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Table 3 Test-retest reliability of eight domains of the Thai HAQ

From: Comprehensibility, reliability, validity, and responsiveness of the Thai version of the Health Assessment Questionnaire in Thai patients with rheumatoid arthritis

Thai HAQ domain Mean ± SD score on day 1 Mean ± SD score on day 7 ICC (95% CI)a
Dressing and grooming 0.90 ± 0.83 0.82 ± 0.83 0.83 (0.75-0.88)
Arising 2.05 ± 1.67 1.85 ± 0.99 0.84 (0.77-0.89)
Eating 1.60 ± 1.02 1.47 ± 1.02 0.82 (0.75-0.88)
Walking 1.27 ± 0.98 1.12 ± 1.01 0.87 (0.81-0.91)
Hygiene 1.34 ± 0.80 1.22 ± 0.96 0.77 (0.66-0.84)
Reach 1.80 ± 1.07 1.61 ± 1.07 0.77 (0.67-0.84)
Grip 1.91 ± 0.97 1.62 ± 1.00 0.78 (0.69-0.85)
Activities 1.59 ± 1.01 1.33 ± 1.00 0.80 (0.70-0.86)
Thai HAQ 1.56 ± 0.75 1.38 ± 0.80 0.89 (0.84-0.92)
  1. aTwo-way random-effects average measure intraclass correlation coefficient (ICC). CI, confidence interval; SD, standard deviation; Thai HAQ, Thai version of the Health Assessment Questionnaire Disability Index.