JEH quiz.

 
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FEATURED ARTICLE QUIZ #1

Impacts of Industrial Wind Turbine Noise on Sleep Quality: Results From a Field Study of Rural Residents in Ontario, Canada

Quiz deadline: October 1,2016

  1. Environmental noise has been associated with__in previous studies.

    1. cognitive performance

    2. annoyance

    3. cardiovascular disease

    4. sleep disturbance

    5. all the above

  2. Industrial wind turbines (ITWs) have been associated with annoyance and decreased health-related quality of life.

    1. True. b. False

  3. In this study, a random sample of__residents in the exposed community and__residents in the unexposed community were selected for door-to-door recruitment.

    1. 12; 10

    2. 15; 12

    3. 29; 25

    4. 50; 56

  4. The final participation rate for the study was

    1. 33%.

    2. 43%.

    3. 48%.

    4. 50%.

  5. Reasons for exclusion in the study included

    1. use of sleep medication. b. location of the bedroom in the basement of the house.

    2. diagnosis of a preexisting sleep disorder.

    3. a and c.

    4. all the above.

  6. __were used to provide more detailed information on perceptions of the quality of sleep and the causes of awakenings.

    1. Actigraphy devices

    2. Video cameras

    3. Sleep diaries

    4. Family interviews

  7. The__group reported a greater frequency of poor sleep nights.

    1. exposed

    2. unexposed

  8. For the exposed group, __was reported as the greatest source of awakenings.

    1. child or partner

    2. use of bathroom

    3. pain

    4. other

  9. __ and __ showed the largest amount of variation between the exposed and unexposed groups.

    1. Sleep onset latency; time in bed

    2. Sleep efficiency; wake after sleep onset

    3. Time in bed; total sleep time

    4. Total sleep time; sleep efficiency

  10. Factors such as __ may have impacted the study's ability to demonstrate a statistically significant relationship between IWTs and poor sleep.

    1. a small sample size

    2. a lack of a true association

    3. uncontrolled confounders

    4. a and c only

    5. all the above

  11. Limitations of the study include a modest sample size and subsequent low statistical power.

    1. True.

    2. False.

  12. Barriers to community participation in studies like this one include

    1. organized lobbying against participation.

    2. a lack of trust in researchers

    3. beliefs that research cannot provide a positive impact.

    4. all the above.

    5. none of the above.

    JEH Quiz #5 Answers

    March 2016

  13. c

  14. b

  15. d

  16. a

  17. c

  18. d

  19. b

  20. c

  21. b

  22. a

  23. c

  24. c

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