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Table 5 Factors associated with occupational injuries among building construction workers in Kampala, Uganda

From: Determinants of occupational injuries among building construction workers in Kampala City, Uganda

Variables Injury cPR [95% CI] P-value aPR[95% CI] P-value
Yes No
Work designation
 Carpenters 12 (37.50) 20 (62.50) 1   1  
 Causal labourers 30 (22.90) 101 (77.10) 0.61 [0.37–1.05] 0.07 0.62 [0.38–1.01] 0.66
 Masons 35 (41.18) 50 (58.82) 1.09 [0.65–1.83] 0.72 0.80 [0.50–1.28] 0.36
 Others 26 (37.14) 44 (62.86) 0.99 [0.57–1.70] 0.97 1.19 [0.71–1.77] 0.59
Sex
 Female 6 (20.69) 23 (79.31) 1   1  
 Male 7 (33.56) 192 (66.44) 1.62 [0. 78–3.37] 0.195 1.19 [0.61–2.35] 0.60
Highest Education Level
 Tertiary 28 (34.15) 54 (65.85) 1   1  
 Primary 24 (30.77) 54 (69.23) 0.90 [0.57–1.41] 0.30 1.05 [0.67–1.64] 0.82
 Secondary 49 (32.67) 101 (67.33) 0.95 [0.65–1.39] 0.71 1.15 [0.79–1.66] 0.44
 None 2 (25.00) 6 (75.00) 0.73 [0.21–2.53] 0.21 1.42 [0.57–3.54] 0.45
Age
 35+ 11 (22.0) 39 (79.0) 1   1  
  ≤ 24 42 (36.52) 73 (63.48) 1.66 [0.93–2.95] 0.17 2.09 [1.20–3.65] 0.009*
 25–34 50 (32.68) 103 (67.32) 1.48 [0.84–2.63] 0.08 1.68 [0.97–2.89] 0.06
Employment Terms
 Contract 25 (28.74) 62 (71.26) 1   1  
 Temporary 78 (33.77) 153 (66.23) 1.17 [0.80–1.71] 0.402 0.91 [0.63–1.32] 0.63
Experience in building Construction
 1–4 years 28 (24.14) 88 (75.86) 1   1  
  < 1 year 44 (33.59) 87 (66.41) 1.39 [0.93–2.08] 0.11 1.14 [0.78–1.64] 0.49
  > 4 years 31 (43.66) 40 (56.34) 1.81 [1.19–2.74] 0.005* 1.37 [0.91–2.07] 0.13
Ever had health and safety training
 Yes 45 (29.61) 107 (70.39) 1   1  
 No 58 (34.94) 108 (65.06) 1.18 [0.85–1.62] 0.31 1.20 [0.88–1.64] 0.24
Working hours
 8–10 44 (28.39) 111 (71.61) 1   1  
 11–12 59 (36.20) 104 (63.80) 1.27 [0.92–1.76] 0.14 1.05 [0.77–1.44] 0.73
Daily income (Quartiles)
 First 24 (23.3) 83 (38.60) 1   1  
 Second 18 (17.48) 64 (29.77) 0.98 [0.57–1.67] 0.93 0.91 [0.54–1.51] 0.75
 Third 32 (31.07) 38 (17.67) 2.03 [1.31–3.15] 0.001* 1.72 [1.06–2.80] 0.028*
 Fourth 29 (28.16) 30 (13.95) 2.19 [1.41–3.19] < 0.001* 1.72 [1.07–2.77] 0.025*
Job dissatisfaction
 No 36 (46.75) 174 (72.20) 1   1  
 Yes 67 (27.80) 41 (53.25) 1.68 [1.23–2.30] 0.001* 1.63 [1.17–2.27] 0.004*
Job stress
 No 35 (22.88) 97 (58.79) 1   1  
 Yes 68 (41.21) 118 (77.12) 1.80 [1.27–2.54] 0.001* 1.72 [1.22–2.41] 0.002*
Poor safety environment
 No 55 (26.19) 155 (73.81) 1   1  
 Yes 48 (44.44) 60 (55.56) 1.69 [1.24–2.31] 0.001* 1.51 [1.10–2.05] 0.009*
Risk taking behaviour
 No 71 (29.83) 167 (70.17) 1   1  
 Yes 32 (40.00) 48 (60.00) 1.34 [0.96–1.86] 0.08 1.24 [0.87–1.78] 0.22
PPE Provision
 Employer 60 (27.52) 158 (72.48) 1   1  
 Workers 43 (43.00) 57 (57.00) 1.56 [1.14–2.13] 0.005* 1.47 [1.05–2.05] 0.02*
Use of PPE
 Always 36 (34.62) 68 (65.38) 1   1  
 Sometimes 15 (22.39) 52 (77.61) 0.64 [0.38–1.08] 0.10 0.57 [0.34–0.95] 0.03*
 Never 52 (35.37) 95 (64.63) 1.02 [0.72–1.44] 0.90 0.78 [0.55–1.10] 0.16
  1. *Significant association; cPR crude Prevalence Ratio, aPR adjusted crude Prevalence Ratio; Others = Designers, electricians, equipment operators, supervisors, cooks, guards, plumbers and trainees