Table 1.
Participant characteristics
| All groups (n = 363) | Video group (n = 116) | SOP group (n = 119) | No-intervention group (n = 128) | ||
|---|---|---|---|---|---|
| Age in years, median (IQR) | 34 | 34 | 33 | 33 | |
| (28–42) | (28–42.5) | (28–41) | (28–42) | ||
| Female gender (%) | 284 (78.2) | 27 (76.7) | 96 (80.7) | 99 (77.3) | |
| Profession (%) | Physician | 91 (25.1) | 25 (21.6) | 34 (28.6) | 32 (25) |
| Nurse, nursing assistant, midwife | 237 (65.3) | 75 (64.7) | 76 (63.9) | 86 (67.2) | |
| Other profession (e.g. radiographer, therapist) | 35 (9.6) | 16 (13.8) | 9 (7.6) | 10 (7.8) | |
| Professional experience (%) | < 1 year | 29 (8.0) | 13 (11.2) | 7 (5.9) | 9 (7) |
| 1–5 years | 114 (31.4) | 29 (25) | 42 (35.3) | 43 (33.6) | |
| 5–10 years | 69 (19.0) | 24 (20.7) | 25 (21.0) | 20 (15.6) | |
| > 10 years | 151 (41.6) | 50 (43.1) | 45 (37.8) | 56 (43.8) | |
| Duration of employment at the UHZ (%) | < 1 year | 70 (19.3) | 27 (23.3) | 20 (16.8) | 23 (18.0) |
| 1–5 years | 156 (43.0) | 42 (36.2) | 60 (50.4) | 54 (42.2) | |
| 5–10 years | 65 (17.9) | 23 (19.8) | 18 (15.1) | 24 (18.8) | |
| > 10 years | 72 (19.8) | 24 (20.7) | 21 (17.7) | 27 (21.1) | |
| Are you familiar with the term "Standard precautions"? | Yes, I’m very familiar | 123 (33.9) | 41 (35.3) | 30 (33.6) | 42 (32.8) |
| I know some elements of standard precautions | 163 (44.9) | 55 (47.4) | 51 (42.9) | 57 (44.5) | |
| I can imagine what it is about | 72 (19.8) | 19 (16.4) | 27 (22.7) | 26 (20.3) | |
| Does not mean anything to me | 5 (1.4) | 1 (0.8) | 1 (0.8) | 3 (2.3) | |
| Is familiar with the IPC concept of the UHZ and its SOP | 307 (84.6) | 101 (87.1) | 103 (86.6) | 103 (80.5) | |
| Did read the SOP about “Standard precautions - the basics” (outside study setting) | 178 (49) | 60 (51.7) | 57 (47.9) | 61 (47.7) | |
| Did read the entire SOP about “Standard precautions - the basics” (outside study setting) | 53 (14.6) | 21 (18.1) | 16 (13.4) | 16 (12.5) | |
| Did read the SOP about “Standard precautions - the basics” more than once (outside study setting) | 79 (21.8) | 33 (28.4) | 21 (17.6) | 25 (19.5) | |
| Did read the SOP about “Standard precautions - the basics” during the previous month (outside study setting) | 70 (19.3) | 26 (22.4) | 24 (20.2) | 20 (15.6) | |
Abbreviations: IQR Interquartile range, SOP Standard Operating Procedure, UHZ University Hospital Zurich