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Table 2 Characteristics among men by circulating plasma adiponectin (N = 1,334)

From: Association of adiponectin with type 2 diabetes and hypertension in African American men and women: the Jackson Heart Study

  Plasma Adiponectin (ug/mL)a
  Q1(n = 518) Q2(n = 357) Q3(n = 271) Q4(n = 188) P–valueb
Age (years), mean ± stdc 51.07 ± 11.76 53.27 ± 13.04 54.76 ± 13.10 58.28 ± 14.61 <.0001
Annual household income,%      
Less than $19,999 13.51 21.01 22.88 30.85  
$20,000 - 49,999 32.82 33.33 33.58 31.38  
$50,000 or more 53.67 45.66 43.54 37.77 <.0001
Hypertensive, % 55.98 56.30 57.93 64.89 .18
Systolic blood pressure (mmHg) , mean ± std 126.43 ± 15.88 127.32 ± 18.41 126.87 ± 17.25 133.64 ± 22.81 <.0001
Diastolic blood pressure (mmHg), mean ± std 82.57 ± 10.02 81.44 ± 10.39 80.59 ± 10.35 80.80 ± 11.20 .04
Type 2 Diabetic, % 12.93 11.48 11.44 15.43 .54
Current Smoker,% 15.06 16.81 16.97 19.68 .53
Physical activity score, mean ± std 8.98 ± 2.49 8.80 ± 2.67 8.77 ± 2.51 8.21 ± 2.75 .007
Alcohol consumption, % 64.67 59.38 61.99 57.45 .24
BMId (kg/m2), mean ± std 31.06 ± 6.21 29.85 ± 6.14 29.38 ± 6.17 26.76 ± 5.51 <.0001
Fasting insulin (uU/mL), mean ± std 20.71 ± 44.12 15.77 ± 11.06 14.65 ± 9.99 13.31 ± 30.31 .006
LDLe Cholesterol (mg/dL), mean ± std 131.27 ± 37.67 128.19 ± 36.35 128.50 ± 34.80 121.19 ± 35.63 .01
HDLf Cholesterol (mg/dL), mean ± std 42.13 ± 10.24 44.43 ± 10.30 48.45 ± 11.32 56.21 ± 16.79 <.0001
Total Cholesterol (mg/dL), mean ± std 5.09 ± 1.04 4.97 ± 1.00 5.03 ± 0.95 4.97 ± 0.97 .31
HOMA-IRg, mean ± std 4.17 ± 2.97 3.28 ± 1.89 3.06 ± 1.97 2.30 ± 1.39 <.0001
Fasting Glucose (mg/dL), mean ± std 102.24 ± 33.53 100.01 ± 36.59 96.52 ± 25.07 94.34 ± 20.08 .009
CRPh (mg/dL),mean ± std 0.43 ± 1.59 0.36 ± 0.63 0.32 ± 0.49 0.30 ± 0.65 .40
Plasma leptin (ng/mL), mean ± std 12.28 ± 10.77 11.06 ± 9.47 11.90 ± 12.57 7.82 ± 8.38 <.0001
  1. aAdiponectin in quartiles (Q = quartile): 1) Q1 = ≤2.70 ug/mL, 2) Q2 = >2.70 – ≤4.2 ug/mL, 3)Q3 = >4.2 – ≤6.7 ug/mL, 4) Q4 > 6.7 ug/mL.
  2. bOne-way ANOVA for continuous variables and chi-square for categorical variables; significance established as P < .05.
  3. cstd = standard deviation.
  4. dBMI = body mass index.
  5. eLDL = low-density lipoprotein.
  6. fHDL = high-density lipoprotein.
  7. gHOMA-IR = homoeostasis model assessment – insulin resistance.
  8. hCRP = C-reactive protein.