Table 4.
Stepwise forward regression model: difference in DBP mercury readings made 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) | -0.392 | -8.192 | < 0.001 |
| Family history of hypertnsion | ||||
| Negative | Positive | 0.241 | 4.972 | 0.024 |
| Mistake during BP measurement: not being in seated position | ||||
| No | Yes | 0.116 | 10.520 | 0.275 |
| Age | 0.227 | 0.230 | 0.040 | |
| Mistake during BP measurement: no back support | ||||
| No | Yes | 0.154 | 3.460 | 0.131 |
| Chronic comorbidities | ||||
| No | Yes | -0.145 | -3.148 | 0.169 |
| Mistake during measurement: incorrect pressure gauge cuff placement | ||||
| No | Yes | -0.131 | -3.166 | 0.199 |