Table 1 Demographics and Metal and Biomarker concentrations by Tampon Use
From: Tampon use, environmental chemicals and oxidative stress in the BioCycle study
|  | Tampon Users (n = 158) | Non-Tampon Users (n = 97) |
|---|---|---|
Demographics | ||
 Race/ethnicity (%) | ||
  White | 79. | 26.88 |
  Black | 8.55 | 39.78 |
  Other | 11.84 | 33.33 |
 Education (%) | ||
   < High school | 10.53 | 17.20 |
   > High school | 89.47 | 82.80 |
 Marital Status (%) | ||
  Ever Married | 31.58 | 18.28 |
  Single | 68.42 | 81.72 |
 Smoking status (%) | ||
  Yes | 5.26 | 1.08 |
  No | 94.74 | 98.92 |
 Birth Control Use (%) | ||
  Yes | 62.00 | 40.86 |
  No | 38.00 | 59.14 |
 Parous (%) | 31.54 | 20.65 |
 Nulliparous (%) | 68.46 | 79.35 |
 Physical Activity (%) | ||
  Low | 5.26 | 13.98 |
  Medium | 30.26 | 46.24 |
  High | 64.47 | 39.78 |
 Age [years (mean (SD))] | 27.87 (8.66) | 27.16 (7.73) |
 BMI [(kg/m2 (mean (SD))] | 23.91 (3.63) | 24.43 (4.27) |
Metal Concentrations | ||
 Cadmium [μg/L (GM (SD))]a | 0.26 (1.90) | 0.33 (1.90) |
 Lead [μg/dL (GM (SD))]a | 0.85 (1.53) | 1.01 (1.62) |
 Mercury [μg/L (GM (SD))]a | 1.08 (2.75) | 1.01 (2.47) |
Biomarker Concentrations | ||
 TBARS [nmol/mL (GM (SD))]b | 0.85 (1.27) | 0.85 (1.25) |
 PON1A [μmol/min/L (GM (SD))]b | 113.12 (1.24) | 111.39 (1.22) |
 PON1P [μmol/min/L (GM (SD))]b | 179.35 (1.84) | 212.90 (1.83) |
 Isoprostane [pg/mL (GM (SD))]b | 47.80 (1.37) | 46.11 (1.45) |
 CRP [mg/L (GM (SD))]b | 1.32 (6.48) | 3.17 (13.60) |