LFS Non-response Data on Migrants Laura Keyse Office for National Statistics.
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Transcript of LFS Non-response Data on Migrants Laura Keyse Office for National Statistics.
![Page 1: LFS Non-response Data on Migrants Laura Keyse Office for National Statistics.](https://reader036.fdocuments.in/reader036/viewer/2022062511/5515f592550346a2308b46b4/html5/thumbnails/1.jpg)
LFS Non-response Data on Migrants
Laura KeyseOffice for National Statistics
![Page 2: LFS Non-response Data on Migrants Laura Keyse Office for National Statistics.](https://reader036.fdocuments.in/reader036/viewer/2022062511/5515f592550346a2308b46b4/html5/thumbnails/2.jpg)
Structure
1. Introduction to LFS Sample Design, Response Rate Trends and Characteristics of Non-responders
2. Non-response Data on Migrants
3. Conclusions
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LFS Sample Design
• Systematic random sample – 53,000 responding households per quarter
• GB addresses sampled from the Postcode Address File
• Each quarter’s sample comprises five waves of households
• Wave 1 = face-to-face interview
• Waves 2-5 = telephone interview
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Wave Specific Response Rates
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Composition of Non-response
6.9 6.2 5.1
45.8 40.8 39.1
16.414.5 15.8
17.625.4 28.8
13.3 13.1 11.2
0%
20%
40%
60%
80%
100%
JS07 JS06 JA05
Non-contact
Refusal to re-interview
Refusal to HQ
Outrightrefusal
Circumstantialrefusal
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Characteristics of Non-responders: Non-contacts
2001 Census-linked study (Freeth, 2004) showed non-contact in wave one of the LFS most likely to occur in households:
• located in the Midlands, East of England, London and the South East
• living in a purpose-built flat or converted/shared house• containing one adult only
The HRP of difficult-to-contact households tended to be:• single, separated, divorced or widowed• born outside the UK• an employee or self-employed
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Characteristics of non-responders: Refusals
Refusal most likely to happen in households:
• located in the Midlands, East of England, London, South East, South West and Scotland
• whose HRP did not have degree level qualifications
NB: No relationship between country of birth and wave one refusal rate
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Non-response on Migrants: Definitions
• Migrants defined as HRPs born outside the UK
• Non-migrants defined as UK-born HRPs
• Note - differs from UN definition:
“A person who moves to a country other than that of his or her usual residence for a period of at least a year (12 months), so that the country of destination effectively becomes his or her new country of usual residence”
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Non-response on Migrants : Method
• Attrition rate calculated for waves 2-5 of all quarters of the 2005 and 2006 LFS
• Attrition rate: how many HRPs failed to take part in a specific wave as a proportion of those which took part in the previous wave
• e.g. wave 2 attrition rate shows how many HRPs dropped out in wave 2 as a proportion of those that completed a wave 1 interview
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Wave Specific Attrition Rates (Non-contacts + Refusals)
0%
5%
10%
15%
20%
25%
30%
35%
Wave 2 Wave 3 Wave 4 Wave 5
Migrants
Non-migrants
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Wave Specific Non-contact Rates
0
5
10
15
20
25
30
35
Wave 2 Wave 3 Wave 4 Wave 5
Migrants
Non-migrants
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Wave Specific Refusal Rates
0%
5%
10%
15%
20%
25%
Wave 2 Wave 3 Wave 4 Wave 5
Migrants
Non-migrants
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Composition of Non-response
Non-Migrants Migrants
0%10%20%
30%40%50%60%70%
80%90%
100%
Wave 2 Wave 3 Wave 4 Wave 5
Non-contact
R efusal to re-interviewC ircumstantialrefusalO utrig ht refusal
HQ refusal
0%10%20%30%40%50%
60%70%80%90%
100%
Wave 2 Wave 3 Wave 4 Wave 5
Non-contact
R efusal to re-interviewC ircumstantialrefusalO utrig ht refusal
HQ refusal
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Reasons for Refusal at Waves 2-5Reason for refusal Migrants Non-
migrants
Broken appointment 44.6 47.1
Too busy 15.0 13.9
About to go away 8.8 8.5
Other 7.7 5.4
Personal problems 6.3 9.9
Cannot be bothered 5.4 6.5
Language difficulties 3.7 0.2
Invasion of privacy 1.8 2.0
Doesn’t believe in surveys 1.6 1.7
Anti-government 0.4 0.4
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Waves 2-5 Attrition Rates by Region
0 5 10 15 20 25 30
ScotlandWales
South WestSouth East
LondonEastern
West MidlandsEast Midlands
YorkshireMerseysideNorth WestNorth East
Migrants Non-migrants
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Summary
• LFS response rates have declined over the last decade
• Wave one non-contact rate higher for migrants• Attrition, non-contact and refusal rates higher for
migrants at waves 2-5• Composition of non-response is similar for
migrants and non-migrants at waves 2-5• Similar reasons for refusal given by migrants and
non-migrants• Migrant attrition rate is highest in London
email: [email protected]
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Note on European Commission funding and information contained in presentation
• The project which has been reported in this presentation was funded by the European Commission.
• However, the information presented is the sole responsibility of the author.
• The European Commission is not responsible for any use that may be made of the information contained herein.