Ben Johnston’s research while affiliated with Health New Zealand and other places

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Publications (17)


The effects of a brief lifestyle intervention on health behavior and weight loss maintenance in airline pilots during COVID-19
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December 2021

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100 Reads

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Ben Johnston

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https://www.mdpi.com/journal/nutrients/events/13727

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Flow diagram of participant recruitment and data collection.
Mean values on objective and subjective health outcomes measured across time (Baseline and 12-months), showing 95% confidence intervals. (a), Bodyweight; (b), Mean Arterial Presurre; (c), Pittsburgh Sleep Quality Indx; (d), Fruit and Vegetable Intake, (e) Weekly Waliking Minuters; (f), Weekly MVPA Minutes; (g) PCS-12; (h), MCS-12. MVPA = moderate-to-vigorous physical activity. PCS-12 = physical component summary score. MCS-12 = mental component summary score. * indicates a significant difference compared to Baseline.
Changes in objective and subjective health metrics from baseline and follow-up at 12-months.
Additional analysis: Changes in objective and subjective health metrics from post intervention at 4-months to follow-up at 12-months in the intervention group.
Cont.
The Effects of a Brief Lifestyle Intervention on the Health of Overweight Airline Pilots during COVID-19: A 12-Month Follow-Up Study

November 2021

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277 Reads

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11 Citations

Abstract: The aim of this study was to perform a 12-month follow-up of health parameters after a 17-week lifestyle intervention in overweight airline pilots. A parallel-group (intervention and control) study was conducted amongst 72 overweight airline pilots (body mass index > 25) over a 12-month period following the emergence of COVID-19. The intervention group (n = 35) received a personalized dietary, sleep, and physical activity program over a 17-week period. The control group (n = 37) received no intervention. Measurements for subjective health (physical activity, sleep quality and quantity, fruit and vegetable intake, and self-rated health) via an electronic survey, and objective measures of body mass and blood pressure were taken at baseline and at 12 months. Significant interactions for group × time from baseline to 12-months were found for all outcome measures (p < 0.001). Body mass and mean arterial pressure significantly decreased in the intervention group when compared to the control group (p < 0.001). Outcome measures for subjective health (physical activity, sleep quality and quantity, fruit and vegetable intake, and self-rated health) significantly increased in the intervention group when compared to the control group (p < 0.001). Results provide preliminary evidence that a brief three-component healthy sleep, diet and physical activity intervention can elicit and sustain long-term improvements in body mass and blood pressure management, health behaviors, and perceived subjective health in pilots and may support quality of life during an unprecedented global pandemic.





The effectiveness of a 17-week lifestyle intervention on health behaviors among airline pilots during COVID-19

November 2020

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1,695 Reads

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24 Citations

Journal of Sport and Health Science

Purpose The aim of this study was to evaluate the efficacy of a 17-week, 3-component lifestyle intervention for enhancing health behaviors during the coronavirus disease-2019 (COVID-19) pandemic. Methods A parallel-group (intervention and control) study was conducted amongst 79 airline pilots over a 17-week period during the COVID-19 pandemic. The intervention group (n = 38) received a personalized sleep, dietary, and physical activity (PA) program. The control group (n = 41) received no intervention. Outcome measures for sleep, fruit and vegetable intake, PA, and subjective health were measured though an online survey before and after the 17-week period. The changes in outcome measures were used to determine the efficacy of the intervention. Results Significant main effects for Time × Group were found for International Physical Activity Questionnaire-Walk (p = 0.02) and for all other outcome measures (p < 0.01). The intervention group significantly improved in sleep duration (p < 0.01; d = 1.02), Pittsburgh Sleep Quality Index score (p < 0.01; d = –1.01), moderate-to-vigorous PA (p < 0.01; d = 1.32), fruit and vegetable intake (p < 0.01; d = 3.11), Short-Form-12v2 physical score (p < 0.01; d = 1.84), and Short-Form-12v2 mental score (p < 0.01; d = 2.69). The control group showed significant negative change for sleep duration (p < 0.01; d = –0.47), Pittsburgh Sleep Quality Index score (p < 0.01; d = 0.28), and Short-Form-12v2 mental score (p < 0.01; d = –0.64). Conclusion Results provide preliminary evidence that a 3-component healthy sleep, eating and PA intervention elicit improvements in health behaviors and perceived subjective health in pilots and may improve quality of life during an unprecedented global pandemic.


