Working papers

Here you can search our series of working papers, dating back to 1983. These papers use data from our four cohort studies and cover a wide range of topics, from social inequalities and mobility, to physical health, education and cognitive development. Other papers in the series seek to improve the practice of longitudinal research. At the present time, we are only able to accept papers if at least one author is a member of the CLS research team. Some of the working papers below will subsequently have been published in peer-reviewed journals.

For more information about our working papers series, please email us at clsworkingpapers@ucl.ac.uk.

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Working papers

Understanding bullying experiences among sexual minority youths in England- CLS working paper 2015/8

This CLS working paper aims to identify whether Lesbian, Gay and Bisexual (LGB) youth are more at risk of bullying. It uses data from Next Steps (previously known as the Longitudinal Study of Young People in England).

Key words: Bully-victimisation, England, lesbian, gay and bisexual (LGB), Next Steps, sexual minority.

Author: Morag Henderson
Date published: 1 November 2015
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What young English people do once they reach school-leaving age- CLS working paper 2015/7

This CLS working paper examines how young people’s early transitions into the labour market have changed between cohorts born in 1958, 1970, 1980, and 1990. It uses sequence analysis to characterise transition patterns and identify three distinct pathways in all cohorts.

Author: Jake Anders and Richard Dorsett
Date published: 1 October 2015
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Working papers

Inequalities in students’ choice of STEM subjects – An exploration of intersectional relationships- CLS working paper 2015/6

This CLS working paper uses data from Next Steps (previously known as the Longitudinal Study of Young People in England) to examine inequalities in students choosing to study STEM (Science, Technology, Engineering and Mathematics) subjects. It looks at disparities in uptake by students’ family background, gender and ethnicity.

Key words: Subject choice, STEM, A-level, Degree, Ethnicity, Gender, Socio-economic background, Intersectional, Logistic Regression.

Author: Natasha Codiroli
Date published: 2 September 2015
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Working papers

Measuring young people’s time-use in the UK Millennium Cohort Study – A mixed-mode time diary approach- CLS working paper 2015/5

The UK Millennium Cohort Study is the first large-scale social survey to use a highly innovative mixed-mode approach for the collection of pre-coded time diaries among adolescents.

This CLS working paper focuses on issues surrounding research design, instrument development, and implementation of the time diaries. It discusses the construction of an activity code scheme relevant for young people growing up in contemporary Britain, and present the three time diary instruments.

Key words: longitudinal; methodology; Millennium Cohort Study; mixed-mode; new technologies; time diary surveys; time-use record; time-use research

Author: Stella Chatzitheochari, Kimberly Fisher, Emily Gilbert, Lisa Calderwood, Tom Huskinson, Andrew Cleary, Jonathan Gershuny
Date published: 1 September 2015
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Working papers

Does longitudinal change in adolescent educational expectations for university study vary by ethnic group?- CLS working paper 2015/4

This CLS working paper explores change in pupils’ educational expectations between ages 14-16 systematically across white, Indian, Pakistani, Bangladeshi and Black Caribbean adolescents under a psychometric framework using cohort panel data from Next Steps (formerly known as the Longitudinal Study of Young People in England).

Key words: adolescent educational expectations, ethnicity, longitudinal mediation modelling, latent variable structural equation modelling

Author: Michael Tzanakis
Date published: 1 June 2015
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Working papers

Linkage to health administrative data- CLS working paper 2015/3

This CLS working paper documents the the first longitudinal exploration of consent to link survey and administrative data. It relies on a theoretical framework distinguishing between passive, active, consistent and inconsistent consent behaviour.

Key words: Consent; data linkage; Millennium Cohort Study; longitudinal data.

Author: Tarek Mostafa and Richard D. Wiggins
Date published: 1 May 2015
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Working papers

Additive association of maternal and paternal body mass index on weight status trajectories from childhood to mid-adulthood in the 1970 British Cohort Study- CLS working paper 2015/2

This CLS working paper aims to (i) describe the weight status trajectories from childhood to mid-adulthood and (ii) investigate the influence of maternal and paternal body mass index (BMI) on offspring’s trajectories in the 1970 British Cohort Study (BCS70).

