DIFFERENT EPIDEMIOLOGIC STUDIES

Question 1

a science concerned with the various factors and conditions which influence the occurrence and distribution of health, disease, defect, disability, and death among groups of individuals.

Answer 1

EPIDEMIOLOGY

Question 2

2 TYPES OF STUDY

Answer 2

OBSERVATIONAL STUDY
EXPERIMENTAL STUDY

Question 3

there is no intervention applied to influence the outcome of the study.

Answer 3

OBSERVATIONAL STUDY

Question 4

simply an observational of occurence and possible relationships of factors
maybe DESCRIPTIVE or ANALYTIC

Answer 4

OBSERVATIONAL STUDY

Question 5

it is the description of various epidemiological features of a particular event.

Answer 5

DESCRIPTIVE STUDY:

Question 6

example of this is: study of series of cases and note the signs and symptoms common in cases

Answer 6

DESCRIPTIVE STUDY

Question 7

example of this is: study the average incubation period of an illness by investigatine series of cases and noting the time and date of exposure to date of onset

Answer 7

DESCRIPTIVE STUDY

Question 8

ANALYTICAL STUDY

Answer 8

a. Ecological Study/ Correlation study
b. Cross Sectional Study
c. Case Control Study
d. Cohort Study

Question 9

the unit of observation is population or group of people rather than individuals.

Answer 9

Ecological Study/ Correlation study

Question 10

this measure the prevalence/ frequency of disease at a certain point in time and relate it with the basic population characteristics being surveyed, such as age, sex, ethnicity, socio economic groupings.

Answer 10

Cross Sectional Study

Question 11

from the outcome to the time of disease.

attemps to show the influence of a risk factors in the causation of the disease.

starts with the selection of people with a particular disease and selection of people without disease.

Answer 11

Case Control Study

Question 12

from the time of disease to the outcome.

determine the influence of a particular risk factor in the causation of an event or disease.

study begins with identification/ selection of a group exposed to a risk factor and and comparable group nor exposed.

Answer 12

Cohort Study

Question 13

intervenes in the natural history of a disease by studying effective methods of treatment, prevention or clinical management.

Answer 13

EXPERIMENTAL STUDY

Question 14

THREE APPROACHES IN EXPERIMENTAL STUDY:

Answer 14

Randomized controlled trials
Field Trials
Community Trials

Question 15

is an epidemiological experimental study for a new preventive or therapeutic regimen.
subjects in a population are randomly allocated to groups,

Answer 15

RANDOMIZED CONTROLLED TRIALS

Question 16

involve people who are disease free but presumed to be at risk.
can be used to evaluate interventions aimed at reducing exposure without necessarily measuring the occurence of health effects

Answer 16

FIELD TRIALS

Question 17

In this form of experiment the treatment groups are communities rather than individuals.

this is particularly appropriate for diseases that have their origins in social conditions, which in turn can most easily be influence by intervention directed at group behavior as well as individual

Answer 17

COMMUNITY TRIALS