Underlying Causes of death observed in homeless population reported by several studies.

Table 1: Underlying Causes of death observed in homeless population reported by several studies.

Label	Cancer^a	Heart Disease^b	Infectious and Parasitic Disease^c	Respiratory Disease^d	Psychoactive Substance^e	Injury Transportations^f	Diabetes and metabolic disease^g
Roncarati, et al. [29]	21	18	10	0	17	0	15
Bagget, et al. [26]	206	203	76	0	219	0	114
Schinka, et al. [30]	619	969	233	200	373	286	119
Pribish, et al. [31]	0	10	0	50	32	59	25
Stephen, et al. [32]	35	221	386	110	31	423	67
Henwood, et al. [33]	9	21	12	3	23	49	1
Gambatese, et al. [34]	0	23	0	0	27	7	0
Gawron, et al. [35]	5848	23095	1136	220	37884	0	6351
Bharel, et al. [36]	0	3220	1883	1712	3135	0	1191
Yamane, et al. [37]	2	222	283	141	0	0	83
Lebrun-Harris, et al. [38]	30	322	7	252	168	0	136

^a: Cancer incudes Trachea, bronchus and lung, liver and intrahepatic bile ducts, colon, rectum and anus, esophagus and pancreas cancer, neoplasm, melanoma, glaucoma; ^b: Heart disease includes cardiovascular system, hypertension, angina, myocardial infarction, congestive heart failure, arrhythmia, valvular heart disease, chronic venous insufficiency ischemic and non-ischemic heart diseases, coronary artery disease; ^c: Infectious and parasitic disease include HIV/AIDS, parasitic disease, positive tuberculin, active tuberculosis, endocarditis, apoptotic ulcer disease, gastrointestinal disease, severe cirrhosis, Gonorrhea, hepatitis A hepatitis B, hepatitis C, Measles, Mumps, polio, Rubella, scarlet fever; ^d: Respiratory disease includes pulmonary disease, asthma, whooping cough; ^e: Psychoactive substance use disorder includes alcohol use disorders, other substance use disorders, drug overdose; ^f: Injury transportation includes pedestrians injured in transport accident, falls, and drowning, fracture, dislocation, cerebral contusion, subdural hematoma, intracerebral hemorrhage, major chest injury, internal chest, abdomen or pelvis injury, frostbite, hypothermia or immersion foot; ^g: Diabetes and metabolic disease include, liver disease, diabetes.