| Q1: What is the effect on children’s health and educational achievement of living in households in which one or more adults have a defined alcohol-related harm to health? |
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| (1) To define each household included in the Welsh Electronic Cohort for Children (WECC) as an alcohol-problem household or not according to whether adults in each household have a recorded alcohol-related hospital admission, with or without a linked Accident & Emergency (A&E) attendance, or a general practitioner (GP) record of alcohol-related harm. |
| (2) To compare healthcare utilisation, hospital admissions for injuries and educational achievement between children living in an alcohol-problem household or not. This will require linkage of the child’s unique encrypted Anonymised Linkage Field (ALF) identifier to the linked anonymised Residential Anonymised Linkage Field (RALF) household identifier and subsequent to the adults ALFs within each RALF to extract the adult Patient Episode Database for Wales (PEDW) and Welsh Longitudinal General Practice (WLGP) data. We will then code each RALF (and respective child ALFs) as a ‘alcohol problem household’ yes/no, and the analysis will compare child outcomes between these two groups of households, adjusting for individual and household covariates and small area -Lower Super Output Area (LSOA)- covariates of multiple deprivation. |
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| Q2: What is the longitudinal relationship between alcohol consumption and physical and mental health outcomes in adults aged 18 to 74 years in Caerphilly county in Wales? |
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| (1) To extend the linkage of each anonymised adult subject in Caerphilly Health and Social Needs Study (E-CATALyST) to Welsh Demographic Service Data (WDSD), PEDW, Annual District Death Data (ADDE) and WLGP records to end-2015. |
| (2) To compare the 14-year risk of PEDW- and WLGP-recorded physical and mental health outcomes in adults associated with different levels of alcohol consumption at baseline. |
| (3) To compare the 7-year risk of physical and mental health survey outcomes in adults associated with change in reported consumption between baseline and wave two. |
| (4) To assess these risks specifically by age and sex, particularly in young adults aged 18-24 and 25-29 years, in males and females separately (if numbers permit). |
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| Q3: What are the trends in alcohol-related admissions in Wales over 16 years? |
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| To describe the 16-year trend in alcohol-related admissions in the Welsh adult population (16 years of age and over) by age, sex and socioeconomic position. |
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| Q4: What are the socioeconomic patterns in alcohol-related hospital admission in adults in Wales, considering individual alcohol consumption and other factors? |
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| (1) To define the study cohort and link data from Welsh Health Survey Data (WHSD) participants aged 16 and over, who consented to linkage, to WDSD, PEDW and ADDE data. |
| (2) To compare the risk of alcohol-related hospital admission between people living in more and less deprived circumstances, considering individual-level alcohol consumption including type of drink and smoking. |
