The Living Environment Ontology (LEO) is a structured framework designed to classify and standardize concepts related to human living conditions. It integrates keywords and concepts from diverse sources, such as questionnaires, references, and abstracts, to create a comprehensive ontology for assessing human living environments. Jinsun Jung; Jinsol Kim; Hyorim Yoo; Hyeonui Kim Living Environment Ontology C0000924;C0206216 Accident;Safety Management Y 1 AOD,CHV,COSTAR,CSP,CST,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_caDSR,SNM,SNMI,SNOMEDCT_US;MSH,SNOMEDCT_US,MEDCIN,CHV,SCTSPA,MSHPOR,MSHSPA,MSHCZE C0001861 AIr 3 Y CHV,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_FDA,SNM,SNMI,SNOMEDCT_US C0336746 Air-conditioner Y 4 CHV,SNMI,SNOMEDCT_US C0262774 Purifier,AIr Y 5 CHV,MSH,MTH C2371710 Air quality Y 6 ICF,ICFCY,MSH C3536832;C1611144 Air;Ventilator Y 7 ATC,DRUGBANK,MTH,MTHSPL,RXNORM,SNOMEDCT_US,VANDF;CHV,MEDLINEPLUS,MTH,SNMI,SNOMEDCT_US C0031268 Pet animal Y 8 MTH,MSH,CHV,HL7V3.0,PSY,LCH_NW,CSP,AOD C0457933 Apartment Y 9 CHV,MTH,NCI,SNOMEDCT_US C2004457;C0023693 Artificial;Light Y 10 CHV,MTH,NCI,SNMI,SNOMEDCT_US;AOD,CHV,CSP,ICF,ICFCY,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0003947 Asbestos Y 11 CHV,CSP,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,NCI,NCI_NCIGLOSS,NCI_caDSR,SNM,SNMI,SNOMEDCT_US C0872103 Assisted Living Facility Y 12 CHV,CSP,LNC,MSH,NCI,NCI_caDSR,NLMSubSyn,SNOMEDCT_US C0563050 Attic Y 13 CHV,MTH,SNOMEDCT_US C0337576 Aunt Y 14 CHV,HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0562731 Back yard Y 15 SNOMEDCT_US 7 Unmatched Y 216 N/A C0557846 Basement floor Y 206 SNOMEDCT_US,RCD,SCTSPA C1314293 Bath/shower chair Y 16 SNOMEDCT_US · HCPCS · SCTSPA C0556989 Bathroom Y 17 CHV,MTH,SNOMEDCT_US C0179266 Y 18 CHV,SNMI,SNOMEDCT_US C0557652 Bedroom Y 19 CHV,SNOMEDCT_US C1948091 Biological hazard Y 20 OMS C0303749 Bleach Y 21 CHV,SNMI,SNOMEDCT_US C0337154 Boiler Y 22 CHV,LNC,SNMI,SNOMEDCT_US C0337527 Brother Y 23 CHV,CSP,HL7V3.0,LNC,MSH,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C1553711 Brother-in-law Y 24 HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR C0336815 Bus Y 25 CHV,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0007018 Carbon monoxide Y 26 AOD,ATC,CHV,CSP,DRUGBANK,LCH,LCH_NW,LNC,MSH,MTH,MTHSPL,NCI,NCI_CTRP,NCI_FDA,NCI_NCIGLOSS,RXNORM,SNM,SNMI,SNOMEDCT_US,VANDF C5392988 Companion cat Y 27 MSH,MSHPOR,MSHSPA,MSHCZE C1136359 Cellphone Y 28 CHV,HL7V2.5,LCH_NW,MEDLINEPLUS,MSH,MTH,NCI,NLMSubSyn,SPN C1948138 