managing health literacy for weight loss in primary health ... 2 1... · smoking alcohol bmi waist...
TRANSCRIPT
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COMPaRE-PHC is a project of the Australian Primary Health Care Research Institute, which is supported by a grant from the Australian Government Department of Health
Managing health literacy for weight loss in
primary health care: Better Management
of Weight in General Practice (BMWGP)
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Outline
1. Background and aims
2. Methods
3. Findings
4. Implications
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Rationale • Over 80% of the population visit a GP at least once a
year (ABS 2013)
• Two thirds of patients presenting in general practice are
overweight or obese (BEACH 2015)
• Behaviour interventions can be effective in helping
patients to lose weight in PHC (LeBlanc 2011)
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4
5As of preventive care
Ask
Assess:
Risk
Health Literacy
Readiness
Advise &
Agree: Motivational
interviewing,
goal setting
Assist: Individual
plan, referral
navigation
Arrange: Follow up and
maintenance
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Barriers to effective preventive care
Patient
Family
Community
GP or PN
Practice
Health system
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Health literacy in Australia
Very low health literacy affects
20% of Australian adults and is
a barrier to the uptake and
effectiveness of lifestyle
interventions. (ABS 2006)
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Percent of general practice patients
with low health literacy by BMI
0
10
20
30
40
50
60
70
<25 25-29 30+
%
BMI
Baseline
Follow up
Joshi C, Jayasinghe UW, Parker S, et al. Does health literacy affect patients’ receipt of
preventative primary care? A multilevel analysis. BMC family practice 2014; 15(1): 171.
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• Aim: To determine the effectiveness of lifestyle
interventions aimed at improving adults’ knowledge and
skills for weight loss in primary health care.
• Evidence found for the effectiveness of interventions that
focussed on improving knowledge and skills (health
literacy) for weight loss.
• However, there was insufficient evidence to determine
relative effectiveness of individual intervention methods.
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Pilot study • Aim: to determine the feasibility of an intervention to
enhance preventive care for people with low health literacy
in primary health care.
• A mixed method study in four Sydney general practices in
areas of socioeconomic disadvantage.
• Despite improved awareness of the need for better
communication, there was limited evidence of change in
providers’ approach to providing preventive care,
suggesting a need for more attention towards providers’
attitudes to support these patients.
Aust J of Primary Health, 2014; http://dx.doi.org/10.1071/PY14061
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BMWGP Trial
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Aims To evaluate
• the implementation and effectiveness of primary care nurses
acting as prevention navigators to support obese patients
with low health literacy to lose weight.
− the reported assessment and management of patients with
obesity and low health literacy (GP and practice nurse [PN]
surveys and interviews)
− the assessment of risk factor recording by GPs (clinical audit)
− the reported assessment of lifestyle-related risk factors and
management by GPs and PNs (patient interviews)
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Health professional
involvement
− 61 participants: 37 GPs and 24 PNs from 20
practices in disadvantaged areas in Sydney
and Adelaide.
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Intervention • Practice level: Clinical audit with feedback, practice
meetings, training of GPs and PNs, practice visits and support phone calls.
• Clinical level: Based on the ‘5As’ of the chronic disease model approach – Assess, Advise, Agree, Assist and Arrange:-
o Screening for obesity and low health literacy
o PN health check:
o Assessment, brief advice and goal setting
o Referral navigation to one of three options (phone coaching, group education or individual education)
o ‘Phone follow up.
