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Version: 1.0.3 | Published: 19 May 2026 | Updated: 11 days ago
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North West London Mental Health Data (NWL MH)

Dataset

Summary

Population Size:
176063
Publication Date:
18 December 2019

Documentation

Description:
The MHSDS brings together information captured on clinical systems as part of patient care. It covers: Adult and children's mental health Learning disabilities or autism spectrum disorder Children and Young People Improving Access to Psychological Therapies (CYP-IAPT) services Early intervention care pathway The MHSDS covers not only services provided in hospitals but also outpatient clinics and in the community, where the majority of people in contact with these services are treated.
In Pipeline:
Available

Coverage

Spatial:
  • United Kingdom
  • England
  • London
  • Brent
  • Ealing
  • Hammersmith and Fulham
  • Harrow
  • Hillingdon
  • Hounslow
  • Kensington and Chelsea
  • Westminster
Typical Age Range Min:
0
Typical Age Range Max:
150
Material Type:
None/not available
Follow Up:
> 10 Years
Pathway:
The NWL MH linked table holds activity data from Mental health providers and contains the type and location of care received, episodes of care, diagnoses and questionnaire scores for individuals who have accessed adult mental health services within NWL.

Provenance

Origin

Purpose:
  • Administrative
  • Care
  • Other
Dataset Type:
  • Health and disease
  • Treatments/Interventions
Dataset Sub-Type:
Mental health
Source:
EPR
Collection Source:
  • Secondary care - Outpatients
  • Secondary care - In-patients
Image Contrast:
Not stated

Temporal

Publishing Frequency:
Monthly
Distribution Release Date:
18 December 2019
Start Date:
01 January 2013
Time Lag:
1-2 months

Accessibility

Access

Access Service Category:
TRE/SDE
Access Service:
Researchers will have access to a secure workspace via an airlocked Azure Virtual Desktop with a specific username and password. Researchers will get specific access to a relevant subset of the datasets that are present in the SDE catalogue for their project and will be able to carry out their research within the safe haven. There are restrictions applied which prevent the researchers from taking data out of the safe haven. Once the research is completed the London SDE admin team will need to be contacted for any requests to egress summary analysis out of the safe haven which will not breach 5 safe standards.
Access Request Cost:
In Progress
Delivery Lead Time:
1-2 months
Data Controller:
Joint data controller model across London: North Central London Integrated Care System (NCL ICS), Central London Integrated Care System (CL ICS), East London Integrated Care System (EL ICS), West London Integrated Care System (WL ICS), South London Integrated Care System (SL ICS)
Data Processor:
The data processor for the London Secure Data Environment (SDE) is primarily managed by OneLondon, a partnership of London's five integrated care systems (ICSs) and three health innovation networks.
Jurisdiction:
United Kingdom of Great Britain and Northern Ireland

Usage

Data Use Limitation:
No restriction
Data Use Requirements:
  • Collaboration required
  • Institution-specific restrictions
  • Project-specific restrictions
  • Time limit on use
  • User-specific restriction
Resource Creator:
  • NHS NWL ICS
  • London SDE

Format and Standards

Vocabulary Encoding Scheme:
LOCAL
Conforms To:
LOCAL
Language:
English
Format:
  • Excel
  • SQL
  • Tableau
  • R

Enrichment and Linkage

Publication About Dataset:
Bottleet al. BMC Medical Informatics and Decision Making (2020) 20:71 https://doi.org/10.1186/s12911-020-1082-7

Derived From

PID
Title
URL
Not Available

Linkable Datasets

PID
Title
URL
This can be linked to: Admitted Patient Care Outpatient Care High Cost drugs Patient level data Primary care events Primary care prescriptions Adult social care Accident and Emergency Community

Observations

Statistical Population
Population Description
Population Size
Measured Property
Observation Date
Persons
Registered population
147460
count
20 October 2022
Persons
Population
176063
Count
08 December 2020