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Table 3 Rasch analysis of MREALD-30

From: Cross-cultural adaptation and validation of Malay version of Rapid Estimate of Adult Literacy in Dentistry (MREALD-30) among Orang Asli population in Malaysia

  Item mean Outfit MNSQ Outfit ZSTD Infit MNSQ Infit ZSTD
Temporomandibular 0.32 1.32 0.62 1.10 0.52
Hypoplasia 0.34 0.51 − 0.15 0.76 − 1.38
Plaque 0.40 1.35 0.61 0.85 − 1.04
Braces 0.47 1.54 0.80 1.39 2.30
Cellulitis 0.45 0.80 0.05 0.86 − 1.05
Apicoectomy 0.50 1.14 0.42 1.20 1.03
Fluoride 0.63 0.56 − 1.10 0.72 − 1.62
Bruxism 0.66 0.77 − 0.25 0.70 − 1.82
Pulp 0.63 1.33 0.75 0.84 − 0.90
Periodontal 0.61 0.60 − 0.80 0.86 − 0.71
Enamel 0.60 0.71 − 0.52 0.94 − 0.33
Restoration 0.88 0.52 − 0.23 0.69 − 1.13
Fistula 0.62 1.41 0.90 1.46 2.00
Sealant 0.72 1.20 0.53 1.20 1.19
Genetics 0.82 1.24 0.61 1.10 0.51
Incipient 0.81 0.51 − 0.89 0.74 − 1.08
Dentition 0.80 0.55 − 0.87 0.95 0.03
Abscess 0.82 1.22 0.52 1.11 0.44
Malocclusion 0.81 0.62 − 0.28 1.13 0.51
Denture 0.87 0.35 − 0.60 0.70 − 1.20
Gingiva 0.90 7.77 3.42 1.26 1.01
Hyperaemia 0.70 0.45 − 1.31 0.66 − 2.10
Analgesia 0.93 0.24 0.13 0.94 0.01
Sugar 0.93 0.21 − 0.38 0.67 − 0.90
Smoking 0.94 0.32 0.02 0.91 0.01
Floss 0.93 5.20 1.82 1.15 0.40
Extraction 0.92 7.58 2.03 1.20 0.60
Halitosis 0.98 0.21 0.12 0.91 0.01
Caries 0.95 0.25 0.51 0.71 − 0.40
Brush 0.99 9.05 2.73 1.13 0.42