Chemical hazard Y 29 OMS C0220806;C0199176 Chemical;Prevention Y 30 AOD,CHV,CSP,HL7V3.0,LCH_NW,LNC,MTH,NCI,NCI_FDA,NCI_NCI-GLOSS,NCI_caDSR,NLMSubSyn,SNM,SNMI,SNOMEDCT_US;AOD,CHV,CSP,HL7V3.0,LCH,MEDLINEPLUS,MTH,NCI,NCI_CDISC,NCI_CDISC-GLOSS,NCI_CTRP,NCI_GDC,NCI_NCI-GLOSS,NCI_NCI-HL7,NLMSubSyn,PDQ,SNMI,SNOMEDCT_US C0008848;C0017110 City;Gas Y 30 CHV,CSP,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_NICHD,SNOMEDCT_US;AOD,CHV,CSP,FMA,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_EDQM-HC,SNM,SNMI,SNOMEDCT_US C0002424 Clinic Y 32 AOD,CHV,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_FDA,NCI_caDSR,NLMSubSyn,SNMI,SNOMEDCT_US C0009090 Clutter Y 33 CHV,ICD10CM,MSH,MTH,MTHICD9,SNMI,SNOMEDCT_US C0009090;C1880497;C1883067 Clutter;Free;Space Y 34 CHV,ICD10CM,MSH,MTH,MTHICD9,SNMI,SNOMEDCT_US;LNC,MTH,NCI;MTH,NCI C0584974 Lives with companion Y 35 SNOMEDCT_US,RCD,SCTSPA C2347841 Communication resource usage type Y 36 NCI 1 Unmatched Y 207 N/A C0337580 Cousin Y 37 CHV,HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0010325; C0206216 Crime;Safety Management Y 38 AOD,CHV,LCH_NW,MSH,MTH,NCI;MSH,SNOMEDCT_US,MEDCIN,CHV,SCTSPA, MSHPOR,MSHSPA,MSHCZE C1521917 Common data element Y 273 MTH,MSH,NCI,MSHPOR,MSHSPA,MSHCZE,MSHSWE,MSHNOR C0011011 Daughter Y 39 AOD,CHV,HL7V3.0,LCH_NW,LNC,MSH,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C1553705 Daughter-in-law Y 40 HL7V3.0,LNC,MTH,NCI,NCI_GDC,NCI_caDSR C0439228 Day Y 267 MTH ,SNOMEDCT_US ,NCI ,CHV ,LNC ,RCD ,CCPSS ,AOD 2 Unmatched Y 208 N/A C0449286;C0439148 Degree or extent;Unit Y 255 MTH,SNOMEDCT_US,CHV,RCD,SCTSPA;MTH,SNOMEDCT_US,NCI,CHV,LNC,RCD,SCTSPA C0282354 Descriptor Y 218 MTH,MSH,SNOMEDCT_US,CHV,RCD,SCTSPA,MSHPOR,MSHSPA C0557648 Dining room Y 41 SNOMEDCT_US C0012682 Disinfectant Y 42 CHV,CSP,MSH,MTH,NCI,NCI_NCI-GLOSS,SNM,SNMI,SNOMEDCT_US C5392989 Companion dog Y 43 MSH · MSHPOR · MSHSPA · MSHCZE C0600393 Domestic partner Y 44 CHV,HL7V3.0,MSH,MTH,NLMSubSyn,SNOMEDCT_US C4717966 Locks on doors Y 46 NOC C0870443 Dormitory Y 45 CHV C0453926;C1547703 Dress;Room Y 47 CHV,MTH,SNOMEDCT_US;HL7V2.5,LNC,MTH,NCI C5214601 Duplex/townhouse Y 48 LNC C0013621;C0035201 Education;Resource Y 49 AOD,CHV,CSP,LCH,LCH_NW,LNC,MSH,MTH,NCI,NLMSubSyn,SNMI;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C0013790 Electricity Y 50 AOD,CHV,LCH,LCH_NW,LNC,MSH,MTH,NCI,SNM,SNMI,SNOMEDCT_US C0013890 Elevator Y 51 CHV,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0014275 Energy-generating resource Y 52 MTH,MSH,CHV,CSP,MSHPOR,MSHSPA,MSHCZE,MSHSWE