Table 2.

Odds ratios for opportunities presented to healthcare workers in final model

Variable	Adjusted odds ratio (95% CI)
Profession   Doctor   Nurse   Allied health professional   Ancillary and other staff	1 1.3 (1.04 to 1.86) 1.52 (1.07 to 2.15) 1.17 (0.80 to 1.72)
Ward  Respiratory medicine   Baseline   Point 1   Point 2   Point 3  Diabetic unit   Baseline   Point 1   Point 2   Point 3	1 11.70 (5.82 to 23.54) 2.26 (1.32 to 3.86) 2.50 (1.45 to 4.32) 0.63 (0.43 to 0.92) 7.34 (3.71 to 14.50) 1.42 (0.85 to 2.37) 1.57 (0.92 to 2.65)
Time of day   Morning   Afternoon   Night	1 1.23 (0.98 to 1.55) 1.29 (1.02 to 1.64)
Type of opportunitya  Before patient contact   Baseline   Point 1   Point 2   Point 3  After body fluid exposure   Baseline   Point 1   Point 2   Point 3  After patient contact   Baseline   Point 1   Point 2   Point 3  After contact with patient surroundings   Baseline   Point 1   Point 2   Point 3	1 2.72 (1.47 to 5.04) 1.17 (0.71 to 1.95) 1.57 0.93 to 2.65) 9.55 (2.12 to 42.97) 25.97 (4.64 to 145.4) 4.43 (2.01 to 9.76) 1.75 (0.61 to 5.01) 5.32 (2.63 to 10.75) 1.43 (0.80 to 2.55) 1.38 (0.80 to 2.36) 3.00 (1.61 to 5.60) 0.65 (0.41 to 1.03) 0.36 (0.19 to 0.70) 0.97 (0.49 to 1.91) 0.85 (0.47 to 1.52)

^aReference category is ‘before patient contact’ opportunity at baseline