Table 1.
Mean scores on POS in relation to the type of disability.
Table 2.
Comparison of mean group results on the POS.
(I−J)Std. errorpIntellectual disabilityHearing impairment−17.42.1<.001Physical disability−12.22.8<.001Visual impairment−20.42.5<.001Hearing impairmentPhysical disability5.32.9.28Visual impairment−2.92.7.69Physical disabilityVisual impairment−8.23.3.068
