Table 1.
Baseline demographics of the 203 participants divided by follow-up groups
| Short follow-up | Medium follow-up | Long follow-up | P-value | |
|---|---|---|---|---|
| Number of participants, N: | 63 | 74 | 66 | |
| Gender, N (%): | ||||
| - Female | 44 (69.8) | 52 (70.3) | 46 (69.7) | |
| - Male | 19 (30.2) | 22 (29.7) | 20 (30.3) | 0.997 |
| Junior and senior students, N (%): | ||||
| - Junior* | 27 (42.9) | 30 (40.5) | 27 (40.9) | |
| - Senior | 36 (57.1) | 44 (59.5) | 39 (59.1) | 0.959 |
| Age, mean (SD): | 26.2 (9.9) | 24.4 (2.1) | 24.7 (2.5) | 0.157 |
| Response rate: | 62/63 | 74/74 | 66/66 | |
| No. of ECGs interpreted during the past | ||||
| year, mean (SD): | 14.6 (17.7) | 23.9 (35.0) | 20.4 (19.9) | 0.120 |
| Response rate: | 61/63 | 73/74 | 64/66 | |
| Total time spend on ECG interpretation, | ||||
| mean hours (SD): | 9.7 (8.5) | 13.7 (17.6) | 12.6 (9.6) | 0.194 |
| Response rate: | 61/63 | 74/74 | 65/66 | |
| Interest in cardiology as a specialty, N (%): | ||||
| - Yes | 20 (31.7) | 26 (35.1) | 20 (30.3) | |
| - No/do not know | 42 (66.7) | 46 (62.2) | 45 (68.2) | 0.789 |
| Response rate: | 62/63 | 72/74 | 65/66 | |
| Other relevant experiences, N (%): | ||||
| - Clinical clerkship in cardiology | 16 (25.4) | 14 (18.9) | 14 (21.2) | |
| - Other ECG or cardiology courses | 8 (12.7) | 14 (18.9) | 11 (16.7) | |
| - Locum at a hospital | 6 (9.5) | 8 (10.8) | 6 (9.1) | |
| - Research involving ECG interpr. | 2 (3.2) | 1 (1.4) | 3 (4.5) | |
| - Teaches ECG interpretation etc. | 1 (1.6) | 1 (1.4) | 0 | |
| - Previously trained nurse etc. | 1 (1.6) | 0 | 1 (1.5) | |
| - Other | 6 (9.5) | 7 (9.5) | 7 (10.6) | |
| - None | 32 (50.8) | 40 (54.1) | 36 (54.5) | |
| Response rate: | 63/63 | 74/74 | 65/66 |
*Junior students are defined as students that have not participated in at least one lecture of the cardiorespiratory course on the 4th year.