C0079291 Environmental hazard Y 53 CHV,SNM,SNMI,SNOMEDCT_US C1547035;C0439148 Presence/Identity/Existence;Unit Y 262 HL7V2.5;MTH,SNOMEDCT_US,NCI,CHV,LNC,RCD,SCTSPA C0337094;C0336762 Exit;Ladder Y 60 MTH,SNOMEDCT_US,CHV,SNMI,SCTSPA;CHV,MTH,SNM,SNMI,SNOMEDCT_US C0231449;C5766836 Extended;Tub transfer bench Y 54 CHV,MTH,SNMI,SNOMEDCT_US;MEDCIN C0086282 Family member Y 55 AOD,CHV,HL7V3.0,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_caDSR,NLMSubSyn,SNOMEDCT_US C1705854 Fan Y 56 MTH,NCI,NCI_FDA C0015671 Father Y 57 AOD,CHV,CSP,HL7V3.0,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C2349973 Father-in-law Y 58 HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR,SNOMEDCT_US C0557676 Fences around building Y 209 SNOMEDCT_US,RCD,SCTSPA C0179332 Fire blanket Y 59 SNOMEDCT_US,UMD,SPN,SCTSPA,DMDUMD C3826342 Fire extinguishers Y 61 LCH_NW C0596573 Fire prevention Y 62 CHV,CSP,LCH_NW,MEDLINEPLUS C0700614;C5561754 Fire; Fire sprinkler irrigation systems Y 63 CHV,LCH,MTH,SNM,SNMI,SNOMEDCT_US;UMD C0700614;C1883167 Fire;Station Y 64 CHV,LCH,MTH,SNM,SNMI,SNOMEDCT_US;NCI C0336758;C0278253 Fireplace;Guarded Y 65 CHV,MTH,SNM,SNMI,SNOMEDCT_US;CHV,LNC,SNMI,SNOMEDCT_US C0780418 Y 66 CHV,SPN Kit,first aid C0016198 Flame Retardant Y 67 CHV,MSH,SNMI,SNOMEDCT_US C0016452 Food Y 68 CHV,CSP,HL7V3.0,ICF,ICF-CY,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3,NCI_CRCH,SNM,SNMI,SNOMEDCT_US C0178640 Food resource Y 69 CSP C0016564 Formaldehyd Y 70 AOD,CHV,CSP,DRUGBANK,LCH,LCH_NW,LNC,MSH,MTH,MTHSPL,NCI,NCI_CTRP,NCI_FDA,NCI_NCI-GLOSS,NCI_caDSR,NLMSubSyn,RXNORM,SNM,SNMI,SNOMEDCT_US,VANDF C0079382 Friend Y 71 AOD,CHV,ICF,ICF-CY,LNC,MSH,MTH,NCI,NCI_CDISC,SNMI,SNOMEDCT_US C0562732 Front yard Y 72 SNOMEDCT_US C0036605 Self-Help Devices Y 73 MSH,SNOMEDCT_US,UMD,NCI,CHV,MEDLINEPLUS,CSP,SCTSPA C0442640 Garage Y 74 CHV,SNOMEDCT_US C0868963 Garden Y 75 CHV,LCH,LCH_NW,LNC,MSH,MTH C0182650 Grab bar Y 76 CHV C0337548 Grandchild Y 77 CHV,HL7V3.0,LNC,MTH,NCI,NCI_GDC,NCI_caDSR,NLMSubSyn,SNMI,SNOMEDCT_US C0337561 Granddaughter Y 78 HL7V3.0,LNC,MTH,NCI,NCI_GDC,SNMI,SNOMEDCT_US C0337475 Grandfather Y 79 AOD,CHV,CSP,HL7V3.0,MSH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0337474 Grandmother Y 80 AOD,CHV,CSP,HL7V3.0,MSH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0337471 Grandparent Y 81 AOD,CHV,CSP,HL7V3.0,LNC,MSH,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0337573 Grandson Y 82 CHV,HL7V3.0,LNC,MTH,NCI,NCI_GDC,SNMI,SNOMEDCT_US C53927872;C0035201 Green Space;Resource Y 83 MSH · MSHPOR · MSHSPA · MSHCZE;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C0557778 Grocery store Y 84 CHV,LNC,MSH,NCI,SNOMEDCT_US C0337531 Half brother Y 85 HL7V3.0,LNC,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0337518 Half sister Y 86 HL7V3.0,LNC,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0562499 Hallway Y 87 SNOMEDCT_US C5764574 Hand-held shower Y 88 MEDCIN C0018624;C1514468 Hazardous Chemical;Product Y 89 AOD,CHV,CSP,MSH,NLMSubSyn;MTH,NCI,NCI_BRIDG,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C0018624;C0018626 Hazardous Chemical;Substance Y 90 AOD,CHV,CSP,MSH,NLMSubSyn;AOD,CHV,CSP,LCH_NW,MSH C0018741 Health resource Y 91 MTH,NCI,CHV,LNC,PSY,CSP,AOD C0336757 Heater Y 92 CHV,LNC,MTH,NCI,NCI_FDA,SNM,SNMI,SNOMEDCT_US C4296502 Home environment safety and stability Y 93 LNC C0442519;C0206216 Home;Safety Management Y 95 AOD,CHV,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_FDA,NCI_caDSR,SNOMEDCT_US;MSH,SNOMEDCT_US,MEDCIN,CHV,SCTSPA,MSHPOR,MSHSPA,MSHCZE C4296502;C0035648 Home environment safety and stability;Risk factor Y 94 LNC;AOD,CHV,LNC,MSH,MTH,NCI,NCI_GDC,NCI_NCI-GLOSS,NCI_caDSR,NLMSubSyn,SNMI,SNOMEDCT_US C0019994 Hospital Y 96 AOD,CHV,CSP,HL7V3.0,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_CDISC,NCI_FDA,NLMSubSyn,SNMI,SNOMEDCT_US C0442518 Hostel Y 97 CHV,SNOMEDCT_US C0442514 Hotel Y 98 CHV,LNC,SNOMEDCT_US C0439227 Hour Y 266 MTH ,SNOMEDCT_US ,NCI ,CHV ,HL7V2.5 ,RCD ,SCTSPA C0181232 Humidifier Y 99 CHV,LNC,MSH,MTH,NCI,NCI_NCI-GLOSS,SNMI,SNOMEDCT_US C0242664 Husband Y 100 AOD,CHV,CSP,HL7V3.0,MSH,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_caDSR,SNOMEDCT_US C0085862;C0085862;C1547538 Independent;Living;Facility Y 101 CHV,LNC,MTH,NCI;MTH,LNC;MTH,NCI,LNC,HL7V2.5 C4717960 Interior lighting Y 102 NOC C0205102;C1883067 Internal;Space Y 103 MTH,SNOMEDCT_US,FMA,UWDA,NCI,CHV,LNC,SNMI;MTH,NCI C0770740 Insect Y 104 MTH,VANDF C0282111 Internet Y 105 AOD,CHV,CSP,LCH_NW,MSH,MTH,NCI,NCI_CDISC-GLOSS C0557653 Kitchen Y 106 CHV,NCI,SNOMEDCT_US C1708632;C0179376 Labeled;Bottle Y 107 MTH,NCI;CHV,HL7V3.0,MTH,NCI,NCI_EDQM-HC,NCI_FDA,SNMI,SNOMEDCT_US,VANDF C0039457 Telephone Y 108 AOD,CHV,CSP,HL7V2.5,LCH,LCH_NW,LNC,MSH,MTH,NCI,SNOMEDCT_US C1830412;C1547703 Laundry;Room Y 109 ICD9CM,LCH_NW,LNC,MTH,MTHICD9;HL7V2.5,LNC,MTH,NCI C0023621 Library Y 110 AOD,CHV,CSP,LCH,LCH_NW,MSH,MTH,SNOMEDCT_US C0023693 Light Y 111 AOD,CHV,CSP,ICF,ICF-CY,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0023693;C0035201 Light;Resource Y 112 