Table 2.
Characteristics of participants from the two study hospitals
| Characteristics | Hospital A (n = 492) |
Hospital B (n = 327) |
p-value |
|---|---|---|---|
| Profession, n (%) | 0.658 | ||
| Registered nurse | 311 (63.2) | 201 (61.5) | |
| Assistant nurse | 181 (36.8) | 126 (38.5) | |
| Departments, n (%) | < 0.001* | ||
| Cardiology | 186 (37.8) | 62 (19.0) | |
| Internal Medicine | 223 (45.3) | 180 (55.0) | |
| Surgery | 83 (16.9) | 85 (26.0) | |
| Years in profession, median (IQR) | 8 (3.5–18) | 5 (2–13) | < 0.001* |
| Graduation year | 0.045* | ||
| Before 1990 | 65 (13.3) | 25 (7.7) | |
| 1990–1999 | 80 (16.4) | 48 (14.8) | |
| After 1999 | 342 (70.1) | 252 (77.5) | |
| Missing | 1 (0.2) | 0 (0.0) | |
| Years at present department, median (IQR) | 3 (1–8) | 2 (1–6) | 0.019* |
| Work shift, n (%) | < 0.001* | ||
| Day/evening shift | 237 (48.2) | 198 (60.6) | |
| Night shift | 66 (13.4) | 51 (15.6) | |
| Alternating shifts (day/evening/night) | 181 (36.8) | 77 (23.5) | |
| Other answers | 8 (1.6) | 1 (0.3) | |
| Frequency of IUC-insertion, n (%) | 0.657 | ||
| 2 times or more/week | 26 (5.3) | 20 (6.1) | |
| 1–5 times/month | 212 (43.1) | 143 (43.7) | |
| Less frequently | 249 (50.6) | 163 (49.8) | |
| Other answers | 2 (0.4) | 0 | |
| Missing | 3 (0.6) | 1 (0.3) | |
| Origin of the insertion technique, n (%) | 0.459 | ||
| The hospital guidelines | 287 (60.3) | 202 (62.9) | |
| Other answers | 189 (39.7) | 119 (37.1) | |
| (national guideline, nursing school, local routine at ward, don’t know) | |||
* A p-value < 0.05 was considered as a statistically significant difference between hospital A and hospital B