Table 4.

Mixed-effects logistic regression model.

fixed
coefficient	b (log odds)	95% CI	z	p
intercept	−2.63	[−3.78, −1.49]	4.51	<0.001
cost	−0.42	[−2.03, 1.19]	0.51	0.61
benefit	2.15	[0.55, 3.75]	2.64	0.008
cost × benefit	0.21	[−2.04, 2.45]	0.18	0.86
random
group	term	s.d.
participants	intercepts	1.06
	cost	1.36
	benefit	0.78
	cost × benefit	0.69
item	intercepts	1.69