Psychometric properties of the simplified Chinese version of the observer OPTION5 scale

BMC Primary Care

Table 5 Item frequencies and median score of Rater 2

Item	No effort (%)(0)	Minimal effort (%)(1)	Moderate effort (%)(2)	Skilled effort (%)(3)	Exemplary effort (%)(4)	Median (Range)
Item 1	0 (0)^a/ 0 (0)^b	78 (37.3)^a/ 85 (40.7)^b	111 (53.1)^a/ 103 (49.3)^b	20 (9.6)^a/ 21 (10.0)^b	0 (0)^a/ 0 (0)^b	2 (1 ~ 2)^a/ 2 (1 ~ 2)^b
Item 2	71 (34.0)^a/ 77 (36.8)^b	116 (55.5)^a/ 103 (49.3)^b	21 (10.0)^a/ 26 (12.4)^b	1 (0.5)^a/ 3 (1.4)^b	0 (0)^a/ 0 (0)^b	1 (0 ~ 1)^a/ 1 (0 ~ 1)^b
Item 3	3 (1.4)^a/ 2 (1.0)^b	68 (32.5)^a/ 57 (27.3)^b	92 (44.0)^a/ 94 (45.0)^b	46 (22.0)^a/ 56 (26.8)^b	0 (0)^a/ 0 (0)^b	2 (1 ~ 2)^a/ 2 (1 ~ 3)^b
Item 4	16 (7.7)^a/ 9 (4.3)^b	149 (71.3)^a/ 144 (68.9)^b	44 (21.1)^a/ 55 (26.3)^b	0 (0)^a/ 1 (0.5)^b	0 (0)^a/ 0 (0)^b	1 (1 ~ 1)^a/ 1 (1 ~ 2)^b
Item 5	39 (18.7)^a/ 12 (5.7)^b	142 (67.9)^a/ 142 (67.9)^b	27 (12.9)^a/ 54 (25.8)^b	1 (0.5)^a/ 1 (0.5)^b	0 (0)^a/ 0 (0)^b	1 (1 ~ 1)^a/ 1 (1 ~ 2)^b
Total score*						30 (25 ~ 40)^a/ 30 (25 ~ 45)^b

^a first rating; ^b second rating, one month after the first rating; *rescaled to a total score of 0 to 100

ISSN: 2731-4553