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Table 3 Preliminary multivariate mixed-effects model for abdominal pain severity with age as predictor and significant covariates simultaneously entered (n = 131; observations = 4890)

From: Abdominal pain during the menopause transition and early postmenopause: observations from the Seattle Midlife Women’s Health Study

 

Beta Coefficient a

Standard Error/Standard Deviation

P-value

Fixed effects

 β1 Intercept

0.18

0.03

<  0.001

 β2 Age (−47.6) years

−0.01

0.003

< 0.001

 β3 Perceived Stress

−0.01

0.007

0.040

 β4 Urinary Estrone (Log 10)

−0.03

0.02

0.090

 β5 Urinary Testosterone (Log 10)

−0.02

0.01

0.080

 β6 Tension

0.002

0.01

0.830

 β7 Anxiety

0.06

0.01

< 0.001

Random effects

 b1 Intercept σ1

 

0.26

 

 b2 Age (−47.6) years σ2

 

0.01

 

 b3 Residual σ3

 

0.35

 
  1. a The beta coefficient is a measure of the change in abdominal pain severity for every one unit of change in each respective predictor variable