Chronic stress levels 40% higher in full-time working women with children, but flexible work reduces stress

Biomarkers for chronic stress are 40% higher in women bringing up two children while working full-time, new research shows.

Working from home and flexitime have no effect on their level of chronic stress – only putting in fewer hours at work helps, an article in the journal Sociology published today [23 January 2019] says.

Researchers from the universities of Manchester and Essex analysed data on 6,025 participants in Understanding Society, UK Household Longitudinal Survey, which collects information on working life and readings of measures of stress response, including hormones levels and blood pressure.

The researchers are Professor Tarani Chandola, of the University of Manchester, and Dr Cara Booker, Professor Meena Kumari and Professor Michaela Benzeval, of the Institute for Social and Economic Research at Essex.

They found that the overall level of 11 biomarkers related to chronic stress, including stress related hormones and blood pressure, was 40% higher if women were working full-time while bringing up two children than it was among women working full-time with no children. Women working full time and bringing up one child had 18% higher level.

(See note at end: this does not mean that every marker, such as blood pressure, was 40% higher).

They also found that women with two children who worked reduced hours through part-time work, job share and term-time flexible working arrangements had chronic stress levels 37% lower than those working in jobs where flexible work was not available. Those working flexitime or working from home, with no overall reduction in working hours, had no reduction in chronic stress.

The researchers found that men’s chronic stress markers were also lower if they worked reduced hours, and the effect was about the same as for women.

The researchers adjusted the raw data to rule out other influences on their findings, such as the women’s ages, ethnicity, education, occupation and income, so that the influence of working hours and family conditions could be studied in isolation.

“Work-family conflict is associated with increased psychological strain, with higher levels of stress and lower levels of wellbeing,” the researchers say. “Parents of young children are at particular risk of work-family conflict. Working conditions that are not flexible to these family demands, such as long working hours, could adversely impact on a person’s stress reactions.

“Repeated stressful events arising from combinations of social and environmental stressors and major traumatic life events result in chronic stress, which in turn affects health.

“Flexible work practices are meant to enable employees to achieve a more satisfactory work–life balance which should reduce work-family conflict.

“The use of such reduced hours flexible work arrangements appeared to moderate some of the association of family and work stressors.

“[But] there was little evidence that flexplace or flextime working arrangements were associated with lower chronic stress responses.”

Important science note:

The researchers used 11 markers in five biological systems to measure stress: the neuroendocrine system, the metabolic system, the immune and inflammatory systems, the cardiovascular system, and the anthropometric system. These were taken by nurses as part of the survey.

This set of markers measures the overall ‘allostatic load’, the long-term stress a person experiences. The allostatic load model is thus a measure of cumulative wear and tear in a number of physiological systems. It has been consistently associated with poor health and greater risk of death.

Women bringing up two children (aged 15 and under) and working 37 or more hours a week had an allostatic load level around 37% higher than those working full-time with no children, but this is an overall figure and does not mean that every marker, such a pulse and blood pressure, was 40% higher.

For more information, please contact: 

Tony Trueman
British Sociological Association
Tel: 07964 023392 
tony.trueman@britsoc.org.uk

Notes:

  1. The data used was from Understanding Society, the UK Household Longitudinal Study, a nationally-representative household panel study, and the largest longitudinal household survey in the world. The Study, funded by the Economic and Social Research Council and a consortium of UK government departments and the devolved governments, is run by a team of survey experts at the Institute for Social and Economic Research. The Study began in 2009 with a representative sample of 40,000 UK households, and collects social, financial, and biological information annually from every member of each household over the age of 10.
  2. The article is entitled ‘Are flexible work arrangements associated with lower levels of chronic stress related biomarkers? A study of 6,025 in the UK Household Longitudinal Study’, published online in Sociology, a journal run by the British Sociological Association and SAGE.
  3. The British Sociological Association’s charitable aim is to promote sociology. The BSA is a Company Limited by Guarantee. Registered in England and Wales. Company Number: 3890729. Registered Charity Number 1080235 www.britsoc.co.uk
  4. About The University of Manchester
    The University of Manchester, a member of the prestigious Russell Group, is the UK’s largest single-site university with 39,700 students and is consistently ranked among the world’s elite for graduate employability.

    The University is also one of the country’s major research institutions, rated fifth in the UK in terms of ‘research power’ (REF 2014). World-class research is carried out across a diverse range of fields including cancer, advanced materials, addressing global inequalities, energy and industrial biotechnology. No fewer than 25 Nobel laureates have either worked or studied here.

    It is the only UK university to have social responsibility among its core strategic objectives, with staff and students alike dedicated to making a positive difference in communities around the world. Manchester is ranked 38th in the world in the Academic Ranking of World Universities 2017 and 6th in the UK. The University had an annual income of almost £1 billion in 2015/16. Visit www.manchester.ac.uk for further information.

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