Skip to main content

Table 1 Demographic characteristics of the avoidant/restrictive food intake disorder (ARFID) group and healthy control participants (HC)

From: Preliminary validation of the pica, ARFID and rumination disorder interview ARFID questionnaire (PARDI-AR-Q)

 

ARFID n = 42

HC n = 29*

Test statistic (X2,t)

p

Effect size (V, d)

Sex (n [% female])

23 [55%]

8 [28%]

4.10

0.04

0.27

Age (years; M [SD])

19.3 [3.7]

29.9 [7.6]

 − 6.28

 < 0.001

0.70

Race (n [%])

  

7.50

0.06

0.33

 American Indian/Alaska native

0 [0%]

0 [0%]

   

 Asian

0 [0%]

2 [7%]

   

 Black or African American

0 [0%]

2 [7%]

   

 More than one race

2 [5%]

2 [7%]

   

 Native Hawaiian or Pacific Islander

0 [0%]

0 [0%]

   

 White

40 [95%]

22 [81%]

   

Ethnicity (n [%])

  

0.01

0.92

0.08

 Non-hispanic

39 [93%]

28 [100%]

   

 Hispanic

3 [7%]

1 [4%]

   

BMI percentile/absolute BMI (M [SD])

     

 BMI percentile for ages 14–17 years

41.9 [30.6]

51.0 [24.8]

 − 0.67

0.52

0.31

 Absolute BMI (kg/m2) for ages ≥ 18 years

23.3 [7.3]

28.1 [7.5]

 − 2.79

0.007

0.70

  1. BMI body mass index
  2. *n = 1 participant declined to provide race and ethnicity data. Race and ethnicity statistics for HC were calculated without this participant (i.e., n = 28)