Tag Archives: 1946 Birth Cohort

Having a family – how might the decision affect the length of your working life?

Across the developed world, people are living longer. In response to this, governments are looking for ways to encourage people to work for longer. In the UK, the State Pension age is being raised and future generations will have little choice but to work. But how will the decisions they made earlier in life – whether and when to have a family – affect their later employment prospects? A new study from the RenEWL project by Dr Mai Stafford and colleagues at UCL and Queen Mary University of London has some answers.

Many of the post-war baby boom generation retired before the State Pension age began to rise. But subsequent generations must plan for longer working lives, and government policy needs to find ways to facilitate that.

We know more people are living longer, and we know that our decisions about having a family can affect the likelihood of us staying in work for longer. But we wanted to get a more nuanced view of how family and working lives can interact.

Would those who delayed starting a family until their thirties be more likely to work into their late sixties? How would those who never had children differ from those who did? And how would the prospects of women who took time out of the workplace be affected by that decision as they neared State Pension age?

We looked at data from the MRC National Survey of Health and Development (NSHD) which has followed the lives of more than 5,000 people born within a single week in 1946. Participants have been studied 24 times during their lives from birth, through childhood and adulthood, and most recently when they were aged 68-69 – at which point more than 2,700 people responded. The men in the study reached state pension age at 65; the women at 60.

We found that almost half the men had been continuously married with children and in full-time work since their early twenties. Women’s lives tended to vary more, with the largest group working full-time until their early twenties then taking time out to raise a family before working part-time and then returning to full-time work in their late thirties.

In their early sixties, just over two thirds of women and a third of men were not in paid work.

Women who did work at this age were more likely to be in part-time work, while men were more likely to be in full-time work. By the age of 68-69, just one in five men and one in 10 women were still in paid work.

 Work and family

Those who became fathers in their early twenties and who had jobs were more likely to be in full-time work at age 60-64 than men who remained single and childless. They were also more likely to be in work at age 68-69 than men who had partners and jobs but no children.

When we looked at how the age at which participants had their children affected their later employment, we found this made no difference for men. But women who had children later were more likely to be in full-time work at age 60-64 than those who had them earlier.

Having children early then returning to full-time work after a break, rather than continuous work through the childrearing years, made no difference to women’s later employment prospects.

We considered whether these differences might be driven by earlier health and socioeconomic circumstances that result in different kinds of family-work patterns. The links between work-family patterns and later life work participation remained when we statistically controlled for childhood health, educational attainment and childhood socioeconomic factors.

Why did the age of family formation make a difference? Women who have their children later may still be providing financial support to them in their sixties – though if so we would expect that men who had children later would also be more likely to be in paid employment, and this was not the case.

Women who became mothers later may also have started working later – possibly because they stayed in education longer – and therefore might have accrued less pension entitlement by age 60-64, though we do not think this fully explains the difference because we controlled for educational attainment.

British baby-boomers

So, what can this cohort of British baby-boomers tell us about how family decisions affect later working lives? We found that the timing of having children was related to women’s but not men’s employment in later life.

Both men and women who remained childless, regardless of whether they had a partner, were less likely to be in paid work in their sixties than those who had children.

And both men and women who worked full-time and neither had children nor a partner were also less likely than their peers to be still in paid work after the age of 60, though women in this group who were still working were more likely than men to be working part-time.

Mothers who returned to work were more likely to be in work in their sixties, while becoming a father made no difference to a man’s prospects.

It’s important for policymakers who have an interest in extending our working lives to consider these results. Mothers, and parents more generally, may stay in the work-force in later life if they have access to jobs which allow them to combine family and work. Our study underlines the need for both part-time jobs and flexible working to be available to parents.

Work–family life course patterns and work participation in later life is research by Mai Stafford, Rebecca Lacey, Emily Murray, Ewan Carr, Maria Fleischmann, Stephen Stansfeld, Baowen Xue, Paola Zaninotto, Jenny Head, Diana Kuh and Anne McMunn and is published in the European Journal of Ageing.

Want to be fit at forty? Don’t have a baby early!

Having a family early may not be good for your health later on. That was the conclusion of a team of researchers at the ESRC International centre for Lifecourse Studies when they looked at the interplay between the work and family lives of men and women, whose lives have been tracked over time in the 1958 Birth Cohort Study. But was it the same story for people born earlier and has it been the same for people who were born later? Dr Rebecca Lacey, who led the research, has been looking at the lives of thousands of adults in three Birth Cohort Studies to see whether the way their work and family lives intertwine impacts on the likelihood of them becoming overweight or obese later on.

