TABLE 3.

Number of consecutive controlled case series (CCCS) studies reporting on variables that characterized the sample well.

Element 5 features (n = 76)	Number of studies (%)
Setting location	75 (98.68%)
Outpatient clinic	53 (69.74%)
Inpatient setting	22 (28.95%)
School	9 (11.84%)
Home	6 (7.89%)
Clinic, unspecified	1 (1.32%)
Unspecified	1 (1.32%)
Autism spectrum disorder	64 (84.21%)
Age	63 (82.89%)
Gender	60 (78.95%)
Intellectual or developmental disability	50 (65.79%)
Medical or genetic diagnoses	38 (50%)
Psychiatric diagnoses	37 (48.68%)
Safety measures	26 (34.21%)
Communication skills	22 (28.95%)
Race and ethnicity	20 (26.32%)
Language	3 (3.95%)
Socioeconomic status	2 (2.63%)
Education	1 (1.32%)
Test scores	1 (1.32%)