women's health & sleep research: keys to building a ... joan.pdf · women's health...
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Item type Presentation
Title SPECIAL SESSION: Women's Health and Sleep Research:A Health Ecology Exemplar for Dialogue on the Keys toBuilding a Research Career
Authors Shaver, Joan L
Downloaded 24-May-2018 19:56:19
Link to item http://hdl.handle.net/10755/335700
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Women's Health & Sleep Research: Keys to Building a Research Career
Joan L.F. Shaver
Professor and Dean
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Essential Researcher Skills
Creating evidence for understanding phenomena
Managing resources (people, time, money)
data
Marketing (selling)
writing, presenting (proposals, results)
Mentoring/Consulting: hearing/giving/applying constructive criticism
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Research Career: Keys Predisposing to Success
doctoral degree (dissertation)
postdoctoral study (expand methods &/or content)
pre-&/or postdoctoral fellowship &/or small grants
publish & present – writing
researcher position: continual learning - ‘how the
game is played’
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Shaver Research Career Predisposing Keys
• dissertation - YES - basic science (kidney physiology)
• postdoctoral study - NO
• pre/postdoc fellowship grant or small grant - NO
• publish & present - dissertation - YesShaver & Stirling (1978). Ouabain binding to renal tubules of the rabbit. Journal of Cell Biology , 76:278-292.
Shaver, Joan. (1977). Active salt reabsorption in rabbit kidney. Communicating Nursing Research, Western Council on Higher Education in Nursing, 10:61.
• researcher position: continual learning – YES – U. of Calgary
(Canada), U of Washington (Seattle, USA)
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Research Colleagues & Mentors
Nancy Woods Margaret ‘Peg”
Heitkemper
Martha ‘Marty’ Lentz
Carol Landis
Elizabeth ‘Betty’ Giblin
JS on Faculty ‘81-’96
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Study Proposal
Conduct
Study
Present
&
Publish
Create
&
Market
Market &
MentorManage
Attain
Funding
Profile
EvidenceCollect
Evidence
Build on
Evidence
SKILLS
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Research SuccessPrecipitating Keys:
• knowledge scan - gap analysis – ? fill gap
• preliminary data – literature, pilot/feasibility studies, pre-postdoctoral work
Think long-range: predict outcomes & next steps
if this result, then … or if not, then …
Goal - series of studies (program of research)
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Shaver & Team Research Precipitating Keys:
• knowledge scan - gap analysis - YES
• preliminary data - YESBiomedical Research Support Grant, School of Nursing, U of Washington. "Insomnia Assessment: PerimenopausalWomen" (Shaver PI) ($5,000)
Think long-range - NO
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nursing.arizona.edu
Dialogue: Ideas about knowledge scans/gap analysis
skills/processes?
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Gap Analysis
• outline framework (beliefs, known) – read to corroborate – read to expand/change framework & judge ‘weight of evidence’
• evidence? – for, against, equivocal, missing
• categorize, create taxonomy – some way compare & contrast - ‘add up’
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Shaver Knowledge Scan: Sleep in Midlife Women
• Surveys - 23 - 63% of post-menopausal
report insomnia (insufficient or poor quality sleep)
• comparing peri- or post- to pre-
menopausal - 2x more report poor sleep (20% - 40%)
with aging – know that sleep becomes less consolidated with more waking
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Shaver – Gap Analysis
• Very few studies of midlife, menopausal (MP) status & sleep
• Almost all – descriptive surveys for prevalence
• measured only self-reported sleep
• Sample selection bias – many from physician practices or clinics
• Prevalence range wide & no clear evidence or investigation that MP contributed to reported poor sleep (insomnia) in midlife
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Shaver & team: Create Evidence (for or against)
transition through menopause (time of ovarian hormone shifts)
associated with sleep disturbances
(insomnia)?(self-report & physical measures)
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Anatomy of a Proposal
1. Introduction – overview of ‘story’ while pointing to innovation, impact, relevance, significance of proposed aims
2. Specific Aims – key to whole proposal
3. Background – expansion - ‘criticality’ of proposed study
4. Preliminary Studies – results/developed expertisecritical to support proposed work
5. Methods – design, sample, measures, protocol, data analysis
6. Appendices
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Introduction – Précis of Proposal, Rationale for & Specification of Aims
• The Hook (attracting attention, inspiring interest)
• Summarize Relevant Science Gaps(analytically)
• Specify Aims (close gaps)
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Dialogue: What are ways of ‘hooking’ the reviewer?
