Table 2.

Characteristics of the input data set for decision tree modeling

Attribute	Categories	Count of Appt_IDs	% of total
Show_Status [Label]	Show	7943	76
	No-show	2458	24
Lead_Time	> 10 days	3183	31
	0 days	2542	24
	1–10 days	4676	45
Appt_Duration	> 30 min	199	2
	15 min	6473	62
	30 min	3729	36
New_Pt.	No	9517	92
	Yes	884	8
Visit_Type	Acute	2743	26
	Routine	7303	70
	Wellness	355	3
Age_Grp	<18 years	3181	31
	≥65 years	364	3%
	18–64 years	6856	66
Ethnicity	Hispanic/Latino	3241	31
	Not Hispanic/Latino	7160	69
Gender	Female	7046	68
	Male	3355	32
Language	English	7653	74
	Other	372	4
	Spanish	2376	23
Race	Black	4985	48
	Other	585	6
	White	4831	46
Web_Enabled	No	5044	48
	Yes	5357	52
Insured	No	1584	15
	Yes	8817	85