combined_dep_and_ckb_logo

Section and category

Mental Health.Anxiety


Description

“During the past 12 months, have you experienced a spell or an attack when all of sudden you felt frightened, anxious, or very uneasy?, During your entire life, have you experienced a spell or an attack when all of sudden you felt frightened, anxious, or very uneasy?”


Additional information

Metadata
contents Categorised
is_mandatory Yes

Data summary

Baseline




value freq pct_valid pct_tot
No 507699 98.5 98.5
Yes 7714 1.5 1.5
<NA> 0 NA 0.0

Resurvey 1




value freq pct_valid pct_tot
No 19589 98.92 98.92
Yes 214 1.08 1.08
<NA> 0 NA 0.00

Resurvey 2




value freq pct_valid pct_tot
No 23709 94.63 93.89
Yes 1345 5.37 5.33
<NA> 198 NA 0.78




Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants Surveys Statistic Coefficient Z.statistic p.value
14888 3 Kappa 0.016 3.383 0.001


International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email:

Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024