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Table 4 Heritability estimates of breathing-related sleep disorder indices in a case of Model1 and Model2

From: Genetic influences on the onset of obstructive sleep apnoea and daytime sleepiness: a twin study

  h2 (SE) c2 (SE) e2 (SE)
AHI 0.73 (0.08)*** 0 0.27
AI 0.55 (0.13)*** 0 0.45
ESS 0.34 (0.38)* 0.31 (0.36) 0.66
MinSatO2 0.96 (0.01)*** 0 0.04
ODI 0.83 (0.05)*** 0 0.17
OSA 0.73 (0.15)*** 0 0.27
RDI 0.69 (0.09)*** 0 0.31
RespAI 0.75 (0.16)* 0 0.25
TST 0 0.25 (0.14)* 0.75
TST90 0.97 (0.008)*** 0 0.03
  1. *p < 0.2, ***p < 0.001
  2. Model 1 for age and sex, Model 2 for age, sex and BMI are adjusted
  3. h2: heritability estimates; c2: proportion of variance explained by common environments; SE: standard error, e2: proportion of variance explained by unique environments
  4. Model-2 results did not change after additional adjustment for BMI besides age and sex