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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Int J Eat Disord. 2018 Oct 12;52(4):378–387. doi: 10.1002/eat.22958

Table 4.

Diagnoses and subscale scores for subjects in the initial pilot study of the Pica, ARFID, and Rumination Disorder Interview (PARDI)

ARFID A/R eating Healthy control Test statistic p Effect size
n 39 8 10
Received PARDI diagnosis of ARFID,
n (%)
39 (100%) 0 (0%) 0 (0%) N/A N/A N/A
PARDI profiles
(Mean, SD)
Median (Range)
 ARFID severity 2.41 (.91)a
2.31 (.81, 5.25)
1.63 (.76)b
1.66 (.63, 3.00)
.31 (.22)c
.31 (.00, .56)
F(2) =
26.65
.000 partial η2 =
.11
 ARFID sensory sensitivity 1.23 (1.06)a
1.00 (.00, 4.00)
.80 (.62)ab
.85 (.00, 1.50)
.04 (.13)b
.00 (.00, .40)
F(2) = 6.84 .002 partial η2 =
.20
 ARFID lack of interest in eating 1.69 (1.32)a
1.45 (.00, 4.55)
.68 (.75)b
.27 (.00, 2.09)
.19 (.23)b
.09 (.00, .64)
F(2) = 8.16 .001 partial η2 =
.23
 ARFID fear of aversive consequences .40 (.65)a
.00 (.00, 2.00)
.00 (.00)ab
.00 (.00, .00)
.00 (.00)b
.00 (.00, .00)
F(2) = 3.33 .043 partial η2 =
.50