. Author manuscript; available in PMC: 2021 Mar 10.

Published in final edited form as: Int J Behav Med. 2018 Aug;25(4):448–455. doi: 10.1007/s12529-018-9732-1

Table 4.

Sensitivity, specificity, and Youden Index Score for different SF-36 subscale combinations

Subscale combination	Number required	Ages 18–29 (total sample) (N = 370)
Subscale combination	Number required	Sensitivity	Specificity	YI
Original Jason et al. (2011) substantial reduction criteria: Role Physical ≤ 50, Social Functioning ≤ 62.5, Vitality ≤ 35	1 of 3	0.980	0.798	0.777
	2 of 3	0.959	0.938	0.897
	3 of 3	0.827	1.000	0.827
Three highest performing scales and cutoffs from the present study: Physical Functioning ≤ 80, General Health ≤ 47, Role Physical ≤ 25	1 of 3	0.969	0.952	0.922
	2 of 3	0.959	0.982	0.941
	3 of 3	0.898	1.000	0.898
Four highest performing scales from the present study: Physical Functioning ≤ 80, General Health ≤ 47, Role Physical ≤ 25, Social Functioning ≤ 50	1 of 4	0.969	0.904	0.874
	2 of 4	0.969	0.967	0.936
	3 of 4	0.949	0.993	0.942
	4 of 4	0.816	1.000	0.816