Table 3.
Predictors of using EMS as FMC,* n=422
| Variable | OR | 95% CI | p Value | R2 change | Total R2 |
|---|---|---|---|---|---|
| Block 1: Sociodemographics | 0.008 | 0.010 | |||
| Gender, female | 0.64 | 0.37 to 1.10 | 0.11 | ||
| Age | 1.02 | 0.99 to 1.04 | 0.10 | ||
| Marital status, co-habiting | 1.09 | 0.71 to 1.67 | 0.70 | ||
| Education, >9 years | 0.92 | 0.59 to 1.45 | 0.73 | ||
| Block 2: Comorbidities | 0.053 | 0.071 | |||
| Atrial fibrillation | 3.81 | 1.14 to 12.74 | 0.03 | ||
| Myocardial infarction | 2.18 | 1.03 to 4.62 | 0.04 | ||
| Heart failure | 3.52 | 0.36 to 34.54 | 0.28 | ||
| Block 3: Symptomatology | 0.125 | 0.167 | |||
| Chest pain | 1.21 | 0.60 to 2.44 | 0.60 | ||
| Pain in the stomach | 0.35 | 0.14 to 0.87 | 0.02 | ||
| Radiating pain in the arm(s) | 1.53 | 0.94 to 2.47 | 0.08 | ||
| Cold sweat | 1.40 | 0.88 to 2.26 | 0.16 | ||
| Pain intensity, on the NRS | 1.10 | 0.99 to 1.24 | 0.08 | ||
| Symptom burden | 1.08 | 0.96 to 1.21 | 0.21 | ||
| Symptom interpretation, ie, from the heart | 1.60 | 1.02 to 2.52 | 0.04 | ||
| Block 4: Contextual factors | 0.127 | 0.169 | |||
| Alone when falling ill | 1.08 | 0.66 to 1.74 | 0.77 | ||
| Falling ill during a weekend | 1.15 | 0.73 to 1.81 | 0.55 | ||
| Symptom onset, between 18:00–6:00 | 1.15 | 0.74 to 1.78 | 0.54 |
Omnibus p Value <0.001.
*Regression conducted using hierarchical logistic regression.
EMS, Emergency Medical Services; FMC, first medical contact; NRS, numeric rating scale.