Week 10 Flashcards

1
Q

Non communicable disease

A

usually genetic or lifestyle; cannot be spread; usually chronic not acute

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2
Q

levels of prevention

A

primary secondary tertiary

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3
Q

primary prevention

A

at risk but do not have disease

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4
Q

secondary prevention

A

early stages (pre symptomatic) of disease; intervention to stop from developing

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5
Q

tertiary prevention

A

management of symptomatic disease; pain management, rehabilitation, support groups, medication

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6
Q

prevention types

A

active (consicous decision)
disincentive (punishment)
incentive (reward)
passive

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7
Q

primordial prevention

A

targets social and cultural determinants of health

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8
Q

logistic regression

A

response variable is binomial

aim is to obtain an odds ratio

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9
Q

logistic regression equation

A

e(LR)/1+e(LR)

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10
Q

OR logistic regression

A

exp (B)

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11
Q

OR>1

A

B>0

Risk factor

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12
Q

OR=1

A

B=0

No association

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13
Q

OR<1

A

B<0

Protective factor

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14
Q

downstream factors

A

biological factors at the micro level

treatment systems, disease management, investment in clinical research

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15
Q

midstream factors

A

behavioural factors at intermediate level

lifestyle, behavioural and individual prevention

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16
Q

upstream factors

A

social factors at macro level

government policies, population health, healthy environment

17
Q

Ways to evaluate a logistic regression model

A

Hosmer-Lemeshow ‘goodness of fit’ statistic

ROC curve and c index

18
Q

CI perfect accuracy

A

1

19
Q

very good fit

A

> 0.8

20
Q

good fit

A

0.7-0.8

21
Q

poor fit

A

<0.7

22
Q

no better than chance

A

0.5

23
Q

HR>1

A

Factor increases risk of event

24
Q

HR<1

A

factor decreases risk of event (protective )