Table 4.

Effect size estimates and p- values for the general linear model which was fitted to the temporal summation data. * p ≤ 0.05; ** p ≤ 0.01; *** p ≤ 0.001

	temporal summation early response (lnmV.s)	S.E.	Conf Int 2.5%	Conf Int 97.5%	p-value	Temporal summation late response (lnmV.s)	S.E.	Conf Int 2.5%	Conf Int 97.5%	p-value
intercept	-4.900	0.341	-5.569	-4.231	<0.001***	-7.142	0.700	-8.513	-5.771	<0.001*
weight	-0.040	0.012	-0.064	-0.017	0.001**	0.017	0.015	-0.012	0.046	0.246
OA						-0.722	0.348	-1.404	-0.040	0.038*
OANSAID						-0.254	0.362	-0.964	0.456	0.483
Occasion 2	-0.022	0.019	-0.059	0.016	0.265	-0.058	0.026	-0.109	-0.007	0.026*
Occasion 3	-0.048	0.019	-0.086	-0.010	0.013*	-0.120	0.026	-0.171	-0.069	<0.001***
Stimulus number	1.084	0.145	0.800	1.369	<0.001***	2.401	0.373	1.670	3.132	<0.001***
Stimulus number²	-0.243	0.036	-0.314	-0.171	<0.001***	-0.474	0.094	-0.658	-0.291	<0.001***
Stimulus number³	0.016	0.003	0.011	0.021	<0.001***	0.030	0.007	0.016	0.043	<0.001***
weight.Stimulus number	-0.014	0.005	-0.024	-0.003	0.009**	-0.037	0.008	-0.053	-0.022	<0.001***
weight.Stimulus number²	0.004	0.001	0.001	0.006	0.006**	0.008	0.002	0.004	0.012	<0.001***
weight.Stimulus number³	0.000	0.000	0.000	0.000	0.009**	-0.001	0.000	-0.001	0.000	<0.001***
OA.Stimulus number			-	-	-	0.805	0.186	0.442	1.169	<0.001***
OANSAID.Stimulus number			-	-	-	0.540	0.193	0.161	0.919	0.005**
OA.Stimulus number²			-	-	-	-0.160	0.047	-0.251	-0.069	0.001**
OANSAID.Stimulus number²			-	-	-	-0.100	0.048	-0.195	-0.005	0.039*
OA.Stimulus number^3			-	-	-	0.010	0.003	0.004	0.017	0.003**
OANSAID.Stimulus number^3			-	-	-	0.006	0.004	-0.001	0.013	0.079
age			-	-	-	0.088	0.067	-0.043	0.218	0.187
age.Stimulus number			-	-	-	-0.121	0.036	-0.190	-0.051	0.001**
age.Stimulus number²			-	-	-	0.024	0.009	0.007	0.042	0.006**
age.Stimulus number³			-	-	-	-0.002	0.001	-0.003	0.000	0.016*