Table 2

Types of Experiences Residents Reported With Individuals With IDD

Type of experience	n (%)	Mean comfort level interacting with people with IDD (95% CI)	Difference in means (95% CI)	Cohen d	p Value
Treated an inpatient with IDD
Yes	321 (76)	3.96 (3.82–4.10)	0.30 (0.58 to 0.02)	0.24	0.04
No	102 (24)	3.66 (3.41–3.90)	0.30 (0.58 to 0.02)	0.24	0.04
Had a k-12 classmate with IDD
Yes	186 (44)	4.08 (3.90–4.25)	0.34 (0.10 to 0.58)	0.27	0.01
No	237 (56)	3.73 (3.57–3.90)	0.34 (0.10 to 0.58)	0.27	0.01
Treated an outpatient with IDD
Yes	166 (39)	4.14 (3.94–4.33)	0.42 (0.17 to 0.67)	0.33	<0.01
No	257 (61)	3.72 (3.57–3.87)	0.42 (0.17 to 0.67)	0.33	<0.01
Member of an organization that serves people with IDD
Yes	108 (26)	4.43 (4.18–4.68)	0.73 (0.44 to 1.01)	0.53	<0.01
No	315 (74)	3.70 (3.56–3.83)	0.73 (0.44 to 1.01)	0.53	<0.01
Has a family member with IDD
Yes	73 (17)	4.34 (4.04–4.64)	0.55 (0.23 to 0.88)	0.44	<0.01
No	350 (83)	3.79 (3.66–3.92)	0.55 (0.23 to 0.88)	0.44	<0.01
Has a neighbor with IDD
Yes	55 (13)	4.24 (3.88–4.59)	0.41 (0.03 to 0.78)	0.32	0.04
No	368 (87)	3.83 (3.70–3.96)	0.41 (0.03 to 0.78)	0.32	0.04
A friend's family member has IDD
Yes	49 (12)	4.22 (3.89–4.56)	0.38 (0.02 to 0.75)	0.31	0.04
No	374 (88)	3.84 (3.71–3.97)	0.38 (0.02 to 0.75)	0.31	0.04
Knows a person with IDD in their religious community
Yes	45 (11)	4.38 (4.04–4.72)	0.55 (0.19 to 0.92)	0.46	<0.01
No	378 (89)	3.83 (3.70–3.95)	0.55 (0.19 to 0.92)	0.46	<0.01
Has a friend with IDD
Yes	42 (10)	4.14 (3.70–4.58)	0.29 (−0.17 to 0.74)	0.22	0.21
No	381 (90)	3.86 (3.73–3.98)	0.29 (−0.17 to 0.74)	0.22	0.21
Had a college classmate with IDD
Yes	23 (5)	4.35 (3.79–4.91)	0.49 (−0.08 to 1.06)	0.38	0.09
No	400 (95)	3.86 (3.73–3.98)	0.49 (−0.08 to 1.06)	0.38	0.09

Abbreviation: IDD = intellectual and/or developmental disability.