Mind wandering increases linearly with text difficulty

Table 3 Overview of results from mixed-level linear models

Model	Term	Est	95% CI	Z	p	OR
1	Intercept	− 0.51	[− 0.70, − 0.32]	− 5.20	<0 .001	0.60
	Text difficulty (linear)	0.25	[0.14, 0.36]	4.51	< 0.001	1.29
	Text difficulty (quadratic)	0.02	[− 0.07, 0.11]	0.39	0.698	1.02
2	Intercept	− 0.66	[− 0.88, − 0.43]	− 5.71	< 0.001	0.52
	Text difficulty (linear)	− 0.00	[− 0.13, 0.12]	− 0.06	0.956	1.00
	Text difficulty (quadratic)	− 0.03	[− 0.13, 0.07]	− 0.56	0.576	0.97
	Text interest	− 0.85	[− 1.05, − 0.65]	− 8.19	< 0.001	0.43
	Text difficulty (quadratic) × text interest	− 0.07	[− 0.15, 0.02]	− 1.57	0.117	0.93
3	Intercept	− 0.61	[− 0.86, − 0.36]	− 4.78	0.000	0.54
	Text difficulty (linear)	0.07	[− 0.08, 0.21]	0.93	0.354	1.07
	Text difficulty (quadratic)	0.02	[− 0.09, 0.13]	0.41	0.684	1.02
	Text interest	− 0.89	[− 1.11, − 0.67]	− 7.91	< 0.001	0.41
	Text difficulty (linear) × text interest	0.15	[0.02, 0.29]	2.23	0.026	1.16