EWCS 2010 - Sampling

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The sample used in the European Working Conditions Survey is representative of those aged 15 years and over (16 and over in Spain, the UK and Norway) who are in employment and are resident in the country that is being surveyed. In each country, a multi-stage, stratified random sampling design was used.

In the first stage, primary sampling units (PSUs) were sampled, stratifying according to geographic regions (NUTS 2 level or below) and level of urbanisation. Subsequently, in each PSU households were sampled. In countries where an updated, high quality address or population register was available, this was used as the sampling frame. If such a register was not available a random route procedure was applied. In the 5th EWCS, for the first time, the enumeration of addresses through this random route procedure was separated from the interviewing stage. Finally, a screening procedure was applied to select the eligible respondent within each household.

The target number of interviews was 1,000 in all countries, except Slovenia (1,400), the UK, Italy and Poland (1,500), Germany and Turkey (2,000), France (3,000) and Belgium (4,000). The Slovenian, French and Belgian governments made use of the possibility offered by Eurofound to pay for an addition to the initial sample size. The number of interviews completed in each country is summarised in the following table.

Number of completed interviews:

Belgium

4001

Ireland

1003

Austria

1003

Croatia

1100

Bulgaria

1014

Italy

1500

Poland

1500

FYROM

1100

Czech Republic

1000

Cyprus

1000

Portugal

1000

Turkey

2100

Denmark

1069

Latvia

1001

Romania

1017

 

 

Germany

2133

Lithuania

1004

Slovenia

1404

Albania

1000

Estonia

1000

Luxembourg

1000

Slovakia

1002

Kosovo

1018

Greece

1037

Hungary

1006

Finland

1028

Montenegro

1041

Spain

1008

Malta

1000

Sweden

1004

 

 

France

3046

Netherlands

1017

UK

1575

Norway

1085

For more information please see the Sampling Implementation Report.

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