Epidemiology SUD

Question 1

PREVALENCE

Answer 1

ratio of (total #cases)/(total # individuals in population)
at a specific time
Public health burden

Question 2

INCIDENCE

Answer 2

(occurrence of new cases)/(total number at risk in a specified period)
risk of disease

Question 3

RELATIVE RISK

Answer 3

(incidence of disease among those with particular characteristic)/(incidence of disease among those without)

Question 4

ODDS RATIO

Answer 4

measure of strength of association
>1 positive association with disease
<1 negative association with disease

Question 5

OBSERVATIONAL STUDY

Answer 5

(cross sectional, case control, cohort)

investigator observes and gathers information

Question 6

ANALYTIC STUDY

Answer 6

(case control, cohort)

test a hypothesis of suspected association between exposure and outcome

Question 7

EXPERIMENTAL STUDY

Answer 7

(randomized clinical trials)

study groups selected with intervention to one group

Question 8

ALCOHOL USE DISORDER PREVALENCE

Answer 8

12 month 13.9%
mild 7.3%, moderate 3.2%, severe 3.4%
males 17.6% (lifetime 36%)
females 10.4% (lifetime 22.7%)
18-25y 10.7%

Question 9

DRUG USE DISORDER PREVALENCE

Answer 9

12 month 3.9%/2.7%
mild 1.9%, moderate-severe 6.6%
higher in males
18-25y highest incidence

Question 10

TOBACCO USE DISORDER PREVALENCE

Answer 10

2002 30.4%

current 23.5

Question 11

LIFETIME HEROIN PREVALENCE

Answer 11

2002 0.33%

2013 1.6%

Question 12

NATIONAL SURVEY ON DRUG USE AND HEALTH

NSDUH

Answer 12

updated annually

Question 13

NESARC

Answer 13

every few years prevalence