An integrated approach to bias in a longitudinal survey in the United Kingdom: assessing construct, method, and item bias in the General Health Questionnaire (GHQ-12)
Does immigrant generation matter? Re-examining the ethnic density effects on mental health of ethnic minorities in Britain
The association between self-rated health and underlying biomarker levels is modified by age, gender, and household income: evidence from Understanding Society – the UK Household Longitudinal Study
What are the characteristics of respondents using different devices in mixed-device online surveys? Evidence from six UK surveys