Table 3.

Generalized Estimating Equation Analysis of Phenotypes by Parenting Stress Group and CGG Repeats: Testing joint null hypotheses that both interaction terms are not different from zero.

	BMI (kg/m2)	# health symptoms	Limitations in physical activities	Limitations in climbing several flights of stairs
Parental age	−.07 (.02)**	.00 (.01)	.02 (.00)***	.02 (.00)***
Education (in years)	−.23 (.03)***	−.10 (.02)***	−.03 (.00)***	−.04 (.00)***
Gender (female=1)	−1.04 (.17)***	.20 (.11)+	.01 (.02)	.10 (.02)***
Parenting stress group (comparison group=0)	.43 (.27)	.77 (.17)***	.05 (.03)	.09 (.03)**
CGG repeats- linear	.01 (.01)	.01 (.01)	.00 (.00)	.002 (.002)
CGG repeats- squared	−.002 (.001)*	−.002 (.001)*	−.00 (.00)	−.00 (.00)
CGG repeats- linear X parenting stress group	−.02 (.04)	−.05 (.03)	−.011 (.005)*	−.011 (.005)*
CGG repeats- squared X parenting stress group	.007 (.003)*	.005 (.002)**	.0006 (.0003)*	.0008 (.0004)*
Test: both interactions are zero (2df joint test)	Chi-sq=7.52* P=0.023	Chi-sq=7.73* P=0.021	Chi-sq=6.18* P=0.045	Chi-sq=6.67* P=0.036
	limitations in cognitive functioning	depression	anxiety	age (yrs) at menopause
Parental age	.02 (.00)***	−.06 (.031)	−.10 (.03)**	−.03 (.03)
Education (in years)	−.06 (.01)***	−.28 (.04)***	−.18 (.04)***	.19 (.06)***
Gender (female=1)	−.12 (.03)***	.86 (.21)***	1.09 (.22)***	--
Parenting stress group (comparison group=0)	.08 (.05)	0.84 (.36)*	1.02 (.37)**	−.45 (.41)
CGG repeats- linear	−.00 (.00)	−.01 (.02)	−.01 (.02)	.02 (.02)
CGG repeats- squared	−.00 (.00)	−.00 (.00)	−.00 (.00)	−.004 (.002)*
CGG repeats- linear X parenting stress group	−.01 (.01)	-	-	-
CGG repeats- squared X parenting stress group	.0012 (.0006)*	-	-	-
Test: both interactions are zero (2df joint test)	Chi-sq=4.76+ P=0.093	Chi-sq=3.28 P=0.194	Chi-sq=2.48 P=.290	Chi-sq=1.71 P=.426

^aCGG repeat length was Winsorized at 60, and centered at 30.

^*p < .05

^**p < .01

^***p < .001