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The Hook
• striking statistics – prevalence/incidence, economic impact, e.g., An estimated __ Americans are obese, estimated to
contribute to more than $__ billion a year in health care costs.
– dire consequences, e.g., In addition, every year, __ million Americans die from obesity-related diseases, i.e., one death every __ seconds.
• rarely or never studied, e.g., Emerging evidence points to a striking influence on health behaviors such as quitting smoking (refs) but no prior studies were found addressed to genotype influence in eating behaviors.
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Introduction: After the hook
• Context & Gap analysis (summary story)
– Convey what will close gaps
Serves as rationale for aims
– not known/has not been done/done poorly
– your novel approaches/additions
– what is to be gained (new knowledge, new measures, next steps)
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More powerful to write analytically rather than descriptively
Dialogue: what is analytical (vs. descriptive) writing?
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Analytical writing - Examples
• Compare across populations, features, etc.• E.g., The weight of current evidence is suggestive that
perceived poor and non-restorative sleep is highly prevalent with the functional somatic syndromes of fibromyalgia; evident perhaps in fewer women with irritable bowel; and not well established with chronic pelvic pain.
• Explain/suggest why inconsistencies occur
E.g., The inconsistencies across studies in part emanate from varied subject selection processes relative to their chronic conditions and non-comparable selection of sleep indicators by which to judge poor or non-restorative sleep.
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Analytical Writing
• Summarize weight of evidence and/or why variability across studies, e.g.,
Six studies showed a relationship of pain to sleep and four did not, perhaps due to more sample heterogeneity than has been addressed - including for stage/severity of the syndrome , extent of emotional arousal, inherent sleep quality, or stress reactivity.
• make clear how your study will resolve issues –e,g, more homogeneous sample or analyze for hetero; measure wider range of contributing factors, e.g.,
E.g., We are proposing a study by which to compare sleep across women with painful functional somatic syndrome by sub-classifying women according to …, thereby more comprehensively revealing the links between sleep and pain.
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Shaver & team: Sleep & Midlife Woman
Of the more that 51 million midlife women transitioning through menopause, self-reported prevalence data indicate that as many as 50-60% have poor sleep (insomnia).
Knowing that poor sleep is associated with (dire consequences) …, large numbers (≈ 25+ mil) of women are vulnerable to poor health that could be prevented.
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Introduction - Aims
• Aims - playbook
– for closing the gaps
– key to whole proposal
• Format – as declarative statements, questions, or hypotheses
• (Spend much time crafting!)
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Introduction - Aims
• Aims should reveal:
Variables of interest - VOI (label well & use consistently)
How VOI are measured
Relationships to be tested or concepts of interest to be dervied, described, explained
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Shaver – Menopause & Sleep Aims
• To determine the proportion of community-living midlife women (20-55 yrs. old) reporting poor sleep (insomnia)
• In midlife women classed as in pre-, peri, & post-menopause, determine differences in sleep patterns as measured by physiological & perceived sleep quality (PSG & single item rating).
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Background – analytical expansion
• Section headings – match aims
• Expand on gap analysis – what we do & do not know & why (content & methods shortcomings)
– Few studies, limited populations, conceptual/theoretical deficits, outcome deficits, measures deficits, design flaws
– Weave in how your study will address shortcomings & what impact it will have
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What makes paragraphs (convey dominant idea/message)
easily comprehensible?
