. Author manuscript; available in PMC: 2022 Apr 1.

Published in final edited form as: West J Nurs Res. 2020 Jul 17;43(4):364–373. doi: 10.1177/0193945920942252

Table 2.

Psychometrics for the DSI Scale (N=686)

Version	Sample	Mean	Cronbach's	Concurrent Validity (Correlation Coefficients)						MID
	Size	(SD)	Alpha	MP at its least	MP at its worst	MP on average	MP right now	Perceived Stress	Sleep Disturbance	0.35 SD	1 SEM

On Menses¹	260	2.9 (1.3)	0.93	0.53^**	0.66^**	0.58^**	0.63^**	0.14^*	0.18^*	0.36	0.27
Off Menses¹	426	2.8 (1.2)	0.91	0.43^**	0.52^**	0.53^**	--	0.31^**	0.12^*	0.32	0.27

Time 1 measure was used.

<.05

^**

<.001.

MP: Menstrual Pain; MID: minimally important difference; SD: Standard Deviation; SEM: Standard Error of Measurement