AOD,CHV,CSP,ICF,ICF-CY,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C4520849;C0014406;C0449432 Living;Environment;Component Y 113 LNC,MTH;AOD,CHV,CSP,LNC,MSH,MTH,NCI,SNOMEDCT_US;CHV,LNC,MTH,SNOMEDCT_US C4520849;C0035201 Living;Resource Y 114 LNC,MTH;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C4520849;C1547703 Living;Room Y 115 LNC,MTH;HL7V2.5,LNC,MTH,NCI C2184149 Living situation Y 116 HL7V3.0 C0563050 Loft Y 117 CHV,MTH,SNOMEDCT_US C4539740;C0004916 Low height;Bed Y 118 OMIM;CHV,HL7V2.5,LCH,LCH_NW,MSH,MTH,NCI,SNOMEDCT_US C1318228 Market Y 119 CHV,SNOMEDCT_US C0242485;C0871161 Measurement;Property Y MTH,SNOMEDCT_US,NCI,CHV,LNC,PSY,LCH,RCD;MTH,SNOMEDCT_US,NCI,CHV,PSY,SCTSPA C0242485;C0439148 Measurement;Unit Y MTH,SNOMEDCT_US,NCI,CHV,LNC,PSY,LCH,RCD;MTH,SNOMEDCT_US,NCI,CHV,LNC,RCD,SCTSPA C0013227 Medicine Y 120 CHV,CSP,HL7V2.5,ICF,ICF-CY,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_ACC-AHA,NCI_CDISC-GLOSS,NCI_ICDC,NCI_NCI-GLOSS,NLMSubSyn,PDQ,SNM,SNMI,SNOMEDCT_US C1282918 Minute Y 265 MTH,SNOMEDCT_US,CHV,SNMI,SCTSPA C0442516 Mobile Home Y 121 CHV,MTH,NCI,NCI_caDSR,SNOMEDCT_US C0369241 Mould Y 122 AOD,CHV,CSP,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_CDISC,NCI_CTRP,NCI_NCI-GLOSS,NCI_NICHD,NCI_caDSR,NLMSubSyn,SNMI,SNOMEDCT_US C0439231 Month Y 269 MTH ,SNOMEDCT_US ,NCI ,CHV ,LNC ,RCD ,SCTSPA C0557628 Motel Y 123 CHV,SNOMEDCT_US C0026591 Mother Y 124 AOD,CHV,CSP,HL7V3.0,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C2349972 Mother in-law Y 125 HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR,SNOMEDCT_US C0439064;C0439855;C2003847 Multi;Complex;House Y 126 CHV,LNC,MTH,NCI,NCI_CDISC,NCI_caDSR,SNMI,SNOMEDCT_US;CHV,LNC,MTH,NCI,SNMI,SNOMEDCT_US;MTH,NCI,SNOMEDCT_US C0205296;C0023693 Natural;Light Y 127 CHV,LNC,NCI,NCI_caDSR,SNMI,SNOMEDCT_US;AOD,CHV,CSP,ICF,ICF-CY,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0337579 Nephew Y 128 CHV,HL7V3.0,LNC,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0337578 Niece Y 129 CHV,HL7V3.0,LNC,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0028160 Nitrogen Dioxide Y 130 AOD,CHV,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_FDA,SNM,SNMI,SNOMEDCT_US C3880336;C3503831 Bath/shower non-slip mat;Floor mats,antiskid Y 131 SNOMEDCT_US,SCTSPA;UMD C3503831 Floor Mats, Antiskid Y 133 UMD C3881280 Bath/shower non-slip tape Y 132 SNOMEDCT_US,SCTSPA C0549184 None Y 210 MTH,SNOMEDCT_US,NCI,CHV.SNMI, RCD,CCPSS,SCTSPA C0028688 Nursing home Y 134 AOD,CHV,CSP,HL7V3.0,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_FDA,NCI_NCI-GLOSS,NLMSubSyn,SNMI,SNOMEDCT_US