Table 5.
Univariate and multivariate logistic regression of factors associated with the level of ECG knowledge among ICU nurses.
| Variables | ECG interpretation knowledge | ||||
|---|---|---|---|---|---|
| COR (95% CI) | p-value | AOR (95% CI) | p-value | ||
| Working hospital’s official grade certification | |||||
| Grade A level II hospitals | 1 | 1 | |||
| Grade B tertiary hospitals | 0.26 (0.13–0.51) | <0.001 | 0.77 (0.29–2.02) | 0.588 | |
| Grade A tertiary hospitals | 0.32 (0.18–0.57) | <0.001 | 0.69 (0.31–1.56) | 0.377 | |
| Currently working unit | |||||
| Emergency ICU | 0.50 (0.20–1.28) | 0.149 | 0.43 (0.13–1.37) | 0.158 | |
| General ICU | 0.58 (0.33–1.03) | 0.067 | 0.45 (0.21–0.94) | 0.035 | |
| Medical ICU | 0.31 (0.15–0.64) | 0.002 | 0.28 (0.12–0.67) | 0.004 | |
| Surgical ICU | 0.04 (0.01–0.33) | 0.003 | 0.05 (0.01–0.43) | 0.006 | |
| Cardiac ICU | 1 | 1 | |||
| Previous ECG training course | |||||
| Yes | 2.65 (1.64–4.26) | <0.001 | 3.98 (2.12–7.45) | <0.001 | |
| No | 1 | 1 | |||
| Source of ECG training course | |||||
| Hospital training | Yes | 1.64 (1.03–2.59) | 0.036 | 0.73 (0.39–1.38) | 0.330 |
| No | 1 | 1 | |||
| Clinical practice | Yes | 0.41 (0.25–0.63) | <0.001 | 0.63 (0.33–1.21) | 0.164 |
| No | 1 | 1 | |||
| Desire to learn ECG interpretation | |||||
| Yes | 2.57 (1.56–4.26) | <0.001 | 1.56 (0.81–3.03) | 0.184 | |
| No | 1 | 1 | |||
| Frequency of ECG interpretation | |||||
| 1-3times/day | 16.72 (7.21–38.77) | <0.001 | 15.55 (6.33–38.18) | <0.001 | |
| 1-3times/week | 22.49 (8.92–56.66) | <0.001 | 18.10 (6.38–51.34) | <0.001 | |
| 1-3times/month | 2.07 (0.57–7.48) | 0.268 | 2.60 (0.68–9.97) | 0.164 | |
| 1-3times/year | 3.91 (0.71–21.61) | 0.119 | 2.62 (0.45–15.34) | 0.287 | |
| None | 1 | 1 | |||
COR, crude odds ratio; AOR, adjusted odds ratio; CI, confidence interval; bolded values, statistically significant p < 0.05.