Why the study?
Does the source of case identification affect the observed association between incident hypertension and socio-economic deprivation in adults?
Does the source of case identification affect the observed association between incident hypertension and socio-economic deprivation in adults?
The observed association between hypertension incidence and socio-economic deprivation is highly dependent on the data source used, suggesting a consultation bias in physician billing data.
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Physician billing data may introduce consultation bias in hypertension-deprivation studies; leaves open true incidence gradients pending multi-source validation.
Aubé-Maurice et al. (2012) studied this question.
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