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. 2022 Jan 13;5(1):e2143407. doi: 10.1001/jamanetworkopen.2021.43407

Table 1. Inclusion Criteria for PEI and PEH.

Code No. (%)a
PEI (nā€‰=ā€‰3415)b
Code Z65.1 (imprisonment and other incarceration) 1162 (34.0)
Codes Y92.140-Y92.149 (prison as the place of occurrence of the external cause) 228 (6.7)
Admission code (admitted from court or law enforcement) 2565 (75.1)
PEH cohort (nā€‰=ā€‰9434)b
Code Z59.0 (homelessness) 8773 (93.0)
Code Z59.1 (inadequate housing) 81 (0.9)
Code Z59.8 (other problems related to housing and economic circumstances) 300 (3.2)
Code Z59.9 (problem related to housing and economic circumstances, unspecified) 401 (4.3)

Abbreviations: ICD-10-CM, International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Clinical Modification; PEH, people experiencing homelessness; PEI, people experiencing incarceration.

a

Individual ICD-10-CM codes and admission codes sum to more than the total because patients could have more than 1 code.

b

Patients with codes for both populations are included in the PEI cohort.