the impact of and management of obesity at kaiser permanente academy health national health policy...
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![Page 1: The Impact of and Management of Obesity At Kaiser Permanente Academy Health National Health Policy Conference February 4-5, 2008 Washington, D.C. Francis](https://reader035.vdocument.in/reader035/viewer/2022062421/56649ce05503460f949aaaf8/html5/thumbnails/1.jpg)
The Impact of and Management of Obesity At Kaiser Permanente
Academy Health National Health Policy ConferenceFebruary 4-5, 2008Washington, D.C.
Francis J. Crosson, MDSenior Medical Director
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Agenda
The prevalence of obesity among Kaiser Permanente members
The impact of obesity on morbidity and system costs
The range of clinical interventions at Kaiser Permanente
Evidence of relative effectiveness
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Kaiser Permanente
America’s oldest and largest private, nonprofit, integrated health care delivery and financing system — Founded in 1945
Multi-specialty group practice prepayment program — Headquartered in Oakland, CA
8.7 million members — more than 6 million members in California
Over 13,000 physicians representing all specialties and 156,000 additional employees
Operations in nine states and Washington, D.C.
KP Research Centers — $100,000,000 in external funding in 2003 for Health Systems Research
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We have been at this a long time!
… It is Our Heritage
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17.419.3
20.7
25.6
23
10
15
20
25
30
%
1993 1996 1999 2002 2005
Note: Estimated using self-reported height and weight data from KP NCal Member Health Surveys, weighted to the age-gender-geographic composition of the membership for the survey year; age 25-79. N Gordon.
Time Trends: BMI > 30 (N Cal)
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Adult BMI Measurement: Northwest Region
BMI measured in 70.5% of Adult Members 70% Overweight/Obese 38% Obese 7% Extreme Obesity
34%33%
7%
30% 32%
5%
0%
10%
20%
30%
40%
BMI 25-29.9 BMI 30-39.9 BMI ≥ 40
KP (2004) NHANES (2003-2004)
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3.6
5.1
2.6 2.8
1.3
9.3
14.8
3.2
6.1
0.6
6
8.3
4.3 4
1.4
0
2
4
6
8
10
12
14
16
All 25-79 Female 25-64 Male 25-64 Female 65-79 Male 65-79
%
White AA Latino
Note: Estimated using self-reported height and weight data from KP NCal Member Health Surveys, weighted to the age-gender-geographic composition of the membership for the survey year
BMI > 40 by Race/Ethnicity: NCal
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Obesity Comordidities
Obesity is strongly associated with comorbidities
• 53% of obese KP members report three or more comorbidities
• > 40% of KP members with asthma, chronic pain, and CHF are obese
• 57% of KP members with DM are obese
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0%5%
10%15%20%25%30%35%40%45%50%
BMI 18-24 BMI 25-29 BMI 30-39 BMI > 40
DM Prediabetes Either
KPNW 2004
Diabetes and Prediabetes
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Comparison to BMI 20-25
• BMI 30-35 25% Increase
• BMI > 35 44% Increase
• BMI > 40 78% Increase
Outpatient Utilization: 37% increase
Inpatient Utilization: 70% increase
Quesenberry C Arch Int Med 1998 Volume 158(5) pp 466-472
Increased Health Care Costs: KP Northern California
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Costs in obese compared to normal weight members over eight year time frame:• Primary care visits: 39% higher • Inpatient days: 49% higher • Pharmacy costs: 100% higher
– 13X increase in DM meds; 3 X increase in CV meds
Weight gains of 20 lbs or greater are associated with increased annual medical care costs of more $500 over the following three years
Quesenberry C Arch Int Med 1998 Volume 158(5) pp 466-472 Thompson D Obes Res 2001; Elmer PJ Int J Ob 2004
Increased Health Care Costs: KP Northwest
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Incremental Costs in Chronic Conditions
CAD + Obesity
CADDM + Obesity
CHF + Obesity
DM
CHF
Note: Analysis is based on utilization and standardized unit costs.
