Hamilton Cohort Study

05/01/2024

Dr. Barakat and colleagues delved into researching the long-term impacts of childhood exposure to air pollution on respiratory health in adulthood using data collected from the Hamilton Children Cohort originally studied in the 1970s and 1980s.

Thirty years later, a self-administered questionnaire was used to collect data from adulthood on health status, occupational and residential histories, socioeconomic status, and lifestyle.

The study revealed surprising findings. While findings from previous studies link short-term respiratory health outcomes with exposures to particulate matter for children, the study conducted by Dr. Barakat and colleagues suggests that there may in fact be mitigating factors that may be protective for long-term respiratory health.

Read more: https://pubmed.ncbi.nlm.nih.gov/22463842/ #:~:text=Results%20suggest%20that%20exposure%20to,conditions%20and%20symptoms%20in%20adulthood.

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Findings suggest that long-term childhood exposure to air pollution does not predict respiratory conditions and symptoms in adulthood. However, respiratory health in childhood predicts adulthood respiratory health, thus suggesting that the health impacts of any exposures that impact respiratory heal...

04/30/2024

Amidst the rise of air pollution, Dr. Barakat and colleagues designed a follow-up study to examine the relationship between childhood exposure to air pollution in Hamilton, Ontario, and long-term respiratory health. The study also aimed to identify significant predictors of respiratory health in adulthood.

Findings highlighted that respiratory health in adulthood is linked to childhood asthma or chest colds, long-term residential exposure to air pollutants, and the absence of parental asthma history. The study emphasized gender-specific and childhood-related factors in respiratory health. For example, persistent morning cough and high sulphur dioxide levels were risk factors for respiratory health for females, while childhood asthma and occupational exposure to fumes were significant factors for respiratory health for males.

Read more:https://tspace.library.utoronto.ca/bitstream/1807/42120/1/Barakat-Haddad_C%20%281%29.pdf

04/29/2024

In 1978, McMaster University researchers in Hamilton, Ontario initiated a groundbreaking 3-year cohort study that delved into the complex issue of understanding the health impacts of air pollution for Hamilton children.

The study recruited 3 345 children aged 7 to 10 years, achieving an impressive response rate of over 95%! Interviewers administered comprehensive sociodemographic and health questionnaires, pulmonary function tests, as well as closely monitored outdoor air quality using advanced suspended particulate and sulfur dioxide monitors.

Results revealed intriguing insights. For instance, cigarette smoking was reported in 5% of the children, and the prevalence of parental smoking and gas cooking was greatest in the industrial area, which also exhibited the high particulate pollution.

Read more: https://pubmed.ncbi.nlm.nih.gov/3717771/

The relative importance of the effect of outdoor environmental factors (suspended particulates, sulphur dioxide) and indoor environmental factors (parental smoking, gas cooking), on the respiratory health of children is still unclear. To answer these questions, a 3-yr cohort analytic study has been....

04/22/2024

🌬️ Calling all Hamilton Children Cohort participants! 🌬️

Did you or your child attend a Hamilton elementary school between 1978 and 1986? If so, you might be part of groundbreaking research! 📚

McMaster University researchers conducted a pioneering air quality study back then to examine short-term health effects. NOW, a research team is tracing original participants to study the long-term health effects of childhood exposure to air pollution. 🧪

If you or someone you know was part of the Hamilton Children Cohort, help us reconnect! Your involvement could unravel significant insights into chronic respiratory and inflammatory diseases. 💡

Visit our website www.cshair.ca for more info and fill out our survey here (https://forms.gle/GgTxH9FhdGgLLB4B7).

Confirmed participants will win a gift card!

Let's make a difference together! 🌱