Seeking: Flight Attendants willing to participate in a vitamin D screening study

Dr. Mardi Crane-Godreau is seeking volunteers of former and current flight attendants to participate in respiratory and vitamin D screening studies.

  • Screenings available in the Boston and NYC area.
  • We need volunteers who suspect, or have been diagnosed with respiratory disease as well as healthy volunteers.
  • There are no age limits.
  • If you flew for at least 5 years prior to 1992, and would be willing to participate in this important study, please email: Margaret.A.Crane@Dartmouth.EDU or call (603) 653-9970 and leave a message with your name, email address and phone number.

Thank you in advance for your contribution of time and energy in support of improving human health world wide.

Mardi Crane-Godreau, PhD
Assistant Professor
Dept of Microbiology and Immunology
Geisel School of Medicine
1 Medical Center Drive
HB 7936
Lebanon, NH 03756
603-653-9970
Norris Cotton Cancer Center Investigator
Somatic Experiencing Trauma Inst. Board

Flying the smoky skies: secondhand smoke exposure of flight attendants

J. Repace.
Tobacco Control 2004;13;i8-i19

Download the publication: FA smoking lit

Flight attendants reported suffering greatly from SHS pollution on aircraft. Both government and airline sponsored studies concluded that SHS created an air pollution problem in aircraft cabins, while tobacco industry sponsored studies yielding similar data concluded that ventilation controlled SHS, and that SHS pollution levels were low. Between the time that non-smoking sections were established on US carriers in 1973, and the two hour US smoking ban in 1988, commercial aircraft ventilation rates had declined three times as fast as smoking prevalence. The aircraft cabin provided the least volume and lowest ventilation rate per smoker of any social venue, including stand up bars and smoking lounges, and afforded an abnormal respiratory environment. Personal monitors showed little difference in SHS exposures between flight attendants assigned to smoking sections and those assigned to non-smoking sections of aircraft cabins.

Conclusions: In-flight air quality measurements in ,250 aircraft, generalised by models, indicate that when smoking was permitted aloft, 95% of the harmful respirable suspended particle (RSP) air pollution in the smoking sections and 85% of that in the non-smoking sections of aircraft cabins was caused by SHS. Typical levels of SHS-RSP on aircraft violated current (PM2.5) federal air quality standards ,threefold for flight attendants, and exceeded SHS irritation thresholds by 10 to 100 times. From cotinine dosimetry, SHS exposure of typical flight attendants in aircraft cabins is estimated to have been .6-fold that of the average US worker and ,14-fold that of the average person. Thus, ventilation systems massively failed to control SHS air pollution in aircraft cabins. These results have implications for studies of the past and future health of flight attendants.

2007 Flight Attendant Health Study Results

Researchers at Harvard School of Public Health conducted a landmark study in 2007 on this subject, and follow-up today is needed to understand trends in flight attendant health over time.

  • Over 4,000 flight attendants participated in the first study. Help us exceed this number.
  • The prevalence of respiratory disease amongst Flight Attendants was approximately three times that found in the general U.S. population.
  • In addition, sleep disorders, fatigue, depression and heart disease were greatly increased in female Flight Attendants compared to the U.S. population.
  • Release of the FAA Report (Coming Soon!)  Read our presentation at the International Society of Environmental Epidemiology conference, Barcelona, Spain 2011

Take me to the journal article online

Download pdf: Air Transportation and Flight Attendant Health

Join the current updated Flight Attendant Health Study

 

The self-reported health of U.S. flight attendants compared to the general population

Background:Few studies have examined the broad health effects of occupational exposures in flight attendants apart from disease-specific morbidity and mortality studies. We describe the health status of flight attendants and compare it to the U.S. population. In addition, we explore whether the prevalence of major health conditions in flight attendants is associated with length of exposure to the aircraft environment using job tenure as a proxy.

Methods:
We surveyed flight attendants from two domestic U.S. airlines in 2007 and compared the prevalence of their health conditions to contemporaneous cohorts in the National Health and Nutrition Survey (NHANES), 2005-2006 and 2007-2008. We weighted the prevalence of flight attendant conditions to match the age distribution in the NHANES and compared the two populations stratified by gender using the Standardized Prevalence Ratio (SPR). For leading health conditions in flight attendants, we analyzed the association between job tenure and health outcomes in logistic regression models.

Results:
Compared to the NHANES population (n =5,713), flight attendants (n = 4,011) had about a 3-fold increase in the age-adjusted prevalence of chronic bronchitis despite considerably lower levels of smoking. In addition, the prevalence of cardiac disease in female flight attendants was 3.5 times greater than the general population while their prevalence of hypertension and being overweight was significantly lower. Flight attendants reported 2 to 5.7 times more sleep disorders, depression, and fatigue, than the general population. Female flight attendants reported 34% more reproductive cancers. Health conditions that increased with longer job tenure as a flight attendant were chronic bronchitis, heart disease in females, skin cancer, hearing loss, depression and anxiety, even after adjusting for age, gender, body mass index (BMI), education, and smoking.

Conclusions:
This study found higher rates of specific diseases in flight attendants than the general population. Longer tenure appears to explain some of the higher disease prevalence. Conclusions are limited by the cross-sectional design and recall bias. Further study is needed to determine the source of risk and to elucidate specific exposure-disease relationships over time.

