Table 4.

Random Effects Models for Hot flash Severity with Age as Predictor (β₂) and with Individual Covariates (β₃)

	Mean Values (p values)		Standard Deviations Number
Predictor	β1*	β2*	β3*	σ1**	σ2**	σε**	Women	Observations
Age (47.6)	0.36	0.05 (<.001)	-	0.37	0.05	0.60	291	6973
Health-related factors
BMI (26.0)	0.36 (<.001)	0.05 (<.001)	0.06 (.08)	0.37	0.05	0.60	291	6973
If smokes	0.36 (<.001)	0.05 (<.001)	0.05 (0.34)	0.37	0.05	0.60	291	6973
If drinks alcohol	0.39 (<.001)	0.05 (<.001)	−0.03 (0.39)	0.37	0.05	0.60	291	6973
Amount of exercise	0.36 (<.001)	0.05 (<.001)	0.0002 (0.32)	0.37	0.05	0.60	291	6973
Menopausal Transition Factors
MT-stage	0.19 (<.001)	0.01 (0.02)		0.36	0.05	0.58	291	6973
Early			0.02 (0.40)
Late			0.41 (<.001)
Early PM			0.84 (<.001)
Age onset Late Stage	1.92 (0.005)	0.06 (<0.001)	−0.03 (0.03)	0.40	0.05	0.63	127	4922
Age onset FMP	0.81 (0.26)	0.07 (<.001)	−0.008 (0.55)	0.34	0.05	0.66	110	4516
Stress factors
Perceived Stress	0.35 (<.001)	0.05 (<.001)	0.005 (0.53)	0.37	0.05	0.60	291	6973
Cortisol (1.5)	0.36 (<.001)	0.08 (<.001)	−0.06 (0.01)	0.44	0.09	0.59	130	4891
Anxiety	0.35 (<.001)	0.05 (<.001)	0.03 (0.03)	0.37	0.05	0.60	291	6973

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

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