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The Parts of a Paragraph
1. Claim statement: make overarching ‘critical’ claim related to storyline & aims
2. Critical evidencea) what we do & do not know & why (stay on topic)b) what it might/does or might not/does not meanc) evidence – for/against/equivocal or not determined
3. Conclusion: Your stand! So What!E.g., The weight of the evidence supports our intentions to…
E.g., The dearth of (limited) evidence points to the need for…
E.g., Therefore, we have designed our study to …
E.g., Thus, one can infer … or What is needed is …
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Shaver & Team Proposal Funding
• 1987-90 Center for Nursing Research, National Institutes of Health, Bethesda, MD
• "A Nursing Study of PerimenopauseInsomnia" (Shaver, PI)
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Perimenopause Insomnia Study
• Selected:
- healthy community-living (N=82)
- for age (40-55 yrs) regardless of sleep & menopause Sx
• Measured
– sleep – self-report & polysomnography (PSG)
– emotional distress (SCL-90R)
– menopausal Sx (vasomotor sx)
– somatic Sx
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Self- Report and Somnographic Sleep
Quality Indicators
• Self-rated usual sleep
“very good”, “good” or “fair”=Good
“poor” or “very poor” = Poor
• Calculated sleep efficiency (PSG)
(proportion of time in bed asleep)
High SE > 85% = Good
Low SE < 85% = Poor
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Sleep Subtypes (N = 82)
SE = sleep
efficiency
(polysomnograpy
= PSG)
Reported
Good Sleep
(No insomnia)
Reported
Poor Sleep
(Insomnia)
Total
Recorded
Good Sleep
SE > 85%
57.3%(n = 47)
14.6%(n = 12) 59
(72%)
Recorded
Poor Sleep
SE < 85%
(insomnia)
19.5% (n = 16)
8.5%(n= 7) 23
(28%)
Total = 63 (77%)
Total = 19 (23%)
SE = PSG sleep efficiency – sleep time/time in bed with lights out
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Peri-menopause Status Determination (N = 76)
• Premenopause: (n = 20)
– regular menstrual cycles (MC), no hot flash sx, normal FSH
• Perimenopause: (n = 32)
– Irregular MC, hot flashes, normal/high FSH
• Postmenopause: (n = 24)
– > 2 years since LMP
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No sleep indicators were different across
menopausal groups
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Menopausal Hot Flash Symptoms (sx)
night sweats
daytime hot spells
daytime sweats
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PSG Sleep Efficiency With& Without Hot Flash Symptoms (Sx)
N = 76
82
84
86
88
90
92
94
92%
87%
90%
88%
94%
Pre (n=20)
Peri+Sx (n=20)
Peri-Sx (n=12)
Post+Sx (n=19)
Post-Sx (n=5)
No HF Sx
+ HF
SX
+ HF
SX
HF SX = 2 or more HF within 2 days of lab sleep
No HF Sx
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Conclusions - phase 1
• a subset of midlife report poor sleep (23%)
• more with insomnia than have detectable poor physical (PSG) sleep
• insomnia influenced by hot flashes
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Psychological Distress:Symptom Checklist-90R (SCL-90R)
3 global scales
9 Subscales:somatization
anxiety
depression
obsessive-compulsive
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Psychological distress in sleep sub-
types (ANOVA P<0.04) SCL-90R
0
0.2
0.4
0.6
0.8
1
1.2
1.4SOMATIZATION
ANXIETY
DEPRESSION
GSI
Insomnia (perceived poor sleep)
Good PSG Sleep
Good PSG Sleep
No Insomnia
*
*
*
**
**
*
Poor PSG Sleep
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Somatic Symptoms
headache, backache, joint pain, diarrhea,
tingling, heart racing,dizziness
tiredness, cough, shortness of breath
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0
0.5
1
1.5
2
2.5
3 Somatic Sx
Menopausal Sx
Good PSG SE
Somatic & Menopausal Sx in Sleep Subtypes ANOVA < p 0.01
Insomnia(perceived poor sleep)
No Insomnia
Poor PSG SE
Good PSG SE
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Conclusions Phase 2:
2 Patterns Insomnia – perceived poor sleep
+ poor PSG Sleep predominant menopausal symptoms
+ good PSG Sleep predominant psychological
distress & general somatic symptoms
high life strain
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Summary Conclusions
natural ovarian hormone fluctuations disrupt sleep in some women
two patterns of insomnia Type 1– perceived poor & recorded poor
dominant menopausal Sx ? Treat hot flashes to improve sleep
Type 2 – perceived poor & recorded good dominant emotional distress/life strain
? Treat stress activation to improve sleep
Sleep, 14(1), 2001
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Digalogue: How important is it to Formulate/Work From a
Framework?
Advantages?