A demonstration of the Qigong movement entitled: Drawing Down The Moon

What is Qigong, and what does it have to do with Flight Attendants? –We’re glad you asked!

What is Qigong, and what does it have to do with Flight Attendants? –We’re glad you asked!

Qigong is a traditional Chinese health practice; its roots go back at least 5000 years. Like Yoga? Yes, but Qigong has its own unique methods and is increasingly gaining popular and scientific recognition as a powerful and sophisticated way of dealing with a number of health problems including respiratory problems, bone density and the effects of stress.

Research into Flight Attendant health has confirmed what you all know already: Flight Attendants experience a wide variety of extreme stressors. From the need to remain vigilant to safety issues, to poor cabin air, physically difficult working conditions, crazy schedules, jet lag, demanding passengers and (until smoking was banned in commercial aircraft) second-hand cigarette smoke.  You know how it is!

These different stressors can affect the body at the time of the event. Some continue to influence health for decades after the event.  They impact multiple systems in the body, so one strategy is to find effective interventions that can work on the whole body to reduce imbalances that have adverse effects on health.

Qigong appears to be one of the best candidates! You see, stress operates through its influence on the “autonomic nervous system” (ANS)–that part of the nervous system that regulates blood pressure, heart rate, digestion, and even some parts of the immune system. When we are in a stressful situation, the ANS helps us deal with it by activating, enabling us to be more alert, stronger, quicker, and to ignore the demands of our own body. But if the stress is too great, or goes on for too long, our ANS may be unable to come back into balance and allow us to recuperate. This “accumulated stress” makes us feel tense, or sometimes numb to our own bodies.  In the long run when the ANS is out of balance, it can lead to symptoms: high or low blood pressure, heart disease, breathing restriction, depression or anxiety, and even cancer or immune system disorders!

So where does Qigong come in? Well, it turns out that Qigong is a way of learning to consciously regulate the ANS; in other words, Qigong shows you how to restore balance to your autonomic nervous system, shedding the accumulated stress and enabling your breathing, circulation, digestion, immune system, and even your mood and energy levels, to return to normal.

How does it accomplish this seeming miracle? Qigong draws on a sophisticated “inner know-how”, developed over thousands of years, and recently validated by scientific research. It uses slow gentle movement, accompanied by breathing and focusing the mind in specific ways, to restore the “energy flow” in the body and mind–another way of saying “to balance the nervous system”. You can see a couple of video examples of Qigong exercises here; these are safe and enjoyable, and will reliably help you release excess stress. (insert link to video) Enjoy!

Now, although we know from countless stories about the power of Qigong, and we also know from scientific research that many of its claims are valid, this is not enough for us to be able to say with certainty that it will help Flight Attendants with their accumulated health problems. We were recently funded by the Flight Attendants Medical Research Institute (FAMRI) to find out for sure.  We expect to announce the opening of this study in the Fall of 2014.

In the short term, if you are a flight attendant who flew for at least 5 years prior to the smoking ban and who was not a voluntary smoker, you can participate in a screening study that is being conducted by
Mardi Crane-Godreau and Peter Payne.

Feel free to leave a message  at 1-603-653-9970 or send them an email them at
Margaret.A.Crane@Dartmouth.edu

You can also enter your own work and health history at this link.

Associations between respiratory illnesses and secondhand smoke exposure in flight attendants: A cross-sectional analysis of the Flight Attendant Medical Research Institute Survey

Background:Secondhand tobacco smoke (SHS) is associated with increased risk of respiratory illness, cancer, and cardiovascular disease. Prior to smoking bans on airlines in the late 1980s, flight attendants were exposed to a significant amount of SHS. In the present study, we examine associations between flight attendant SHS exposure and development of respiratory illnesses and cardiovascular disease.

Methods:
Between December 2006 and October 2010, three hundred sixty-two flight attendants completed an online questionnaire with information regarding experience as a flight attendant, medical history, smoking history, and SHS exposure. Rates of illnesses in flight attendants were compared with an age and smoking history matched population sample from NHANES 2005-2006. Logistic regression analysis was used to examine the association of reported medical conditions and pre-ban years of exposure.

Results:
Compared with the sample from NHANES 2005-2006, flight attendants had increased prevalence of chronic bronchitis (11.7% vs. 7.2%, p < 0.05), emphysema/COPD (3.2% vs. 0.9%, p < 0.03), and sinus problems (31.5% vs. 20.9%, p < 0.002), despite a lower prevalence of medical illnesses including high blood pressure, diabetes, high cholesterol, heart failure, cancer, and thyroid disease. Amongst flight attendants who reported never smoking over their lifetimes, there was not a significant association between years of service as a flight attendant in the pre-smoking ban era and illnesses. However, in this same group, there was a significantly increased risk of daily symptoms (vs. no symptoms) of nasal congestion, throat, or eye irritation per 10-year increase of years of service as a flight attendant prior to the smoking ban (OR 2.14, 95% CI 1.41 - 3.24). Conclusions: Flight attendants experience increased rates of respiratory illnesses compared to a population sample. The frequency of symptoms of nasal congestion, throat or eye irritation is associated with occupational SHS exposure in the pre-smoking ban era.