Table 1 Baseline characteristics of the study population
Variable | n (%) – N = 423 | 95% Confidence interval |
|---|---|---|
Age, mean in years | 53.7 | 51.7–55.3 |
Sex | ||
Male Female | 251 (59.3) 172 (40.7) | 0.55–0.64 0.36–0.46 |
Education* | ||
Low Middle High Missing | 159 (37.6) 124 (29.3) 133 (31.4) 7 (1.7) | 0.33–0.42 0.25–0.34 0.27–0.36 |
Migration background** | ||
Native Dutch No native Dutch Missing | 272 (64.3) 145 (34.3) 6 (1.4) | 0.60–0.69 0.30–0.39 |
Previous ED visits in last 3 years | ||
0 1–2 ≥ 3 Missing | 201 (47.5) 121 (28.6) 98 (23.2) 3 (0.7) | 0.43–0.52 0.25–0.33 0.19–0.27 |
Referral | ||
Self-referral Referral by general practitioner/specialist | 215 (50.8) 208 (49.2) | 0.46–0.56 0.44–0.54 |
Arrival | ||
Own transportation Ambulance | 306 (72.3) 117 (27.7) | 0.68–0.76 0.24–0.32 |
Shift | ||
Day Evening Night | 241 (57.0) 146 (34.5) 36 (8.5) | 0.52–0.62 0.30–0.39 0.06–0.12 |
Day | ||
Monday–Friday Weekend | 313 (74.0) 110 (26.0) | 0.70–0.78 0.22–0.30 |
Triage category | ||
Orange Yellow Green Missing | 61 (14.4) 262 (61.9) 98 (23.2) 2 (0.4) | 0.11–0.18 0.57–0.66 0.19–0.27 |
Destination after ED visit | ||
Discharged Admission Transfer to other hospital Left against medical advice | 265 (62.6) 130 (30.7) 26 (6.1) 2 (0.5) | 0.58–0.67 0.26–0.35 0.04–0.09 |
Length of stay ED visit, mean in minutes | 253 | 253–271 |