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Table 2 Characteristics among men and women stratified by annual household income (N = 4340)

From: Association of adiponectin and socioeconomic status in African American men and women: the Jackson heart study

  Annual household income
  ≤$19,999 $20,000–$49,999 ≥$50,000 P-value
Men (n = 1604)
Age (years), mean ± std 57.56 ± 15.25 54.25 ± 13.09 51.87 ± 11.33 <.0001
Health Behavior
Current smoker, % 27.16 18.64 12.77 <.0001
Physical activity score, mean ± std 7.51 ± 2.77 8.64 ± 2.54 9.30 ± 2.39 <.0001
Alcohol consumption, % 52.99 57.97 65.21 .0003
BMI (kg/m2), mean ± std 29.05 ± 6.97 29.93 ± 6.33 30.13 ± 5.75 .02
Health Status
Hypertension, % 67.37 62.36 54.61 .0002
SBP (mmHg), mean ± std 129.87 ± 20.61 129.00 ± 17.72 126.13 ± 16.32 .0012
DBP(mmHg), mean ± std 79.42 ± 10.88 81.68 ± 10.89 82.20 ± 10.02 .0003
Type 2 diabetes, % 18.90 20.95 10.12 <.0001
LDL cholesterol (mg/dL), mean ± std 122.67 ± 37.74 128.51 ± 38.93 131.59 ± 33.83 .001
HDL cholesterol (mg/dL), mean ± std 48.32 ± 14.46 45.79 ± 12.27 45.05 ± 11.48 .0006
Triglyceride (mg/dl), mean ± std 107.90 ± 68.29 117.06 ± 75.47 114.69 ± 106.62 .03
HOMA-IR, mean ± std 3.16 ± 2.03 3.53 ± 3.02 3.49 ± 2.03 .10
CRP (mg/dL), mean ± std 0.52 ± 1.95 0.39 ± 0.67 0.29 ± 0.52 .003
Women (n = 2736)
Age (years), mean ± std 58.67 ± 14.01 54.25 ± 11.91 51.80 ± 10.61 <.0001
Health Behavior
Current smoker, % 15.25 10.21 6.62 <.0001
Physical activity score, mean ± std 7.59 ± 2.69 8.31 ± 2.51 9.04 ± 2.25 <.0001
Alcohol consumption, % 31.33 37.12 53.76 <.0001
BMI (kg/m2), mean ± std 33.49 ± 8.30 33.13 ± 7.58 31.92 ± 6.71 <.0001
Health Status
Hypertension, % 72.19 64.11 53.26 <.0001
SBP (mmHg), mean ± std 129.88 ± 20.03 125.78 ± 17.82 122.46 ± 16.26 <.0001
DBP(mmHg) 76.83 ± 10.72 77.69 ± 10.08 77.19 ± 9.39 .16
Type 2 diabetes, % 25.88 17.37 13.47 <.0001
LDL cholesterol (mg/dL), mean ± std 126.47 ± 37.80 126.03 ± 35.89 123.69 ± 34.72 .26
HDL cholesterol (mg/dL), mean ± std 55.19 ± 15.19 55.32 ± 14.62 55.00 ± 13.93 .90
Triglyceride (mg/dl), mean ± std 105.42 ± 65.37 99.85 ± 58.84 95.12 ± 55.81 .003
HOMA-IR, mean ± std 3.87 ± 2.28 3.84 ± 2.60 3.63 ± 2.40 .14
CRP (mg/dL), mean ± std 0.64 ± 0.95 0.60 ± 0.79 0.53 ± 0.75 .02
  1. Abbreviations: std standard deviation, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, LDL low-density lipoprotein, HDL high-density lipoprotein, HOMA-IR homoeostasis model assessment-insulin resistance, CRP C-reactive protein