Background
Methods
Study design
Study setting and population
Sampling
Postal survey administration
Confirmation of immunization status and data analysis
Results
Survey response
Amount and reasons for error
Clinic record (Gold standard) | ||||
---|---|---|---|---|
UTD | Not UTD | Total | ||
Registry
|
UTD
| 315a
| 0a
| 315 |
Not UTD
| 16b,c
| 130a
| 146 | |
Total
| 331 | 130 | 461 | |
Parent report
|
UTD
| 329a
| 42b,c
| 371 |
Not UTD
| 2b,c
| 88a
| 90 | |
Total
| 331 | 130 | 461 |
Types of errors in registry
|
n
| ||
Dose not entered in registry | 1 | ||
History of varicella disease not entered in registry | 4 | ||
Fewer doses required due to age at first dose, but not noted in registry | 2 | ||
Doses given out of region, but not entered in registry | 5 | ||
Child moved from another province and considered complete by other province’s schedule, but not noted in registry | 4 | ||
Subtotal
| 16 | ||
Types of errors in parent reporting
|
n
| ||
Parent reported child UTD, although: | |||
Missed dose(s) (unexplained intentional or unintentional misreporting) | 25 | ||
Refused varicella vaccine | 6 | ||
Did not complete immunizations until after received survey | 11 | ||
Parent reported child not UTD, although actually complete (unexplained intentional or unintentional misreporting) | 2 | ||
Subtotal
| 44 | ||
Total number of errors from all sources
| 60 |