Table 3.
Stepwise forward regression model: difference in SBP mercury readings performed by patients and researchers with patient characteristics (reference group indicated in italics)
| Patient characteristics | ||||
|---|---|---|---|---|
| Variable | Comparison | Beta | b | p |
| Education | ||||
| Less than high school (EQF 1–3) | High school equivalent (EQF 4–6) | -0.298 | -7.956 | 0.004 |
| Chronic comorbidities | ||||
| No | Yes | -0.321 | -8.899 | 0.002 |
| Mistake during BP measurement: incorrect pressure gauge cuff placement | ||||
| No | Yes | 0.259 | 3.069 | 0.011 |
| BMI | 0.155 | 0.420 | 0.125 | |
| Mistake during BP measurement: compression of clothing on the frame | ||||
| No | Yes | -0.139 | -4.286 | 0.166 |