C0680063;C2349980 Offspring;In-law Y 135 AOD,CHV,HL7V3.0,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_NCI-GLOSS,NCI_caDSR;MTH,NCI 6 Unmatched Y 215 N/A C1709359;C0023693 Outdoor;Light Y 136 NCI,NCI_FDA;AOD,CHV,CSP,ICF,ICF-CY,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0205101;C1883067 External;Space Y 137 MTH,SNOMEDCT_US,FMA,UWDA,NCI,CHV,LNC,SNMI;MTH,NCI C2046788 Owns private house Y 138 MEDCIN C0030551 Parent Y 139 AOD,CHV,CSP,HL7V3.0,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_FDA,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0562547 Park Y 140 AOD,CHV,MTH,NCI,NCI_FDA,SNOMEDCT_US C0442639 Parking lot Y 141 SNOMEDCT_US 3 Unmatched Y 211 N/A C1519021;C0348005 Personal;Vehicle Y 142 MTH,NCI,NLMSubSyn;AOD,CHV,LNC,MTH,SNOMEDCT_US C0031253 Pesticide Y 143 AOD,CHV,CSP,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,NCI,NCI_NCI-GLOSS,SNM,SNMI,SNOMEDCT_US C0031322 Pharmacy Y 144 AOD,CHV,HL7V3.0,LNC,MSH,MTH,NCI,NCI_FDA,NLMSubSyn,SNOMEDCT_US C0039457 Phone Y 145 AOD,CHV,CSP,HL7V2.5,LCH,LCH_NW,LNC,MSH,MTH,NCI,SNOMEDCT_US C0205485;C0150638 Physical;Injury prevention Y 146 CHV,LNC,MTH,NCI,NCI_caDSR,SNMI,SNOMEDCT_US;CHV,CSP,NLMSubSyn,SNOMEDCT_US C0032214;C1547703 Play;Room Y 147 CHV,CSP,ICF,ICF-CY,LCH_NW,MSH,MTH;HL7V2.5,LNC,MTH,NCI C0442683 Police station Y 149 SNOMEDCT_US · RCD · SCTSPA 4 Unmatched Y 212 N/A C0033175;C0021622 Private;Institute Y 150 HL7V3.0,MSH,MTH;CHV,MSH,MTH C0336894 Footwear Y 151 CHV,SNMI,SNOMEDCT_US C0205410;C0023693 Adequate;Light Y 2 CHV,LNC,MTH,NCI,NCI_caDSR,SNMI,SNOMEDCT_US;AOD,CHV,CSP,ICF,ICFCY,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US C0871194 Public transportation Y 152 CHV,HL7V2.5,HL7V3.0,NCI,NCI_caDSR C1265611;C0439148 Quantity;Unit Y 256 MTH,SNOMEDCT_US,NCI,CHV,LNC,SNMI,RCD,CCPSS;MTH,SNOMEDCT_US,NCI,CHV,LNC,RCD,SCTSPA C1522634 Question Y 271 MTH,NCI,LNC C1304639 Radio Y 153 CHV,MTH,SNOMEDCT_US C0034629 Radon Y 154 AOD,CHV,CSP,LCH,LCH_NW,MEDLINEPLUS,MSH,MTH,NCI,NCI_FDA,NCI_NCI-GLOSS,SNM,SNMI,SNOMEDCT_US C1705114 Rail Y 155 MTH,NCI,NCI_FDA,SNOMEDCT_US C0442818;C0184958 Raised;Toilet Y 156 CHV,MTH,SNOMEDCT_US;CHV,MTH,SNMI,SNOMEDCT_US C0023187;C2003847 Leasing,Property;House Y 157 SH ,MSHPOR,MSHSPA,MSHCZE,MSHDUT,MSHSWE,MSHNOR,MSHGER;MTH,NCI,SNOMEDCT_US C5142976;C1999269;C0332307 Residential;Building;Type Y 158 LNC;MTH,NCI;CHV,LNC,MTH,NCI,NCI_BRIDG_5_3,NCI_CDISC,NCI_CareLex,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0035186 ResidentialFacility Y 220 