Research Article
Psychosocial and Ergonomic Conditions at Work: Influence on the Probability of a Workplace Accident
Table 2
Variables considered for the Bayesian network. Source: data of 7th NSWC.
| | Group | Variables | Categories | Observation | α-Cronbach |
| | Accident | V1 | Yes
686 | No
8194 | | | | | |
| | Sector | V2 | Agrarian
456 | Industry
1446 | Construction
596 | Services
6382 | | | |
| | Demographics | V3: geographical zone | North
2313 | Mediterranean
2950 | Centre
1753 | South
1864 | | | | | V4: age | ≤34 years
2201 | 34 < x ≤ 44
2909 | 44 < x ≤ 54
2497 | >54 years
1261 | DK/NA
12 | | | | V5: educational studies | Primary
3158 | Further ed.
3203 | Higher ed.
2489 | DK/NA
30 | | | | | V6: nationality | Spanish
8059 | Other
813 | DK/NA
8 | | | | | | V7: gender | Man
4753 | Woman
4127 | | | | | |
| | Employment | V8: contract | Permanent
5285 | Temporary
1858 | Others/self-emp. 1733 | DK/NA
4 | | | | | V9: experience | ≤2 years
1764 | 2 < x ≤ 6
2568 | 6 < x ≤ 12
2118 | >12 years
2406 | DK/NA
24 | | | | V10: hours a week | ≤38 h/wk.
2919 | 38 < x ≤ 40
3961 | >40 h/wk.
1906 | DK/NA
94 | | | | | V11: level of employment | Employee
6311 | Management
1142 | Director
1395 | DK/NA
32 | | | | | V12: hours | Flexi time
3468 | Full time
3161 | Shifts
2017 | Others
221 | DK/NA
13 | | | | V13: staff | Micro <10 emp. 3935 | SME 10–250
3693 | Large >250 emp.
1252 | | | | |
| | Safety | V14: risk evaluation | Yes
2993 | No
3971 | DK/NA
1916 | | | | | | V15: protective gear | Yes
2902 | No
5204 | DK/NA
774 | | | | | | V16: information | Yes
7653 | No
1118 | DK/NA
109 | | | | | | V17: training | Yes
5164 | No
3613 | DK/NA
103 | | | | |
| | Hygiene | V18: noise | Yes
3164 | No
5657 | DK/NA
59 | | | | | | V19: vibrations | Yes
1249 | No
7601 | DK/NA
30 | | | | | | V20: haz. rays/waves | Yes
746 | No
8099 | DK/NA
35 | | | | | | V21: toxins | Yes
1347 | No
7510 | DK/NA
23 | | | | | | V22: smoke (environ.) | Yes
1465 | No
7388 | DK/NA
27 | | | | | | V23: infection | Yes
649 | No
8148 | DK/NA
83 | | | | |
| | Ergonomics | V24: physical effort | Always
24 | Often
262 | At times
1767 | Rarely
4527 | Never
2300 | Multiple choice | 0.764 | | V25: workload | Always
403 | Often
2667 | At times
3794 | Rarely
1855 | Never
161 | Multiple choice | 0.70 |
| | Psychosocial | V26: social support | Always
3704 | Often
1615 | At times
1598 | Rarely
660 | Never
1303 | Multiple choice | 0.77 | | V27: personal development | Always
3021 | Often
2996 | At times
1852 | Rarely
779 | Never
232 | Multiple choice | 0.798 | | V28: independence at work | Always
1952 | Often
1671 | At times
2167 | Rarely
1652 | Never
1438 | Multiple choice | 0.902 | | V29: concerns | Always
2882 | Often
4092 | At times
1506 | Rarely
369 | Never
31 | Multiple choice | 0.902 |
|
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DK/NA = do not know/no answer; SME = small and medium enterprise; Haz = hazardous.
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