Table 3.
Characteristics among women by circulating plasma adiponectin (N = 2,329)
| Plasma Adiponectin(ug/mL) a | |||||
|---|---|---|---|---|---|
| Q1(n = 408) | Q2(n = 554) | Q3(n = 652) | Q4(n = 715) | P -value b | |
| 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 |
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.
bOne-way ANOVA for continuous variables and chi-square for categorical variables; significance established as P < .05.
cstd = standard deviation.
dBMI = body mass index.
eLDL = low-density lipoprotein.
fHDL = high-density lipoprotein.
gHOMA-IR = homoeostasis model assessment – insulin resistance.
hCRP = C-reactive protein.