Table 1

Contributing input and target features

HRI precursor levelsPrecursor typesPrecursor categoriesFeaturesFeature type
Non-climaticConstruction projectProject end-useTower, tank, storage elevator; sewer/water treatment plant; refinery; other buildings; single family or duplex dwelling; multi-family dwelling; commercial building; powerline, transmission line; pipeline; powerplant; manufacturing plant; highway, road, street; bridge; other heavy constructionCategorical
 Project costUnder $50,000; $50,000 to $250,000; $250,000 to $500,000; $500,000 to $1M; $1M to $5M; $5M to $20M; over $20MCategorical
 Project typeNew project or new addition; alteration or rehabilitation (renovation); maintenance or repair; demolition; otherCategorical
IndividualAgeYounger than 35; older than 35Binary
NLP-extracted phrasesActivity-relatedA1-A12Categorical
 Worker-relatedW1-W10Categorical
 Employer-relatedE1-E8Categorical
ClimaticDaily temperatureTemperature anomalyPositive temperature departure; negative temperature departureBinary
Climate zoneKGCCAf; Am; Aw; BSh; BSk; BWh; BWk; Cfa; Csa; Csb; Dfa; DfbCategorical
Target featureIncident resultLevel of HRIFatal; non-fatalBinary
Source(s): Authors’ own work

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