In a recent blog for WorkLife, my colleague Anne McMunn outlined some of our research showing that, for both men and women, having children early, especially as a teenager, was closely linked with poorer health once they got into their forties.

Not only did the people we looked at for that piece of research have bigger waists, but they also had a great deal more fat circulating in their blood and less ‘good’ cholesterol, both of which are linked with a heightened risk of heart disease and diabetes.

Those findings stayed strong, even for young parents who had a job and were married, a clear indication that having children early on, with all the associated stresses and strains, seems to take a heavy toll on health over the life course.

For that piece of research, we looked only at people who had taken part in the National Child Development Study, also known as the 1958 Birth Cohort. For this research we looked, in addition at thousands more people, born in 1946 (National Survey of Health and Development) and another group born in 1970 (the British Cohort Study) whose lives had been tracked since birth.

Across cohorts

The reason for looking across cohorts was to see whether changes across generations in how we combine work and family (having children later, more cohabitation and less marriage, more women working etc.) have contributed in some way towards poorer health for some.

As with the earlier research, we made use of 12 specially created lifecourse types covering information on employment, partnerships and parenthood, such as ‘Work, Later family’ ‘Later family, Work break’, ‘Teen parent’.

Each individual in each birth cohort was ascribed a lifecourse type and this was then linked to their Body Mass Index (BMI) and how that changed over time. We went on to see how those figures differed between lifecourse types within and across the three cohorts. We used the World Health Organisation’s (WHO) definition of overweight (BMI greater than or equal to 25) and obesity (BMI greater than or equal to 30).

In addition, we took a host of other factors including our participants’ socio-economic background, prior health and educational attainment into consideration.

We anticipated that, as our earlier research had shown, that people who worked less and had children earlier would show steeper increases in BMI and that across the three cohorts, those increases would become more pronounced.

Changing attitudes and behaviours

The distribution of lifecourse types across the three cohorts reflected, as we thought it would, changing attitudes and behaviours across generations, with increasingly more women in employment and early parenthood becoming less and less common.

In the 1946 cohort, the average BMI of a very small group of men who were ‘Teen parents’ increased from 20.3 to 26.76 between age 16-42, significantly more than any other work-family combination. The same was true for male teen parents in the 1958 cohort and also for those who worked and had a family early. In the 1970 cohort, men who had no children or had children later had BMI that increased significantly less than those who became parents earlier. The only exception to this was a group of men with no family and unstable work.

Another notable finding across all three cohorts was that average BMIs for men at age 42 in all of the work-family groups were higher than the WHO threshold for overweight. The only exception was men who had children later or no children at all.

For women in the 1946 study, there was no real difference between the groups when we looked at how their BMI increased between the ages of 16 and 42. The average BMI of the 1958 cohort women who had children early increased significantly more than that of women who had them later. Women in the 1970 cohort who did not work and had children early had the biggest BMI rise (6.69) with teen parents (6.31) close behind. The average BMI of the 42 year-old women in these two groups was on the WHO obesity threshold (30), with the average BMI for the remaining work-family groups all falling under the WHO definition of overweight (25 and above).

Other interesting things to emerge included:

  • BMI increased more for male teen parents than female in the 1970 cohort
  • Marriage seems to have particular health benefits for men
  • Divorce has greater negative health effects for men than women

Negative impact

This research reinforces what we found earlier, which is that for both men and women having children early (especially in your teens) no matter what your background, is likely to have a negative impact on your health in mid life, especially if you don’t have a job or if your work is irregular or unstable. Looking across three cohorts, we can also see that those differences have become more pronounced.

How to explain and better understand how all this plays out in the day to day lives of younger parents is a challenge. Having children early may disrupt someone’s education or career. Younger parents may also be more likely to smoke and drink and exercise less than their older counterparts, unhealthy behaviours which can become established early and set in across adulthood.

Whatever the context and the reasons, there are some important messages here for young people, prospective parents, health and education professionals as well as for Government; not least that decisions about how to combine work and family life, especially when to become a parent, may have long lasting ramifications for your health.

This research adds to a growing body of evidence which makes it clear that, as far as obesity is concerned, early intervention is key and that we need to consider the complex way in which our biological and social lives intertwine over time.

Further information

Work-family life courses and BMI trajectories in three British birth cohorts is research by Rebecca Lacey, Amanda Sacker, Steven Bell, Meena Kumari, Diana Worts, Peggy McDonough, Diana Kuh, and Anne McMunn. It is published in the International Journal of Obesity.

Photo credit: Baby Fingers, Thomas