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Table 6 Means, SDs, medians and IQRs for RSMB and IS by age group (N = 275)

From: Assessing subtypes of restricted and repetitive behaviour using the Adult Repetitive Behaviour Questionnaire-2 in autistic adults

  18–34 years (N = 129) 35–49 years (N = 98) 50–66 years (N = 48)
Mean (SD) Median (IQR) Mean (SD) Median (IQR) Mean (SD) Median (IQR)
RSMB 2.05 (.47) 2.0 (.67) 1.98 (.51) 2.08 (.83) 1.76 (.40) 1.83 (.63)
IS 2.33 (.43) 2.45 (.55) 2.41 (.40) 2.5 (.64) 2.37 (.38) 2.45 (.45)