Public Health 2 Flashcards

1
Q

Formula for alcohol units

A

(% of alcohol by volume x amount of liquid in mm) / 1000

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2
Q

What is foetal alcohol syndrome

A

Growth retardation, CNS abnormalities, congenital defects

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3
Q

What are some CAGE questions for alcohol dependancy

A
  1. Ever felt like you should cut down
  2. Been annoyed when people tell you to cut down
  3. Do you feel guilty by how much you drink
  4. Eye opener: Ever had a drink first thing in the morning
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4
Q

What is patient-centred medicine

A

Involves a shift in focus from treatment to care

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5
Q

Reasons for non-compliance

A

(not understanding doctor intructions or patient believes advice won’t help)

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6
Q

What is adherence

A

Acknowledges the importance of patient belief.

Knowledge from health experts should enhance patient knowledge and adherence to recommended medical regime

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7
Q

Define concordance

A

Thinks of patients and doctors as equal in care

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8
Q

What is PICO

A

P - Population (How would i describe this group of patient)
I - Intervention (Which main intervention is of interest)
C - Comparison (Comparing between two interventions)
O - Outcome (What do I hope the intervention will accomplish)

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9
Q

What is the hierarchy of evidence

A

1a - Systematic reviews or meta analysis of RCTs (gold standard)
1b - At least 1 RCT
2a - At least 1 controlled trial without randomisation
2b - At least 1 other type of quasi-experimental study

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10
Q

What is the purpose of critical appraisal

A

To assess and consider validity, reliability and applicability so we can apply results to our own patients

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11
Q

What factors should we tak einto account when critically appraising

A
  1. Stats
  2. Chance
  3. Bias
  4. Confounding factors
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12
Q

Define validity

A

How close to the truth something is

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13
Q

Define reliability

A

How consistent the results are

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14
Q

Define meta-analysis

A

Statistical methods used to analyse and summarise the results of the included studies

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15
Q

What is routine health data

A

Data on population health that is collected on a regular basis

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16
Q

Why is routine health data collected

A
  1. Monitor health of a population
  2. Generate hypotheses on causes of ill-health
  3. Inform planning of services
  4. Evaluate and assess performance of policies and services
17
Q

name three types of qualitative research

A

Interviews
Documentary analysis
Ethnography

18
Q

What is ethnography

A

Emerging oneself in a particular lifestyle or group

19
Q

What are problems associated with qualitative research

A

Crisis of representation: Research can’t capture lived experiences
Reflexivity: Personal interpretations of data
Generalisation
Interactive Kinds: Over-analysis of oneself using existing theories

20
Q

Define a sample

A

A group within a population we are studying

21
Q

What is a population

A

All individuals in which we are interested in

22
Q

What is stratified random sampling

A

Population is divided into groups and then randomly sampled within those groups

23
Q

What is convenience sampling

A

Non-random process looking at all patients available at a particular point in time

24
Q

Define standard error

A

Standard deviation of all sample means

25
Why is standard error used
Used as an estimate of precision (estimates how far from the true value the sample estimate is)
26
Where is the 95% confidence interval found
1.96 SE above and below the mean
27
Formula for test statistic
Observed value - hypothesised value / Standard error of the hypothesised value
28
Why do we need a test statistic
To reduce data into a single value
29
Define a p value
Probablility of obtaining the test statistics from the data, assuming the null hypothesis is true
30
What is the 'power of a study'
rejecting the null hypothesis when it is actually true