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Table 3 Characteristics among women by circulating plasma adiponectin (N = 2,329)

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 = 408) Q2(n = 554) Q3(n = 652) Q4(n = 715) P-valueb
Age (years), mean ± stdc 51.94 ± 12.17 52.55 ± 11.85 55.08 ± 12.74 57.10 ± 12.93 <.0001
Annual household income,%      
Less than $19,999 36.03 30.32 29.75 33.85  
$20,000 - 49,999 37.01 39.89 43.56 35.80  
$50,000 or more 26.96 29.78 26.69 30.35 .05
Hypertensive, % 61.03 61.01 62.27 63.50 .78
Systolic blood pressure (mmHg) , mean ± std 124.48 ± 18.47 123.63 ± 15.85 126.02 ± 18.89 128.26 ± 18.82 <.0001
Diastolic blood pressure (mmHg), mean ± std 76.97 ± 9.56 77.50 ± 10.06 77.55 ± 9.70 77.65 ± 10.54 .73
Type 2 Diabetic, % 22.30 16.25 13.96 14.69 .0002
Current Smoker,% 13.73 10.65 9.51 9.09 .08
Physical activity score, mean ± std 8.52 ± 2.45 8.49 ± 2.45 8.20 ± 2.50 8.21 ± 2.60 .04
Alcohol consumption, % 40.20 43.32 38.96 38.32 .30
BMId (kg/m2), mean ± std 34.63 ± 7.37 34.01 ± 6.81 32.80 ± 7.65 30.94 ± 7.70 <.0001
Fasting insulin (uU/mL), mean ± std 26.69 ± 17.56 21.05 ± 20.03 17.42 ± 11.78 13.88 ± 10.30 <.0001
LDLe Cholesterol (mg/dL), mean ± std 124.67 ± 36.56 126.47 ± 36.39 124.91 ± 35.04 124.33 ± 36.76 .76
HDLf Cholesterol (mg/dL), mean ± std 48.01 ± 11.89 51.49 ± 11.73 55.65 ± 13.15 61.53 ± 15.90 <.0001
Total Cholesterol (mg/dL), mean ± std 5.03 ± 1.00 5.10 ± 1.01 5.12 ± 0.98 5.20 ± 1.04 .04
HOMA-IRg, mean ± std 5.28 ± 2.91 4.28 ± 2.45 3.65 ± 2.37 2.73 ± 1.40 <.0001
Fasting Glucose (mg/dL), mean ± std 103.64 ± 31.30 100.78 ± 31.50 97.22 ± 28.14 96.84 ± 32.31 .0008
CRPh (mg/dL),mean ± std 0.73 ± 0.91 0.72 ± 0.95 0.61 ± 0.85 0.40 ± 0.63 <.0001
Plasma leptin (ng/mL), mean ± std 38.64 ± 19.28 40.18 ± 20.66 37.90 ± 23.81 34.43 ± 26.47 .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.