. Author manuscript; available in PMC: 2022 Feb 23.

Published in final edited form as: J Huntingtons Dis. 2021;10(4):485–492. doi: 10.3233/JHD-210488

Table 2.

Variable	Estimate	95% Confidence Interval	p-value

Intercept	28.77	(28.63, 28.91)	< 0.001
Age	0.048	(0.039, 0.057)	< 0.001
Age²	−0.0037	(−0.0045, −0.0029)	< 0.001
Sex	0.69	(0.61, 0.77)	< 0.001
Group	−3.50	(−3.66, −3.34)	< 0.001
Age*Group	−0.020	(−0.0079, −0.032)	0.024
Age²*Group	0.0030	(0.0021, 0.0039)	< 0.001
Spline	−0.16	(−0.18, −0.14)	< 0.001