public health

Question 1

what are the three health behaviours?

Answer 1

health behaviour
illness behaviour
sick role behaviour

Question 2

what is health behaviour?

Answer 2

behaviour aimed at preventing disease

Question 3

what is illness behaviour?

Answer 3

behaviour aimed at seeking remedy

Question 4

what is sick role behaviour?

Answer 4

activity aimed at getting well

Question 5

what is unrealistic optimism?

Answer 5

continue to practice health damaging behaviour due to inaccurate perception of risk and susceptibility

Question 6

what are the 4 components of the health belief model?

Answer 6

1. believe they are susceptible to the condition
2. believe the condition has serious consequences
3. believe that acting will reduce susceptibility
4. believes benefits outweigh costs

Question 7

what are the 3 components of the theory of planned behaviour?

Answer 7

intention is best predictor of behaviour

1. personal ATTITUDE to behaviour
2. SOCIAL NORM
3. PERCEIVED BEHAVIOURAL CONTROL

Question 8

what are the 5 components of the transtheoretical model?

Answer 8

pre-contemplation
contemplation
preparation
action
maintenance/relapse

Question 9

what are the W/J criteria re: condition?

Answer 9

well studied

has to have a latent phase

Question 10

what are the W/J criteria re: test?

Answer 10

acceptable

interval determined

Question 11

what are the W/J criteria re: treatment?

Answer 11

acceptable

facilities available

Question 12

what are the 3 W/J criteria re: other?

Answer 12

cost effective
agreed policy on who to treat
benefits outweigh risk

Question 13

what is sensitivity?

Answer 13

proportion of people correctly identified as having illness

Question 14

what is specificity?

Answer 14

proportion of people without illness correctly identified as not having the illness

Question 15

how is specificity calculated?

Answer 15

people who don’t have it as identified as not having

people who really don’t have it
(i hope)

Question 16

what is a cohort study?

Answer 16

population split into 2 groups

group 1: exposed
group 2: not exposed

compare incidence of disease among two groups

• impractical for rare disease/long latent period
• high drop out rate if long follow up

Question 17

what is a case control study?

Answer 17

group 1: have illness
group 2: don’t have illness

past exposures identified

(selection, information bias)

• impractical for rare exposures
• hard to establish sequence of events
• difficult to separate confounding?

Question 18

what is a cross sectional study?

Answer 18

exposure and outcome are measured simultaneously in a population in a particular point in time

• not useful for rare disease
• risk of reverse causality
• unclear timeline?