Table 2. Multimorbidity clusters of the conditions among the whole population with multimorbidity, sex and deprivation subgroups.

Cluster+	Whole population	Males	Females	Most deprived	Least deprived
1 Alcohol misuse Cluster	Alcohol Abuse Other Neurological Disorders Depression	Alcohol abuse Other Neurological Disorders Depression Liver Disease	Alcohol Abuse Other Neurological Disorders Depression	Alcohol abuse Other Neurological Disorders Depression Liver Disease Drug Abuse	Alcohol abuse Other Neurological Disorders Depression
2 Cancer Cluster	Solid Tumour w/o Metastasis Metastatic Cancer	Solid Tumour w/o Metastasis Metastatic Cancer	Solid Tumour w/o Metastasis Metastatic Cancer	Solid Tumour w/o Metastasis Metastatic Cancer	Solid Tumour w/o Metastasis Metastatic Cancer
3 Obesity Cluster	Obesity Chronic Pulmonary Disease Uncomplicated Hypertension Uncomplicated Diabetes Rheumatoid Arthritis/Collagen Hypothyroidism	Obesity Chronic Pulmonary Disease Uncomplicated Hypertension Uncomplicated Diabetes Rheumatoid Arthritis/Collagen	Obesity Chronic Pulmonary Disease Uncomplicated Hypertension Uncomplicated Diabetes Rheumatoid Arthritis/Collagen Hypothyroidism	Obesity Chronic Pulmonary Disease Uncomplicated Hypertension Uncomplicated Diabetes	Obesity Chronic Pulmonary Disease Cardiac Arrhythmia Uncomplicated Hypertension Uncomplicated Diabetes Rheumatoid Arthritis/Collagen Hypothyroidism
4 Renal Failure Cluster	Peripheral Vascular Disorders Renal Failure Fluid & Electrolyte Disorders Deficiency Anaemia	Peripheral Vascular Disorders Renal Failure Fluid & Electrolyte Disorders	Peripheral Vascular Disorders Renal Failure Fluid & Electrolyte Disorders Deficiency Anaemia	Peripheral Vascular Disorders Renal Failure Fluid & Electrolyte Disorders Deficiency Anaemia Hypothyroidism Rheumatoid Arthritis/Collagen	Peripheral Vascular Disorders Renal Failure Fluid & Electrolyte Disorders Deficiency Anaemia
5 Heart Failure Cluster	Valvular Disease Congestive Heart Failure Cardiac Arrhythmia Pulmonary Circulation Disorders	Valvular Disease Congestive Heart Failure Cardiac Arrhythmia	Valvular Disease Congestive Heart Failure Cardiac Arrhythmia Pulmonary Circulation Disorders	Valvular Disease Congestive Heart Failure Cardiac Arrhythmia Pulmonary Circulation Disorders	Valvular Disease Congestive Heart Failure Pulmonary Circulation Disorders

*only conditions with at least 5% prevalence within each specific population subgroup were clustered +An individual can "belong" to more than one cluster.