Table 3

Intervention effects after 12 months of follow-up for barriers for implementation, behavioural determinants and behaviour in the intervention group compared with the control group (reference group)

Crude*Adjusted†
Outcome variablesB/OR (95% CI)B/OR (95% CI)
Barriers for implementation
 Awareness ((totally) agree) (OR, 95% CI)5.43 (2.96 to 9.97)6.30 (3.41 to 11.63)
 Knowledge (B, 95% CI)0.72 (0.49 to 0.96)0.74 (0.54 to 0.95)
 Receiving information (yes) (OR, 95% CI)9.20 (5.31 to 15.92)9.81 (5.60 to 17.18)
Behavioural determinants
 Attitude: Important to protect hands ((totally) agree) (OR, 95% CI)1.08 (0.57 to 2.07)1.12 (0.57 to 2.22)
 Attitude: Content with protective measures ((totally) agree) (OR, 95% CI)1.37 (0.85 to 2.20)1.37 (0.84 to 2.26)
 Social influence (B, 95% CI)0.02 (−0.13 to 0.17)0.03 (−0.14 to 0.19)
 Self-efficacy (B, 95% CI)0.03 (−0.08 to 0.15)0.04 (−0.07 to 0.15)
 Intention (B, 95% CI)0.03 (−0.10 to 0.16)0.02 (−0.11 to 0.15)
Behaviour
 Washing hands (B, 95% CI)−0.41 (−0.52 to −0.29)−0.40 (−0.51 to −0.29)
 Wet work (B, 95% CI)−0.07 (−0.19 to 0.05)−0.08 (−0.18 to 0.03)
 Use of moisturiser (B, 95% CI)0.27 (0.18 to 0.37)0.29 (0.20 to 0.38)
 Use of disinfectant (B, 95% CI)0.04 (−0.09 to 0.17)0.05 (−0.06 to 0.16)
 Wearing gloves (B, 95% CI)−0.21 (−0.56 to 0.15)−0.22 (−0.60 to 0.15)
 Use of body lotion (no, never) (OR, 95% CI)1.21 (0.72 to 2.01)1.07 (0.64 to 1.79)
 Wearing jewellery (no, never) (OR, 95% CI)1.06 (0.55 to 2.02)1.03 (0.54 to 1.97)
 Wearing cotton under gloves (once in a while/daily) (OR, 95% CI)3.68 (1.97 to 6.88)3.94 (2.04 to 7.60)
 Compliance to guideline (B, 95% CI)0.15 (0.03 to 0.28)0.14 (0.02 to 0.26)
  • *Adjusted for the baseline value of the particular outcome variable.

  • †Adjusted for baseline values of: age, gender, education level, number of working hours per week, having patient-related tasks, decision authority, coworker support, symptoms of hand eczema and hand eczema. B, beta.