Author: Silvia Costa, William Johnson, Russell M Viner
Date published: 1 March 2015
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Working papers

The mysteries of religion and the lifecourse- CLS working paper 2015/1

This CLS working paper uses data from the 1970 British Cohort Study (BCS70) to analyse the changing role of religion on cohort member over their life course.

Author: David Voas
Date published: 1 January 2015
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Working papers

Social mobility and the importance of networks – evidence for Britain- CLS working paper 2014/10

This CLS working paper addresses the help that parents give their children in the job market such as internships and other similar employment opportunities. It provides insight into whether the strong link between parental socio-economic background and the individual’s own economic success can be explained in part by the fact that parents assist their children to get jobs.

The paper uses data from the 1970 British Cohort Study Age 42 Sweep.

Author: Oscar Marcenaro-Gutierrez, John Micklewright and Anna Vignoles
Date published: 1 December 2014
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Working papers

A rise in symmetrical families: Fact or fiction?- CLS working paper 2014/9

Vicky Cross examines the hypothesis that the employment gap between men and women has narrowed significantly in recent decades, leading to more ‘symmetrical’ families: ie where men and women’s roles are much more equal.

Using British longitudinal data collected during the first twelve years of the 21st century, the paper explores how the sharing of domestic duties and childcare responsibilities has changed among the same families between 2000 – 2012. Specifically, we address

  1. ? Are domestic tasks shared more when couples are age 30 or age 42? Have men taken on more responsibilities as they have got older?
  2. ? Do men and women agree that the tasks are shared equally or who has the main responsibility for them?
  3. ? What are the main socio-economic characteristics that increase joint responsibility of domestic tasks in the home?
  4.      Have men increasingly taken on a child-care role?

Keywords: BCS70, gender equality, domestic duties, child-care, social class.

Author: Vicky Cross
Date published: 27 November 2014
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Working papers

Variation within Households in Consent to Link Survey Data to Administrative Records: Evidence from the UK Millennium Cohort Study- CLS working paper 2014/8

Tarek Mostafa examines respondents’ behaviour when consenting to link their own records and when consenting to link those of their children. The paper develops and tests a number of hypothesised mechanisms of consent, some of which were not explored in the past. The hypotheses cover: parental pride, privacy concerns, loyalty to the survey, pre-existing relations with the agency holding the data, and interviewer effects. The exercise uses data from the Millennium Cohort Study to analyse the correlates of consent in multiple domains (i.e. linkage of education, health and economic records). It relies on a multivariate probit approach to model the different consent outcomes, and uses fixed and random effects specifications to estimate the effects of interviewers.

The findings show that respondent’s behaviour vary depending on the consent domain (i.e. education, health, and economic records) and on the person for whom consent is sought (i.e. main respondent vs. cohort member). In particular, the cohort member’s cognitive skills and the main respondent’s privacy concerns have differential effects on consent. On the other hand, loyalty to the survey proxied by the longitudinal response history has a significant and strong impact on consent irrespective of the outcome. The findings also show that interviewers account for a large proportion of variations in consent even after controlling for the characteristics of the interviewer’s assignment area. In total, it is possible to conclude that the significant impact of some of the correlates will lead to sample bias which needs to be accounted for when working with linked survey and administrative data.

Keywords: Informed consent; data linkage; multivariate probit models; UK Millennium Cohort Study; sample bias.

Author: Tarek Mostafa
Date published: 20 November 2014
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Working papers

Vocabulary from adolescence to middle-age- CLS working paper 2014/7

Alice Sullivan and Matt Brown exploit the rich cognitive measures taken during childhood and adolescence in the BCS70 cohort, including adult measures of literacy and numeracy. For the first time, the 2012 survey included a repeat measure in adulthood of a cognitive scale which had been used previously with the cohort in childhood – a vocabulary test first taken in 1986, when the cohort members were 16 years old. This paper asks how vocabulary scores changed between the ages of 16 and 42, taking account of early social background and childhood reading behaviour, but also examining the influence of educational and labour market attainment and reading for pleasure in mid-life. The authors find that both educational and occupational attainment, and reading habits in childhood and adulthood, are linked to vocabulary growth.

Keywords: 1970 cohort, cognitive skills, vocabulary, education, employment, reading, numeracy.

 

Author: Alice Sullivan and Matt Brown
Date published: 10 November 2014
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