Variable breakdown
def_phys_activity_enter
Section and category
Section Timings.Timings
Description
“Start time for Q8.1 [For non-farmers only]”
Additional information
| Metadata | |
|---|---|
| contents | Date and time |
| is_mandatory | No |
Data summary
Baseline
| Year_Quarter | freq | pct_valid | pct_tot |
|---|---|---|---|
| 2004.2 | 12 | 0.00 | 0.00 |
| 2004.3 | 2276 | 0.76 | 0.44 |
| 2004.4 | 10278 | 3.41 | 1.99 |
| 2005.1 | 12020 | 3.99 | 2.33 |
| 2005.2 | 22380 | 7.43 | 4.34 |
| 2005.3 | 18817 | 6.25 | 3.65 |
| 2005.4 | 22355 | 7.42 | 4.34 |
| 2006.1 | 16971 | 5.63 | 3.29 |
| 2006.2 | 22346 | 7.42 | 4.34 |
| 2006.3 | 21622 | 7.18 | 4.20 |
| 2006.4 | 21504 | 7.14 | 4.17 |
| 2007.1 | 15157 | 5.03 | 2.94 |
| 2007.2 | 22972 | 7.63 | 4.46 |
| 2007.3 | 24342 | 8.08 | 4.72 |
| 2007.4 | 26926 | 8.94 | 5.22 |
| 2008.1 | 16178 | 5.37 | 3.14 |
| 2008.2 | 23963 | 7.96 | 4.65 |
| 2008.3 | 1072 | 0.36 | 0.21 |
| 2009.3 | 5 | 0.00 | 0.00 |
| <NA> | 214217 | NA | 41.56 |
Resurvey 1
| Year_Quarter | freq | pct_valid | pct_tot |
|---|---|---|---|
| 1987.4 | 1 | 0.01 | 0.01 |
| 2008.2 | 1170 | 9.95 | 5.91 |
| 2008.3 | 10545 | 89.71 | 53.25 |
| 2008.4 | 39 | 0.33 | 0.20 |
| <NA> | 8048 | NA | 40.64 |
Resurvey 2
| Year_Quarter | freq | pct_valid | pct_tot |
|---|---|---|---|
| 2013.3 | 1624 | 8.61 | 6.43 |
| 2013.4 | 7005 | 37.13 | 27.74 |
| 2014.1 | 2536 | 13.44 | 10.04 |
| 2014.2 | 5650 | 29.95 | 22.37 |
| 2014.3 | 2050 | 10.87 | 8.12 |
| <NA> | 6387 | NA | 25.29 |
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