Coronavirus and self-isolation after testing positive in England: 1 November to 6 November 2021

Behaviour of individuals required to self-isolate after testing positive for COVID-19, from the COVID Test and Trace Cases Insights Survey. Includes information on the impact of self-isolation on well-being and finances. Experimental Statistics.

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Cyswllt:
Email Bella Beynon and Rebecca Jones

Dyddiad y datganiad:
24 November 2021

Cyhoeddiad nesaf:
To be announced

1. Main points

  • The data collected between 1 and 6 November 2021 show that the majority (75%) of all individuals who tested positive for coronavirus (COVID-19) reported fully adhering to the requirements throughout their self-isolation period.

  • The level of adherence with self-isolation requirements is broadly in line with the level reported for June, July and September 2021 (79% in June and July, and 78% in September) but is statistically significantly lower compared with adherence levels earlier in the year (84% in April and 86% in May 2021).

  • Adherence with self-isolation requirements was statistically significantly lower between the onset of symptoms requiring self-isolation and receiving a positive test result (71%), compared with the 24 hours following a positive result (98%) and the remainder of the self-isolation period (93%).

  • One in four people (25%) reported carrying out at least one activity during self-isolation that was not adherent to the requirements, for example, leaving the home or having visitors for reasons not permitted under legislation.

  • The majority (73%) of all respondents who tested positive for COVID-19 reported having no contact with non-household members while they had any symptoms of illness or during the self-isolation period; of all respondents who lived with others, only 18% were able to keep themselves completely separate from those they lived with.

  • Approximately a third (34%) of those who tested positive reported that self-isolation had a negative effect on their well-being and mental health.

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The statistics presented are Experimental Statistics, so care needs to be taken when interpreting them. The survey has a relatively small number of respondents (976) and the behaviour of respondents during self-isolation is self-reported.

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2. Self-isolation after testing positive data

Coronavirus and self-isolation after testing positive in England
Dataset | Released 24 November 2021
Behaviour of individuals required to self-isolate after testing positive for COVID-19, from the COVID Test and Trace Cases Insights Survey. Includes information on the impact of self-isolation on well-being and finances. Experimental Statistics.

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3. Glossary

Self-isolation

Self-isolation refers to not leaving your home because you have, or might have, coronavirus (COVID-19). It is a legal requirement to self-isolate if you test positive for COVID-19. In addition to staying at home, if you are self-isolating you should not have visitors unless the purpose of the visit is to provide essential care. Your self-isolation period includes the day your symptoms started (or the day you had the positive test result if you do not have symptoms) and the next 10 full days. If you still have symptoms after 10 days, you must continue self-isolating until they are gone.

For further information please see the NHS guidance on when and how to self-isolate.

Symptoms

Symptoms that require an individual to self-isolate prior to a positive test result are a high temperature, a new continuous cough, or loss of sense of smell or taste.

Symptoms reported by respondents that do not require self-isolation if experienced without a high temperature, a new continuous cough, or loss of sense of smell or taste are:

  • shortness of breath or trouble breathing
  • runny or stuffy nose
  • muscle or body aches
  • headaches
  • sore throat
  • fatigue
  • vomiting
  • diarrhoea
  • severe stomach pain

Statistical Significance

The term "significant" refers to statistically significant changes or differences. Significance has been determined using the 95% confidence intervals, where instances of non-overlapping confidence intervals between estimates indicate the difference is unlikely to have arisen from random fluctuation. More information is available on our uncertainty pages.

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4. Measuring the data

Survey information

The latest quality and methodology information on data from the COVID Test and Trace Cases Insights Survey can be found in the Coronavirus and self-isolation after testing positive in England methodology.

Estimates for Wave 8

This is the eighth bulletin in this series. The eighth wave of data was collected between 1 and 6 November 2021. The number of respondents was 976.

Respondents were sampled through the Contact Tracing and Advisory Service (CTAS) database, held by NHS Test and Trace, using implicit stratification. Respondents were aged 18 years and over, had tested positive for coronavirus (COVID-19) and reached day 10 of their self-isolation period between 31 October and 3 November 2021.

The majority (99%) of respondents were interviewed within four days following the end of their self-isolation period (days 11 to 14). The remaining 1% of respondents were interviewed between five and six days (days 15 to 16) after the end of self-isolation.

Of the potential respondents who were successfully contacted by an interviewer, the response rate was 66%. When including cases where contact was attempted but not made, the response rate was 18%.

A low response rate can be expected, as the target population was likely unwell with COVID-19 and so less likely to participate.

Percentages in this report are based on weighted counts that are representative of the population of adults (aged 18 years and over) who had tested positive for COVID-19 and began their self-isolation period between 21 September and 18 October 2021.

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Manylion cyswllt ar gyfer y Bwletin ystadegol

Bella Beynon and Rebecca Jones
publicservicesanalysis@ons.gov.uk
Ffôn: +44 1633 455330