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Work hours and work arrangement by background and sex 2008-2017

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Percentage/ confidence interaval
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The results are from the European labour force survey. This table was corrected on the 19th of september 2019 because the variable names were mixed up, what is now labelled work hours was labelled non-standard work hours and what is now labelled non-standard work hours was labelled work hours.

Work-life balance

Non-standard work hours

People who respond that they often work neights, evenings, Satardays or Sundays are considered to work non-standard work hours.

Shift work

Shift work involves different groups or crews of workers succeeding each other at the same work site to perform the same operations. It usually involves work early in the morning, at night or on weekends. The weekly rest days do not always coincide with normal rest days.

Work hours

Working hours refer to the total working hours of the respondent in their main and second job during the reference week.



Immigrant is defined as an individual that is born abroad and has parents that both are born abroad and have a foreign background. That means that both grandparents are born abroad.


Local is used for everyone that cannot be defined as an immigrant. Local can be seen as a broad category that includes many sub-categories. For example a person can be seen as local if they have no foreign background, if they are born abroad but have an Icelandic background, individuals that are born in Iceland and have one parent that is an immigrant, an individual that is born abroad and has Icelandic grandparents, and an individual that has immigrant parents but is born in Iceland.


Confidence interval, ±

The results come from the labor force survey that is based on a sample of the population and therefore there is some uncertainty surrounding the results. To estimate this uncertainty confidence intervals are calculated. The confidence interval estimates how exactly the sample value represents the true value of the population. The calculations of confidence interval are based on the standard error of the estimate. The confidence interval reaches above and below the percentage point, and is added and deducted from the percentage point. If an estimate is 10%, and the confidence interval is ±1,2, then the lower confidence interval is 8,8 and the upper confidence interval is 11,2. A difference between two estimates can be said to be statistically significant if the confidence interval of the estimates do not overlap. 95% confidence intervals are calculated by multiplying the standard error with 1,96. That confidence interval will contain the mean with 95% certainty. If a series of random samples of the same size are taken from the same population, then 95% of the confidence intervals would contain the population mean. The precision requirements for this publication are that an estimate does not have a larger standard error than 5%.