Influencing mechanism of risk propensity on hazard perception of new generation of construction workers

doi:10.16265/j.cnki.issn1003-3033.2023.05.2044

Abstract

Abstract:

In order to explore the differences in hazard perception levels among the new generation of construction workers with different risk propensities and enhance the risk perception level of different risk propensity groups in a personalized manner, 39 pictures containing hazards in the workplace were selected carefully, hazard perception data from 45 subjects was tested and collected by fixed eye-tracking device, and their risk propensity data was collected by questionnaire. Then permutation test, the heat map and the scan path map were used to analyze and verify data. Finally, the influencing mechanism of risk propensity on hazard perception of the new generation of construction workers was clarified. The results show that there are significant differences in the hazard perception level of the new generation of construction workers with different risk propensity. Compared with the high-risk propensity group, the low-risk propensity group exhibits fewer perceived quantity of hazards, shorter first fixation time, longer dwell percentage and more run counts. Although the number of hazards perceived by the new generation of construction workers with low-risk propensity is lower, they pay more attention to the identified hazards than those with high-risk propensity.

Key words: risk propensity, new generation of construction workers, hazard perception, influencing mechanism, eye movement experiment, permutation test

NI Guodong, FANG Yaqi, ZHANG Qi, DING Zhihua. Influencing mechanism of risk propensity on hazard perception of new generation of construction workers[J]. China Safety Science Journal, 2023, 33(5): 221-229.

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分组	个案数	平均值/个	标准差/个	最小值/个	最大值/个	p
低风险倾向	23	117	8	103	134	0.005
高风险倾向	22	123	4	114	129	0.005

安全隐患	AOI数量	分组	个案数	均值/ms	标准差/ms	p
高处坠落	39	低风险倾向	23	2 640.114	747.914	0.044
高处坠落	39	高风险倾向	22	3 035.424	495.630	0.044
物体打击	21	低风险倾向	23	3 642.849	840.270	0.110
物体打击	21	高风险倾向	22	4 000.697	625.906	0.110
机械伤害	33	低风险倾向	23	4 242.461	989.385	0.008
机械伤害	33	高风险倾向	22	4 929.816	630.855	0.008
场地杂乱	30	低风险倾向	23	4 339.690	1 127.835	0.342
场地杂乱	30	高风险倾向	22	4 680.518	1 265.052	0.342
触电	12	低风险倾向	23	3 830.287	1 551.486	0.662
触电	12	高风险倾向	22	3 660.363	884.011	0.662

安全隐患	AOI数量	分组	个案数	均值	标准差	p
高处坠落	39	低风险倾向	23	0.176	0.051	0.009
高处坠落	39	高风险倾向	22	0.142	0.031	0.009
物体打击	21	低风险倾向	23	0.099	0.023	0.279
物体打击	21	高风险倾向	22	0.092	0.019	0.279
机械伤害	33	低风险倾向	23	0.140	0.027	0.000
机械伤害	33	高风险倾向	22	0.110	0.015	0.000
场地杂乱	30	低风险倾向	23	0.089	0.027	0.614
场地杂乱	30	高风险倾向	22	0.085	0.015	0.614
触电	12	低风险倾向	23	0.150	0.068	0.023
触电	12	高风险倾向	22	0.114	0.036	0.023

安全隐患	AOI数量	分组	个案数	均值/次	标准差/次	p
高处坠落	39	低风险倾向	23	3.494	0.735	0.005
高处坠落	39	高风险倾向	22	2.994	0.395	0.005
物体打击	21	低风险倾向	23	2.528	0.454	0.097
物体打击	21	高风险倾向	22	2.336	0.307	0.097
机械伤害	33	低风险倾向	23	2.915	0.481	0.003
机械伤害	33	高风险倾向	22	2.537	0.308	0.003
场地杂乱	30	低风险倾向	23	2.396	0.471	0.053
场地杂乱	30	高风险倾向	22	2.171	0.246	0.053
触电	12	低风险倾向	23	2.956	0.765	0.362
触电	12	高风险倾向	22	2.763	0.625	0.362