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. 2012 Jul 20;10:83. doi: 10.1186/1477-7525-10-83

Table 6.

Scale properties of the MacNew questionnaire for our modified factor structure

Scale Number of Items Missing values(%) Mean SD Min Max Floor effect(%) Ceiling effect(%) Cronbach’s α
Emotional
 10
 4.7
 4.37
 1.28
 1
 7
 2.0
 5.7
 0.92
Participation
 4
 4.5
 3.77
 1.49
 1
 7
 7.8
 5.0
 0.73
Perception of others
 2
 6.4
 5.80
 1.31
 1
 7
 0.8
 34.4
 0.69
Symptoms
 4
 3.2
 4.59
 1.29
 1
 7
 1.1
 8.1
 0.72
Global 20 6.9 4.44 1.12 1 7 0.5 3.8 0.93