| Such misclassification arises from generally known inaccuracies in death certification. |
| Missing data occurred owing to misclassification, students moving schools or being absent on the day of testing, or failure to complete the questionnaire. |
| For a source of bias to influence our findings systematically, any misclassification would have to be related to prolonged waiting, which seems unlikely. |
| A greater limitation is the misclassification of self reported birth weight, weight, or height, which may have caused some bias towards the null. |
| The misclassification of workers, and the devastating wage theft, ends here. |
| Firstly, blood pressure measurements taken once during each five year interval may have resulted in some misclassification of hypertension. |