Citations (8)


... 30 A cohort of specialised occupational pilots revealed a statistically significant inverse correlation between BMI, WC, PBF and SBP, DBP, mean arterial pressure (p < 0.001). 31 The results of this study have implications for nutritional interventions. In older women, diets rich in meat, vegetables, dairy products, fruit and eggs have been linked to increased bone mineral density, whereas beverages and fried foods have been associated with decreased L1−4 32 In a Japanese study related to dietary intervention for visceral fat in male patients, it was found that Optimized Nutri-Dense Meals without strict control of total energy, limiting saturated fatty acids only to 6.2 grams per two meals is beneficial for visceral fat reduction. ...

Reference:

Relationship Between Body Composition and Hypertension in Postmenopausal Women with Osteoporosis—A Single-Center Cross-Sectional Study
The relationship between cardiorespiratory fitness and blood pressure among airline pilots: a mediation analysis of body composition

Journal of Hypertension

... While pharmacological treatments are commonly used, there is growing interest in non-drug therapies and lifestyle modifications. The current findings examine the effectiveness of these interventions, focusing on behavioral therapies, sleep hygiene, physical activity, dietary changes, and other complementary approaches (Briguglio et al. 2020;Wilson et al. 2022Wilson et al. , 2023. ...

Healthy Nutrition, Physical Activity, and Sleep Hygiene to Promote Cardiometabolic Health of Airline Pilots: A Narrative Review

Journal of Lifestyle Medicine

... Among the general population, a large body of evidence suggests that lifestyle behaviors physical activity, nutrition, sleep, alcohol consumption, and smoking are independently associated with mental health, yet the direct relationship of each behavior with mental health has not been sufficiently explored among airline pilots. Recent reports from clinical trials suggest improvements in health behaviors are associated with elevated perceived mental health, improved cardiometabolic fitness, and decreased fatigue [18][19][20][21][22][23]. Further, diet management and physical exercise have been reported as the most prevalent coping mechanisms for work-related stress among airline pilots [15]. ...

A Contactless App-Based Intervention to Improve Health Behaviors in Airline Pilots: A Randomized Trial

American Journal of Preventive Medicine

... While pharmacological treatments are commonly used, there is growing interest in non-drug therapies and lifestyle modifications. The current findings examine the effectiveness of these interventions, focusing on behavioral therapies, sleep hygiene, physical activity, dietary changes, and other complementary approaches (Briguglio et al. 2020;Wilson et al. 2022Wilson et al. , 2023. ...

The Effectiveness of a Combined Healthy Eating, Physical Activity, and Sleep Hygiene Lifestyle Intervention on Health and Fitness of Overweight Airline Pilots: A Controlled Trial

... These factors contribute to hypertension, hyperlipidemia, obesity, obstructive sleep apnea and diabetes. In a systematic review by Wilson et al., even though there tended to be less smokers among pilots, more than half of pilots have been found to be overweight or obese, with low physical activity levels, and frequently exhibit high levels of alcohol intake [8]. High quality epidemiologic studies specific to pilot cardiometabolic health risk, are lacking. ...

The Prevalence of Cardiometabolic Health Risk Factors among Airline Pilots: A Systematic Review

... In fact, aviation pilots tend to be a healthy cohort as they undergo regular medical examinations to renew their flight license. Any parameter out of range may cause the withdrawal of the flight license, fact that makes them concern about their health and take steps to preserve it, one of them being physical activity [50,51]. This might be in line with a higher animal-based protein intake that could justify the higher serum vitamin B 12 levels found in this cohort, although the amount of protein intake was not analyzed. ...

The prevalence and distribution of health risk factors in airline pilots: a cross-sectional comparison with the general population

Australian and New Zealand Journal of Public Health

... Additionally, it facilitates interactions in a community setting, encouraging the adoption of a healthy lifestyle. Numerous studies have validated the efficacy of lifestyle interventions in lowering BP and preventing or delaying hypertension (18,19). Research has also demonstrated a positive correlation between HbA 1c and BP (20). ...

The Effects of a Brief Lifestyle Intervention on the Health of Overweight Airline Pilots during COVID-19: A 12-Month Follow-Up Study

... Wu et al. [58] found that pilots from countries dominated by Western cultural traditions tended to have a lower prevalence of depression. The high prevalence of depression and anxiety in pilots can be attributed to multiple reasons, such as occupational stress (i.e., high workload and shift work) [7], unhealthy lifestyle [61], low income level [5], and adverse working or life experiences (e.g., substance abuse and verbal or sexual abuse) [6]. For example, there is evidence that pilots with longer hours of duty were more likely to report feeling depressed or anxious [4]. ...

The effectiveness of a 17-week lifestyle intervention on health behaviors among airline pilots during COVID-19

Journal of Sport and Health Science