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Evaluation
• Design: Randomisation of practices (control
practices provide usual care)
• Data collection:
− GP and PN surveys and qualitative interviews
− Clinical audit
− Patient interviews (quantitative and qualitative)
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Baseline Clinical Audit
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Recording of risk factors (n=22,070)
77
6
30
5
68
29
46
0
10
20
30
40
50
60
70
80
90
Smoking Alcohol BMI Waist circ BP Lipid CV Risk
%
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BMI category (n=6,664)
21
37
25
11
6
0
5
10
15
20
25
30
35
40
< 25 25-29.9 30-34.9 35-39.9 ≥40
%
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Risk factors of obese and non obese patients
0
20
40
60
80
100
120
140
Systolic BP Diastolic BP
BP (mean)
Obese Non obese
0
10
20
30
40
50
60
70
80
90
<10% 10-15% >15%
CV Risk (%)
Obese Non Obese
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Baseline Provider Survey
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Frequency of actions across the 5As
0
10
20
30
40
50
60
70
80
% GP
PN
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Confidence in assessment and management of
obesity
0
10
20
30
40
50
60
70
80
Assess diet Assess PA Assessreadiness to lose
wt
Advise on weightmx
Arrange referralfor diet, PA or Wt
Follow upreferred pts
% GP
PN
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Tailor approach to patients’ health literacy
>60% of the time
0
10
20
30
40
50
60
70
80
Assess healthliteracy
Tailor advice toHL
Communicationtechniques
Teach-back Encouragequestions
Assist access toreferral
Follow upreferral
% GP
PN
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Barriers to management of obesity
in patients with low health literacy
0
10
20
30
40
50
60
70
Lack of time Uncertainty aboutwhat to provide
Commnicationdifficulties
Culturaldifferences
Lack of patientinterest
Patient low healthltieracy
% GP
PN
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Brief Health Literacy Screen A. How often do you have someone help you read health
information materials?
1. Never 2. Occasionally 3. Sometimes 4. Often 5. Always
B. How often do you have problems learning about your
medical condition because of difficulty understanding
health information materials?
1. Never 2. Occasionally 3. Sometimes 4. Often 5. Always
C. How confident are you filling in medical forms by
yourself?
1. Extremely 2. Quite a bit 3. Somewhat 4. A little bit 5. Not at all
(Chew, 2008)
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Health literacy screening of recruited patients
0
5
10
15
20
25
30
35
40
45
50
1 2 3 4 5
% Question A
Question B
Question C
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Patient Phone Interviews
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Comparison
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
BMWGP
Reference
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Association between HLQ domain scores and
lifestyle
HLQ DOMAIN Fruit & Veg.
Portions
Physical
activity
Health provider support
Having sufficient information
Actively managing health
Social support
Critical appraisal
Active engagement with health
providers
Navigating healthcare system
Ability to find good health
information
Reading and understanding
health information
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Percentage of patients reporting assessment,
advice, referral and attendance
0
10
20
30
40
50
60
70
80
90
100
Measure Wt Measure waistcircum.
Lifestyleadvice
Referral Attendance
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Conclusions (so far)
• Low rates of recording of BMI and waist circumference.
• Many obese patients in PHC have high cardiovascular
risk.
• GPs and PNs accept role in obesity management
including assessment and education. PNs are less
confident and both GPs and PNs infrequently report
using techniques to manage low health literacy.
• Lower health literacy in obese patients associated with
poorer diet but not physical activity scores.
• Lifestyle advice and referral reported by less than half of
patients.
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Some Potential Implications The study is ongoing but our work to date suggests:-
1. There are barriers to implementation of weight management
across the 5As especially referral.
2. The role of practice nurses in education and referral
navigation needs to be developed and evaluated.
3. Clinical approach needs to be better tailored to level of
health literacy especially in:
− education about diet
− active management of patient own health, and
− helping patients to navigate the health system.
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COMPaRE-PHC is a project of the Australian Primary Health Care Research Institute, which is supported by a grant from the Australian Government Department of Health
http://compare-phc.unsw.edu.au/
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Publications • Faruqi N, Lloyd J, Ahmad R, Leong L, Harris MF. Feasibility of an
intervention to enhance preventive care for people with low health
literacy, in primary health care. Aust J of Primary Health, 2014;
http://dx.doi.org/10.1071/PY14061
• Faruqi N, Stocks N, Spooner C, El-Haddad N, Harris MF. Research
Protocol: Management of obesity in patients with low health literacy
in primary health care. BMC Obesity 2015, 2:5 doi:10.1186/s40608-
015-0036-6
• Faruqi N, Spooner C, Joshi C, Lloyd J, Dennis S, Stocks N, Taggart
J, Harris MF. Primary healthcare-level interventions improving health
literacy for weight loss: A systematic review of the literature. BMC
Obesity 2015, 2:6 DOI: DOI: 10.1186/s40608-015-0035-7
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Acknowledgements
The research reported in this presentation is a project of
the Australian Primary Health Care Research Institute,
which is supported by a grant from the Australian
Government Department of Health. The information and
opinions contained in it do not necessarily reflect the views
or policy of the Australian Primary Health Care Research
Institute or the Australian Government Department of
Health.