Table 3.

Estimated changes in salivary overall average estradiol concentration (pmol/L) with 95% CI by 1 SD increase in serum lipids according to BMI category

Serum lipidsMean ± SDBMI < 23.6 (kg/m2)BMI ≥ 23.6 (kg/m2)P for interaction
LDL-C, mmol/l2.52 ± 0.71−0.3 (−1.9, 1.3)*1.7 (−0.5, 3.9)*1.5 (−0.6, 3.7)0.13
HDL-C, mmol/l1.54 ± 0.330.6 (−1.0, 2.2)*−2.4 (−4.5,−0.3)*−2.0 (−4.2, 0.3)0.03
Total/HDL-cholesterol ratio3.00 ± 0.81−0.3 (−2.4, 1.8)*2.3 (0.4, 4.3)*2.0 (−0.1, 4.0)0.08
LDL/HDL-cholesterol ratio1.74 ± 0.70−0.5 (−2.5, 1.5)*2.4 (0.4, 4.4)*2.1 (0.1, 4.1)0.05
  • NOTE: The Norwegian EBBA study (n = 203). Age-adjusted linear regression analysis.

  • The conversion factor from pmol/L to pg/mL is 0.272 for estradiol. The conversion factor from mmol/L to mg/dL is 38.7 for HDL-C.

  • * Adjusted for age.

  • Adjusted for age, BMI (continuous scale).