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Table 3 Functionality of the rating scale

From: Rasch analysis holds no brief for the use of the Dermatology Life Quality Index (DLQI) in Chinese neurodermatitis patients

Scale category

Frequency (%)

Average category measure

Outfit MnSq

Not at all/ Not relevant

573 (39)

−2.33

1.1

A little

539 (37)

−1.11

0.9

A lot

222 (15)

0.30

0.7

Very much

126 (9)

1.17

1.2