.1%) 44 (48.9%)   37 (52.9%) 33 (47.1%)   9 (45.0%) 11 (55.0%)  
HDL (mg/dL)    0.146    0.782    0.074
 Normal 130 (64.7%) 71 (35.3%)   63 (61.8%) 39 (38.2%)   67 (67.7%) 32 (32.3%)  
 Low6 36 (53.7%) 31 (46.3%)   23(57.5%) 17 (42.5%)   13 (48.1%) 14 (51.9%)  
  1. aSample excluded participants taking vitamin D supplements (n = 76)
  2. 1Metabolic Syndrome defined according the NCEP-ATP III [63]
  3. 2WC < 88 cm for women or < 102 cm for men [27]
  4. 3blood pressure ≥ 130/ 85 mmHg [63]
  5. 4fasting blood glucose ≥100 mg/dL [63]
  6. 5triglycerides level ≥ 150 mg/dL [63]
  7. 6HDL cholesterol levels< 40 mg/dL in men or < 50 mg/ dL in women [63]