Table 3.

Estimated coefficients of the PSS-model.

Predictors	Estimate	Std. Error	CI	P
(Intercept)	41.12	5.36	30.61 to 51.62	<0.001
Condition	64.12	9.18	46.13 to 82.111	<0.001
Flow	12.21	5.79	0.86 to 23.57	0.035
Prepost	6.84	5.52	−3.98 to 17.65	0.215
Prepost * Flow	−21.31	7.28	−35.58 to −7.05	0.003
Random Effects
Var: subject (Intercept)	153.05
Var: subject Condition	1427.08
Cov: subject (Intercept) Condition	373.90
σ2	2053.72
Num. obs.	276
Num. groups: subject	27

CI, 95% Confidence Interval; Flow, Mean-centered Values.