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Table 1 General characteristics of sample population

From: The association between high-sensitivity C-reactive protein and metabolic risk factors in black and white South African women: a cross-sectional study

Variables Black women (n = 194) White women (n = 153) p-value
Age (years) 24 (21–30) 31 (24–38) < 0.0001
Anthropometry
 Height (m) 1.6 ± 0.1 1.7 ± 0.1 < 0.0001
 Weight (cm) 74.9 (58.9–90.6) 69.3 (61.0–85.1) 0.5368
 BMI (kg/m2) 30.4 (23.0–36.0) 24.5 (21.7–30.8) 0.0003
 WC (cm) 86.5 (74.0–103.5) 85.0 (77.0–96.0) 0.6503
Blood pressure
 Systolic blood pressure (mmHg) 101.5 (101.5–118.0) 102.5 (102.5–116.0) 0.523
 Diastolic blood pressure (mmHg) 68.0 (68.0–80.5) 67.5 (67.5–81.5) 0.6211
SES factors
Education (%)    < 0.0001
 Have not completed high school 43.3 3.3  
 Completed high school 39.7 18.3  
 Tertiary education 17 78.4  
Housing density (persons/room) 1.0 (0.6–1.5) 0.4 (0.3–0.6) < 0.0001
Asset index (amenities/house) 7.0 (5.0–10.0) 12.0 (11.0–14.0) < 0.0001
Lifestyle factors
Smoking status (%)    < 0.0001
 Current smoker 7.2 15.7  
 Ex-smoker 2.6 15.7  
 Non-smoker 90.2 68.6  
Alcohol use (%)    < 0.0001
 Non-drinker 70.7 20.5  
 Moderate drinker 16 46.6  
 Heavy drinker 13.3 32.9  
Physical activity (%)    < 0.0001
 Insufficiently active (< 150 min/week) 64.7 84  
 Sufficiently active (≥150 min/week) 35.3 16  
Contraceptive use (%)    < 0.0001
 None 68.6 68.6  
 Oral 4.6 25.5  
 Injection 26.8 5.9  
  1. Data presented as mean ± SD and median (interquartile range) or percentages. BMI body mass index, WC waist circumference, HOMA-IR homeostasis model of insulin resistance, TC total cholesterol, TG triglycerides, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, hsCRP high sensitivity C-reactive protein