Variable breakdown
repro_history2_enter
Section and category
Section Timings.Timings
Description
“Start time Q9.5”
Additional information
| Metadata | |
|---|---|
| contents | Date and time |
| is_mandatory | No |
Data summary
Baseline
| Year_Quarter | freq | pct_valid | pct_tot |
|---|---|---|---|
| 1987.4 | 1 | 0.00 | 0.00 |
| 1998.3 | 3 | 0.00 | 0.00 |
| 2004.2 | 145 | 0.05 | 0.03 |
| 2004.3 | 4103 | 1.35 | 0.80 |
| 2004.4 | 14785 | 4.86 | 2.87 |
| 2005.1 | 13343 | 4.39 | 2.59 |
| 2005.2 | 21707 | 7.14 | 4.21 |
| 2005.3 | 20125 | 6.62 | 3.90 |
| 2005.4 | 24403 | 8.02 | 4.73 |
| 2006.1 | 16101 | 5.29 | 3.12 |
| 2006.2 | 22699 | 7.46 | 4.40 |
| 2006.3 | 22292 | 7.33 | 4.33 |
| 2006.4 | 22344 | 7.35 | 4.34 |
| 2007.1 | 14309 | 4.70 | 2.78 |
| 2007.2 | 24149 | 7.94 | 4.69 |
| 2007.3 | 24542 | 8.07 | 4.76 |
| 2007.4 | 24625 | 8.10 | 4.78 |
| 2008.1 | 14861 | 4.89 | 2.88 |
| 2008.2 | 19282 | 6.34 | 3.74 |
| 2008.3 | 348 | 0.11 | 0.07 |
| 2009.3 | 1 | 0.00 | 0.00 |
| <NA> | 211245 | NA | 40.99 |
Resurvey 1
| Year_Quarter | freq | pct_valid | pct_tot |
|---|---|---|---|
| 2008.2 | 1276 | 10.61 | 6.44 |
| 2008.3 | 10403 | 86.52 | 52.53 |
| 2008.4 | 345 | 2.87 | 1.74 |
| <NA> | 7779 | NA | 39.28 |
Resurvey 2
| Year_Quarter | freq | pct_valid | pct_tot |
|---|---|---|---|
| 2013.3 | 2899 | 18.79 | 11.48 |
| 2013.4 | 4855 | 31.46 | 19.23 |
| 2014.1 | 1544 | 10.01 | 6.11 |
| 2014.2 | 4078 | 26.43 | 16.15 |
| 2014.3 | 2056 | 13.32 | 8.14 |
| <NA> | 9820 | NA | 38.89 |
Between-survey agreement
No agreement analysis available
International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF
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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024