Validation of ethnicity in administrative hospital data in women giving birth in England: cohort study
Objective To describe the accuracy of coding of ethnicity in National Health Service (NHS) administrative hospital records compared with self-declared records in maternity booking systems, and to assess the potential impact of misclassification bias.Design Secondary analysis of data from records of...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2021-08-01
|
| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/11/8/e051977.full |