Table 2.

Correlations of log-transformed delay discounting variables across 2 phases of a mobile-based, ecological momentary assessment study assessing the validity of a novel delay discounting tool between 2020 and 2021 (N=97).

Variables		Phase 1 MCQa	Phase 1 time-selection delay discounting variable	Phase 1 monetary-selection delay discounting variable	Phase 2 MCQ	Phase 2 time-selection delay discounting variable	Phase 2 monetary-selection delay discounting variable
Phase 1 MCQ
	r	1	0.76	0.57	0.51	0.45	0.22
	P value	—b	<.001	<.001	<.001	<.001	.03
Phase 1 time-selection delay discounting variable
	r	0.76	1	0.66	0.65	0.71	0.38
	P value	<.001	—	<.001	<.001	<.001	<.001
Phase 1 monetary-selection delay discounting variable
	r	0.57	0.66	1	0.42	0.49	0.42
	P value	<.001	<.001	—	<.001	<.001	<.001
Phase 2 MCQ
	r	0.51	0.65	0.42	1	0.72	0.50
	P value	<.001	<.001	<.001	—	<.001	<.001
Phase 2 time-selection delay discounting variable
	r	0.45	0.71	0.49	0.72	1	0.41
	P value	<.001	<.001	<.001	<.001	—	<.001
Phase 2 monetary-selection delay discounting variable
	r	0.22	0.38	0.42	0.50	0.41	1
	P value	.03	<.001	<.001	<.001	<.001	—

^aMCQ: Monetary Choice Questionnaire.

^bNot available.