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Table 3 Random effects models for depressed mood severity with age as predictor (β2) and with individual covariates (β3)

From: Depressed mood during the menopausal transition: is it reproductive aging or is it life?

  Mean Values (p values) Standard Deviations Number
Predictor β1 a β2 a β3 a σ1 b σ2 b σε b Women Observations
Age (47.7) 0.51 <0.001 (0.84) 0.49 0.03 0.60 291 6977
Menopausal Transition Factors
 MT-stage 0.52 (<.001) 0.005 (0.25)   0.49 0.03 0.60 291 6977
  Early 0.02 (0.56)
  Late −0.006 (0.88)
  Early PM −0.10 (0.05)
 Estrone (1.3) 0.62 (<.001) −0.01 (0.04) −0.03 (0.32) 0.50 0.04 0.60 131 4908
 FSH (1.1) 0.58 (<.001) −0.01 (0.04) −0.02 (0.23) 0.50 0.04 .060 131 4996
Health-related factors
 BMI (26.0) 0.37 (<.001) <0.001 (0.97) 0.005 (0.20) 0.49 0.03 0.60 291 6977
 If drinks alcohol 0.51 (<.001) <0.001 (0.84) −0.001 (0.97) 0.49 0.03 0.60 291 6977
 Amount of exercise 0.54 (<.001) 0.001 (0.69) −0.001 (<.001) 0.49 0.03 0.60 291 6977
Social factors
 If partnered 0.58 (<.001) <0.001 (0.87) −0.11 (0.002) 0.49 0.03 0.60 291 6977
 Number of live births 0.51 (<.001) <0.001 (0.83) −0.002 (0.93) 0.49 0.03 0.60 291 6977
Stress
 Perceived Stress 0.06 (0.10) 0.008 (0.02) 0.18 (<.001) 0.47 0.03 0.58 291 6977
 History of sexual abuse 0.42 (<.001) <0.001 (0.82) 0.25 (<.001) 0.47 0.03 0.60 234 6766
Symptoms
 Hot flashes 0.50 (<.001) <0.001 (0.88) 0.003 (0.78) 0.49 0.03 0.60 291 6977
 Problem getting to sleep 0.42 (<.001) −0.0003 (0.91) 0.24 (<.001) 0.44 0.03 0.59 291 6977
 Early awakening 0.44 (<.001) −0.003 (0.41) 0.13 (<.001) 0.47 0.03 0.59 291 6977
 Awaken at Night 0.43 (<.001) −0.002 (0.50) 0.11 (<.001) 0.47 .03 0.59 291 6977
  1. aβ1, β2, β3 are the fixed effects (group averages) for the intercept, slope and covariate
  2. bσ1, σ2, σε are the random effects (variability) for the intercept, slope and residual error