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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Am J Med Genet B Neuropsychiatr Genet. 2017 Apr 13;174(4):399–412. doi: 10.1002/ajmg.b.32529

Table 4.

Test of Differential Susceptibility: Adjusteda Means of Dependent Variables by CGG Repeat Length Groups and Parenting Stress Groupsb,c.

Plots of
interactions:
CGG length X
parenting stress
graphic file with name nihms-845734-t0007.jpg 		Low/High
CGG repeats		 Normal
CGG repeats		 Interaction
Coefficient
Parents of
children
with
disabilities		 Comparison Parents of
children
with
disabilities		 Comparison
BMI graphic file with name nihms-845734-t0008.jpg 29.8
[28.8, 30.7]		 28.2
[27.8, 28.6]		 29.1
[28.5, 29.6]		 28.6
[28.4, 28.8]		 1.13+
[−0.52, 2.31]
# health
symptoms		 graphic file with name nihms-845734-t0009.jpg 6.25
[4.78, 6.87]		 4.67
[4.43, 4.90]		 5.68
[5.36, 6.00]		 4.90
[4.78,5.03]		 0.80*
[0.06, 1.54]
Limitations
in physical
activities		 graphic file with name nihms-845734-t0010.jpg 1.58
[1.47, 1.69]		 1.39
[1.35, 1.43]		 1.48
[1.42, 1.54]		 1.43
[1.41, 1.45]		 0.13*
[.0.001, 0.26]
Limitations in
climbing
several
flights of
stairs		 graphic file with name nihms-845734-t0011.jpg 1.84
[1.72, 1.96]		 1.57
[1.53, 1.62]		 1.71
[1.65, 1.78]		 1.63
[1.61, 1.66]		 0.19*
[0.04, 0.33]
Limitations
in cognitive
functioning		 graphic file with name nihms-845734-t0012.jpg 2.11
[1.78, 1.85]		 1.75
[1.68, 1.83]		 1.87
[1.78, 1.97]		 1.82
[1.78, 1.85]		 .29*
[0.06, 0.52]

Note

a

Means are adjusted for age, sex, and years of education

b

95% confidence intervals are presented in the brackets

c

Parenting stress group is defined as normal (24-41 CGGs) vs. low/high (<24 CGGs and > 41 CGGs)