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Health/Illness
Phenomenon
E.g. Age
Genetics
Gender
E.g., Knowledge
Attitudes, Traits
Health-related
Behaviors
E.g. Social support
Noise, Light
Food availability
Microorganisms
Human Health Ecology Framework
E.g., Symptoms :Pain, Fatigue, Insomnia, PTSD
Diseases: Diabetes, CVD, Cancer, Major Depression, Fibromyalgia
Conditions/Context: Wound Healing, Preventing Bedsores, Care-
giver Stress, Menopause Transition
Person Factors
Vulnerability/Resilience
Environmental
Factors
Risks/Resources
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Health/Illness
Phenomenon
Person Factors
Vulnerability/Resilience
Nursing Therapeuticsbeing with/participatory
assess/diagnose - monitor/surveil
intervene/coordinate
Environmental Factors
Risks/Resources
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Sleep Drive
Component(Balance of Neurochemicals
e.g., Adenosine)
Timing/Rhythm
Component(Light/dark-hormone
Response e.g., Melatonin)
Circadian
Facilitators/
Inhibitors(Environment, Behaviors)
Sleep Regulation
Homeostatic
Sleep disturbance/
reinforcement
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Sleep Quality
(Insomnia)
Environment
• Light/Dark Cycles
• Sensory Inputs
• Social Patterns
• Behavioral Cues
Person
• Sleep Drive
Cognitive-Emotional Arousal
Physiological Activation
• Circadian Timed Hormones
• Sleep-related Behaviors
Activator-
Inhibitor Control
Stress Episodic or
Enduring
Episodic or Enduring
Health Ecology Framework - Sleep Quality
Sleep out of synchrony with light/dark cycle = poor sleepLow/normal drive – normal/high stress arousal/activation = poor sleep
Behaviors conditioned negative to sleep = poor sleep
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Sleep Quality
(Insomnia)
Environment
• Body temp. control
• Ambient temp. control
• Comfort – pain control
• Dark & quiet
• Positioning
• Sleep surface
Person
• Sleep Drive – stress & beliefs
management• Timing – consistent sleep period
relative to light dark cycle
• Sleep-related Behaviors – routine,
regularize, relax, resist sleep-
interfering behaviors
Activator-
Inhibitor Control
Therapeutic Considerations for Preventing or
Treating Insomnia
Sleep out of synchrony with light/dark cycle = poor sleepLow/normal drive – normal/high stress arousal/activation = poor sleepBehaviors conditioned to or environment negative to sleep = poor sleep
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Building on Evidence
• Evidence of substantial prevalence of
insomnia in midlife• No evidence of MP hormonal changes
being prominent
• Evidence of stress emot. arousal & likely stress physiological activation play a role
• Chose to pursue stress and insomnia
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Study Proposal
Conduct
Study
Present
&
Publish
Create
&
Market
Market &
MentorManage
Attain
Funding
Profile
EvidenceCollect
Evidence
Build on
Evidence
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Funding for Building• 1987-90 Center for Nursing Research, National Institutes
of Health, Bethesda, MD, "A Nursing Study of Perimenopause Insomnia"
• 1989-94 Center for Women's Health, NIH, "Symptoms and Stress Responsivity in Midlife Women". (Shaver - Co-director & PI)
• 1992-96 Center for Nursing Research, NIH, "A Nursing Study of Perimenopause Insomnia" (continuation) (Shaver -PI)
• 1996-2000 National Institute of Nursing Research, NIH, continuation of Sleep Studies in Midlife Women, “A Nursing Study of Sleep and Fibromyalgia in Midlife Women.” (Shaver, PI)
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Closing Reflections – my good fortune to work closely with many STTI Researcher Hall of
Fame Nurse Colleagues
Dr. Nancy Woods
Dr. Margaret Heitkemper
Dr. Pamela Mitchell
Dr. Ruth McCorkleNow - Yale
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STTI Researcher Hall of Fame Nurse Colleagues
Dr. JoEllen Wilbur Now - Rush U.
Dr. Nina PeragalloDean – U. of Miami
Dr. Carol FerransAssoc. Dean UIC
Dr. Usha MenonNow – Vice Dean
Ohio State U.
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STTI Researcher Hall of Fame Nurse Colleague
Dr. Ki MooreDivision & Academic Programs Director
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Shaver: Research Mentorship Phases
• Have had the good fortune of working with many pre & post- PhD scholars – students/faculty –who excelled, e.g.,
Dr. Kathryn LeeUCSF
STTI INR Hall of Fame
Dr. Cynthia DoughertyU of Wash
STTI INR Hall of Fame
Dr. Mary KapellaU. Of Illinois at Chicago (UIC)
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Mentorship Continues …
At the University of Arizona .. E.g.,
Dr. Sheila GephartUA
How lucky am I!
+
Dr. Jane CarringtonUA
Dr. Tad Pace UA
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