Table 3 Mendelian Randomization Estimates of the Effect of puberty timing (year) on adult sleep duration (category).

From: Age of puberty and Sleep duration: Observational and Mendelian randomization study

 

Puberty timing

SNPs

Average F statistic

Mendelian Randomization Method

β

95% Confidence Interval

I2 (p-value for heterogeneity)

MR-Egger intercept (p-value)

Outliers from MR PRESSO

Women

Age of menarche

203 (P < 5 × 10−8)

73.2

IVW with random-effects

0.020

0.006, 0.034

46.0% (<0.0001)

0.0001 (0.95)

rs9972653 rs35935052

WM

0.021

0.003, 0.040

MR Egger

0.020

−0.018, 0.058

Corrected MR PRESSO

0.017

0.003, 0.030

Tanner stage

2 (P < 5 × 10−6)

26

IVW with random-effects

0.008

−0.035, 0.051

82.9% (0.02)

NA

NA

Men

Age of voice breaking

4 (P < 5 × 10−8)

84.5

IVW with random-effects

0.015

−0.035, 0.064

57.2% (0.06)

0.10 (0.425)

NA

WM

0.003

−0.034, 0.04

MR Egger

−0.086

−0.338, 0.166

Corrected MR PRESSO

0.015

−0.035, 0.064

Tanner stage

1 (P < 5 × 10−6)

25

Wald ratio method

0.005

−0.037, 0.048

NA

NA

NA

  1. IVW: Inverse Variance Weighting
  2. WM: Weighted median method
  3. MR-PRESSO: Mendelian randomization pleiotropy residual sum and outlier
  4. Bold font: Statistical significance.