MSH,NCI,CHV,LNC,MTH,PSY,CSP,AOD C5142976;C1883067 Residential;Space Y 159 LNC;MTH,NCI C5142976;C0332307 Residential;Type Y 160 LNC;CHV,LNC,MTH,NCI,NCI_BRIDG_5_3,NCI_CDISC,NCI_CareLex,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0035255 Restaurant Y 161 AOD,CHV,LCH_NW,LNC,MSH,SNOMEDCT_US C0035804 Rodent Y 162 AOD,CHV,CSP,LCH,LCH_NW,LNC,MSH,MTH,NCBI,NCI,SNM,SNMI,SNOMEDCT_US,SNOMEDCT_VET C4684764;C0337174 Safe;Storage Y 163 NCI,NCI_CDISC-GLOSS;LCH,MTH,SNMI,SNOMEDCT_US C0036043;C4266464 Safety;Gated Y 164 AOD,CHV,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_CDISC-GLOSS;LNC C0036043;C1704783 Safety;Lock Y 166 AOD,CHV,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_CDISC-GLOSS;MTH,NCI C0036043;C0035201 Safety;Resource Y 165 AOD,CHV,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_CDISC-GLOSS;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C0036172;C0035201 Sanitation;Resource Y 167 CHV,CSP,LCH,LCH_NW,MSH;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C0036375 School Y 168 AOD,CHV,CSP,HL7V3.0,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_CDISC,NCI_FDA,SNOMEDCT_US C5561798 Cameras, Video, Security Y 169 UMD C0183210;C1881645 Sensor;Device alarm system Y 170 CHV,CSP,MTH,NCI,NCI_CTRP,NCI_FDA,NCI_NCI-GLOSS,SNOMEDCT_US;UMD C0036861;C0449913 Sewage;System Y 171 MSH,SNOMEDCT_US,CHV,MEDLINEPLUS,LCH_NW,LCH,RCD,CSP;LNC,MTH,NCI,NCI_CDISC-GLOSS,SNOMEDCT_US C0150767 Shelter Facility Y 172 CHV,LNC,MTH,NCI,NCI_CDISC C0179869 Shower chair Y 173 CHV C0336753 Shower bath device Y 174 MTH,SNOMEDCT_US,SNMI,SNM,SCTSPA C1881645 Detached single-family housing Y 175 LNC,MTH,NCI,NCI_CDISC-GLOSS,SNOMEDCT_US C0337514 Sister Y 176 CHV,CSP,HL7V3.0,LNC,MSH,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C2350006 Sister-in-law Y 177 HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR C3845892 Wet/Slippery floor/Surface Y 178 LNC C0037361 Smell Y 179 AOD,CHV,CSP,GO,ICF-CY,LCH,LCH_NW,MSH,MTH,NCI,NCI_NCI-GLOSS,NLMSubSyn,SNM,SNMI,SNOMEDCT_US C0037366;C0180392 Smoke;Detector Y 180 CHV,LCH,LCH_NW,MSH,MTH,SNM,SNMI,SNOMEDCT_US;CHV,CSP,MTH,NCI,SNOMEDCT_US C0037683 Son Y 181 AOD,CHV,HL7V3.0,LNC,MSH,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C2350007 Son-in-law Y 182 HL7V3.0,LNC,MTH,NCI,NCI_GDC,NCI_caDSR C0037709 Sound Y 183 AOD,CHV,CSP,ICF,ICF-CY,LCH,LCH_NW,MSH,MTH,NCI,NLMSubSyn,SNOMEDCT_US C2825408 Stair Y 184 MTH,NCI C2825408;C0206244 Stair;Lift Y 185 MTH,NCI;CHV,ICF,ICF-CY,LNC,MSH,MTH,NCI,SNOMEDCT_US C2825408;C1705114 Stair;Rail Y 186 MTH,NCI;MTH,NCI,NCI_FDA,SNOMEDCT_US