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. 2014 Jun 20;15:211. doi: 10.1186/1471-2474-15-211

Table 5.

Floor and ceiling effects and the smallest detectable change in the WOSI

N = 138
Absolute floor
Absolute ceiling
SDC
SDC- range from
% of patients scoring within SDC -range
WOSI       Floor Ceiling Floor Ceiling
total
No
No
23.0
0-23
77-100
17%
5%
Domain
 
 
 
 
 
 
 
physical
No
No
23.1
0-23.1
76.9-100
3%
26%
sp/rec/wrk
No
No
26.0
0-26
74.0-100
23%
20%
lifestyle
No
No
24.4
0-24.4
74.6-100
9%
25%
emotion No No 28.1 0-28.1 71.9-100 41% 10%

From left to right are presented; absolute floor and ceiling scores. The smallest detectable change (SDC) with its ranges, and the percentage of scores that fell within the SDC-range for both extremes. Scores are presented for the total WOSI score and all WOSI subdomains.