CMI 2003
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Increased Work Loss
Employer Costs – Work Loss
KP Data: HealthMedia Succeed Participants
3.75 3.774.92
6.8
9.2
0
2
4
6
8
10
Average Hours of Work Missed Per Month Due to Illness
Underweight (<18.5) Healthy (18.5-24.9) Overweight (25-29.9)
Obese (30-39.9) Extremely Obese (40+)
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Multifaceted Public Health Approach to the Prevention and Treatment of Obesity
Research network
Legislation/public policy
Successful practice dissemination
Clinical management
Communitypartnerships
Kaiser Permanente’s Strategic Approach
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Key Elements of Kaiser Permanente’s Clinical Approach
Office-based approaches• Measurement of BMI
• Effective patient-clinician communication and partnership
• Brief primary care intervention and referral for behavior change support
Direct-to-member approaches• Health Education and Web-based programs• Throughout the lifespan and obesity spectrum
Pharmacotherapy Bariatric Surgery
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Risk Stratification KP Interventions
BMI Risk Strata Proposed Interventions
Normal Advice: “Maintain, Don’t Gain,”BMI 18 - 24.9 Prevention, 10,000 steps®
Overweight BalanceTM , 10,000 Steps®, BMI 25 - 29.9 Weight Watchers® Local KP Program,
NourishTM, RelaxTM
Obese I BalanceTM, 10,000 Steps®, BMI 30 - 34.9 Weight Watchers® Local KP
Program, NourishTM, RelaxTM
Obese II Bariatric Surgery, BMI 35 - 35.9 Local KP programs
Obese III Bariatric Surgery, Regional Medical BMI > 40 Weight Management Program
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Supporting the Office Visit
KP HealthConnect EMR tools
• Weight tracking tools
• Decision support
Exam room poster and tip sheets
“BMI as a vital sign” staff and clinician training
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Decision Support – KP HealthConnect
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BMI as a Vital Sign
Implemented in Medicine, OBGYN, and Pediatrics Office systems tools (poster, tip sheet, BMI calculator) Staff training (BMI, communication skills)
• Over 2,000 Permanente and Community Physicians trained
Significant improvement in BMI measurement
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28
43
62 6674
0
10
20
30
40
50
60
70
80
2nd Qtr 03
3rd Qtr 03
4th Qtr 03
2nd Qtr 04
4th Qtr 04
2nd Qtr 05
% Visits BMI Recorded
KPNCR 2003-5 BMI Completion Rates at Well Child Care Visits Ages 2-18 Years
Improving BMI Measurement
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Balance® Online Weight Management Program
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0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
Overweight (25-29.9) Obese (30-39.9) Extremely Obese (40+)
Lost - 10 Percent or Greater
Lost - 7.5 to 10 Percent
Lost - 5 to 7.5 Percent
180 Days post-program completion
% Weight Loss in Balance by BMI
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2.6
3.3
2.83.2
2
2.5
3
3.5
4
BASELINE 6 MONTH 12 MONTH
Balance - weight mgmt
Comparison
Time
Ave
rag
e #
ou
tpa
tien
t vis
itso
ver
pre
viou
s si
x m
on
ths
MANOVA repeated measures test, F=4.1; p<.05; n=478
(6.5)
(5.4)
Balance® RCT: Outpatient Visits
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Pharmacotherapy
The two medications approved for long-term use- Orlistat and Sibutramine are available to Kaiser Permanente members, but usually at cost
Two regions piloted a full rebate program involving a structured weight management class and weight loss goals
Patients rarely refilled prescriptions at month 3, because of disappointment with the degree of weight loss and drug side effects
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Why Treat with Bariatric Surgery?
Benefits
• Resolution of diabetes
• Improvement of OSA, metabolic syndrome, hypertension,
• Longest weight maintenance after weight loss
• Improved mobility
• Improved mortality
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Bariatric Surgery: General Themes
Patient selection is critical
Need well informed, motivated patients committed to long term lifestyle changes
Potential benefit must outweigh potential risk of short and long term complications
Weight maintenance can be problematic —Need commitment to long term behavior change and support
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Gastric Bypass Outcomes
Metaanalysis: weight loss and comorbidity resolution• Total weight loss: 24%
• Excess weight loss: 68%
• Mean weight loss: 40 kg.
• Resolution Improved or Resolved
Diabetes 84% 91%
OSA 87% 95%
HTN 75% 87%
Buchwald H JAMA 2004
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Farmers’ Markets Promote Environmental Change
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KP Farmers’ Markets — Key Findings
A total of 71% patrons (excluding 12% of the sample who were first time shoppers) across all sites reported eating at least “a little more” fruits and vegetables as a result of shopping at the market
32% of all patrons reported eating “a lot more” fruits and vegetables because of the market
A total of 63% of patrons reported eating at least “a few more kinds” of fruits and vegetables
18% of all patrons reported eating “many more kinds” of fruits and vegetables.
82% of patrons are KP staff, physicians, or members
11% of community members visit the market to shop
Patients are scheduling their doctors appointments to coincide with the farmers market
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When We Arrive…
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Contact Information
If you have questions about Kaiser Permanente’s Weight Management Initiative, please contact:
Trina Histon, PhDKaiser PermanenteCare Management InstituteOne Kaiser Plaza, 16LOakland, CA [email protected](510) 271-2667
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Thank You