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. 2010 Feb;19(2):209–218. doi: 10.1089/jwh.2009.1388

Table 2.

Random Effects Models for Sexual Desire with Age as Predictor (β2) and with Individual Covariates (β3)a

 
Mean valuesb(p values)
Standard deviationsc
Number
Predictor β1b β2b β3** σ1*** σ2*** σɛ*** Women Observations
Age (47.3) 1.26 0.02 (0.04) 0.87 0.09 0.69 286 6617
Health-related factors                
 Perceived health 0.42 (<0.0001) 0.02 (0.04) 0.21 (<0.0001) 0.860 0.093 0.674 286 6617
 If smokes 1.28 (<0.0001) 0.01 (0.05) −0.16 (0.03) 0.87 0.09 0.69 286 6617
 Amount of exercise 1.20 (<0.0001) 0.01 (0.05) 0.002 (<0.0001) 0.87 0.09 0.69 286 6617
 Amount of alcohol 1.20 (<0.0001) 0.01 (0.05) 0.10 (<0.0001) 0.86 0.09 0.69 286 6617
Menopausal transition factors                
 MT stage 1.31 (<0.0001) 0.03 (0.0001)   0.87 0.08 0.69 286 6617
  Early     0.02 (0.54)          
  Late     −0.13 (0.01)          
  Early PM     −0.42 (<0.0001)          
 Estrone glucuronide (log10) (1.3) 1.55 (<0.0001) −0.03 (0.003) 0.21 (<0.0001) 0.92 0.09 0.62 130 4718
 FSH (log10) (1.1) 1.54 (<0.0001) −0.03 (0.002) −0.06 (0.006) 0.93 0.09 0.62 130 4751
 Testosterone (log10) (1.2) 1.52 (<0.0001) −0.04 (0.001) 0.15 (0.0002) 0.92 0.09 0.63 130 4754
 HRT use 1.23 (<0.0001) 0.01 (0.10) 0.10 (0.02) 0.85 0.09 0.69 312 7566
Social opportunity factors                
 If partnered 1.34 (<0.0001) 0.02 (0.04) −0.12 (0.008) 0.87 0.09 0.69 286 6617
 Years of education 0.77 (0.01) 0.02 (0.04) 0.03 (0.12) 0.87 0.09 0.69 286 6617
 If parent 1.23 (<0.0001) 0.01 (0.04) 0.03 (0.72) 0.87 0.09 0.69 286 6617
 Employment 1.28 (<0.0001) 0.02 (0.04) −0.02 (0.75) 0.87 0.09 0.69 286 6617
Stress-related factors                
 Perceived stress 1.50 (<0.0001) 0.01 (0.12) −0.10 (<0.0001) 0.88 0.09 0.69 286 6617
 History of sexual abuse 1.23 (<0.0001) 0.02 (0.02) 0.21 (0.09) 0.89 0.09 0.69 231 6415
Symptoms                
 Hot flashes 1.27 (<0.0001) 0.02 (0.01) −0.05 (0.0002) 0.87 0.09 0.69 286 6612
 Fatigue 1.46 (<0.0001) 0.02 (0.03) −0.17 (<0.0001) 0.88 0.09 0.68 286 6617
 Depressed mood 1.34 (<0.0001) 0.02 (0.03) −0.20 (<0.0001) 0.90 0.10 0.66 286 5992
 Anxiety 1.34 (<0.0001) 0.02 (0.02) −0.10 (<0.0001) 0.89 0.09 0.69 286 6458
 Problem getting to sleep 1.31 (<0.0001) 0.02 (0.02) −0.13 (<0.0001) 0.89 0.09 0.69 286 6458
 Awakening during the night 1.30 (<0.0001) 0.02 (0.01) −0.06 (<0.0001) 0.88 0.09 0.69 286 6458
 Early morning awakening 1.28 (<0.0001) 0.02 (0.02) −0.03 (0.03) 0.88 0.09 0.69 286 6458
 Vaginal dryness 1.26 (<0.0001) 0.02 (0.03) −0.03 (0.20) 0.87 0.09 0.69 286 6617
a

Occasions on which selected medications were used were omitted from the analyses. Androgen use occasions were excluded from all analyses. Occasions when medications could affect symptoms, such as sleep, hot flashes, and mood, were excluded from these analyses.

b

β1, β2, β3 are the fixed effects (group averages) for the intercept, slope, and covariate.

c

σ1, σ2, σɛ are the random effects (variability) for the intercept, slope and residual error.