C0557651;C1547703 Study;Room Y 187 MTH,SNOMEDCT_US;HL7V2.5,LNC,MTH,NCI C0524709 Subway Y 188 CHV,MSH C0336814 Taxi Y 189 CHV,MTH,SNMI,SNOMEDCT_US C0039461 Television Y 190 AOD,CHV,CSP,LCH,LCH_NW,MSH,MTH,SNOMEDCT_US C0005903;C2587213;C0035201 Temperature;Control;Resource Y 191 AOD,CHV,CSP,ICF,ICF-CY,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,NCI,NCI_CDISC,NCI_ICDC,SNM,SNMI,SNOMEDCT_US;CHV,LCH,MTH,NCI,NCI_caDSR,NLMSubSyn,SNMI,SNOMEDCT_US;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 Temporal;Unit Y 264 MTH,NCI;MTH,SNOMEDCT_US,NCI,CHV,LNC,RCD,SCTSPA C3874196 Toileting assistive device Y 192 SNOMEDCT_US,SCTSPA C5214601 Duplex/townhouse Y 213 LNC C0040756;C0035201 Transportation;Resource Y 193 AOD,CHV,HL7V3.0,LCH,LCH_NW,LNC,MSH,MTH,NCI,NCI_caDSR;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C1314293 Bath/shower chair Y 194 SNOMEDCT_US,HCPCS,SCTSPA C0337577 Uncle Y 195 CHV,HL7V3.0,MTH,NCI,NCI_GDC,NCI_caDSR,SNMI,SNOMEDCT_US C0443343;C2825408 Unstable;Stair Y 196 CHV,LNC,MTH,NCI,NCI_caDSR,SNOMEDCT_US;MTH,NCI C3827843 Terminology value set Y 272 NCI 5 Unmatched Y 214 N/A C3658357 Waste disposal facility Y 197 MSH C0043047 Water Y 198 AOD,CHV,CSP,DRUGBANK,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,MTHSPL,NCI,NCI_CRCH,NCI_FDA,RXNORM,SNM,SNMI,SNOMEDCT_US,VANDF C3692033 Water purification systems, filtering/Deionization Y 199 UMD C0597680;C0035201 Water quality;Resource Y 200 CHV,CSP,LCH_NW,MSH,NLMSubSyn;CHV,MSH,MTH,NCI,NCI_BRIDG_3_0_3,NCI_BRIDG_5_3 C0043047;C4760136 Water;Supply Y 201 AOD,CHV,CSP,DRUGBANK,LCH,LCH_NW,LNC,MEDLINEPLUS,MSH,MTH,MTHSPL,NCI,NCI_CRCH,NCI_FDA,RXNORM,SNM,SNMI,SNOMEDCT_US,VANDF;LNC,MTH C0439230 Week Y 268 MTH ,SNOMEDCT_US ,NCI ,CHV ,LNC ,RCD ,CCPSS ,SCTSPA C5426742 Wifi Y 202 LNC C0242665 Wife Y 203 AOD,CHV,CSP,HL7V3.0,MSH,MTH,NCI,NCI_CDISC,NCI_GDC,NCI_caDSR,SNOMEDCT_US C0518420 Window gurd Y 217 NOC C1704674;C1704783 Window;Lock Y 204 MTH,NCI,NCI_FDA;MTH,NCI C4522306;C0282111 Wire;Internet Y 205 LNC,MTH,NCI;AOD,CHV,CSP,LCH_NW,MSH,MTH,NCI,NCI_CDISC-GLOSS C0439234 Year Y 270 MTH ,SNOMEDCT_US ,NCI ,CHV ,HL7V3.0 ,RCD ,CCPSS ,SCTSPA The Living Environment Ontology (LEO) is a structured framework designed to classify and standardize concepts related to human living conditions. It integrates keywords and concepts from diverse sources, such as questionnaires, references, and abstracts, to create a comprehensive ontology for assessing human living environments. Jinsun Jung; Jinsol Kim; Hyorim Yoo; Hyeonui Kim Living Environment Ontology