Table 3.
Results of the meta-regression model
| Moderators | Coefficient | Standard error | P-value |
|---|---|---|---|
| Mean age | 0.069 | 0.022 | 0.001* |
| Sample size | 0.000 | 0.000 | 0.928 |
| Gender (male ratio) | −0.078 | 1.191 | 0.948 |
| Inception of survey | −0.007 | 0.018 | 0.721 |
| Definition of hypertension | 0.363 | ||
| ≥ 140/90 OR medicine | Reference | ||
| ≥ 140/90 | −0.167 | 0.183 | 0.363 |
| Quality score of study | −0.057 | 0.061 | 0.347 |
| Quality grade | 0.027* | ||
| middle | Reference | ||
| high | −0.351 | 0.155 | 0.023* |
| low | −0.568 | 0.255 | 0.026* |
| Measurement device | 0.769 | ||
| manual | Reference | ||
| digital | −0.0497 | 0.1696 | 0.769 |
*P < 0.05