Table 1.

The clustering results of keywords co word analysis.

Cluster 1	Cluster 2	Cluster 3
Safety Climate; Risk perception; Risk propensity; Feed back; Responses; Attention; Dimensions; Workload; Demands-resources model; 5-factor model; Scale; Simulation; Case study	Performance; Safety; (Construction Safety); Tracking; Action recognition; Behavior recognition; Fusion; Exposure; Motion capture; Human factors; Neural network ; Data mining; Prediction; Falls; Planned behavior	Management; System; Framework; Bim; Occupational-health; Site safety ; Information; Building information modeling; Warning System; Metro construction; Virtual reality; Reliability
Cluster 4	Cluster 5	Cluster 6
Industry; Safety performance; Environment; Workplace; Health; Projects; Social identity; Fit indexes; Leadship; Complex system accidents; Motiration; Supervisors; Personal protective; equipment	Workers; Construction project; Design; Deep learning; Neural-networks; Semantic Trajectories; Struck-by	Injury; Risk; Occupational Injury; Masculinity; Transformational-leadership; Fatalities; Identifying root Causes; Work; Hong-kong