LARC study LANDMARK

Question 1

What was the study type?

Answer 1

Prospective cohort study

Question 2

How many participants

Answer 2

CHOICE - 9300ish
of the teenagers used in LARC analysis - 1400
700 ish in the 3 yr follow up
688 in the 2 yr follow up

Question 3

What was the hypothesis?

Answer 3

that the rate of teen pregnancy amongst the teens anaylsed in Thi aspect of the CHOICE study would be lower than the background rate in the states
- that free access/education to LARC would lower teen pregnancy rate

Question 4

what were the primary outcomes measured

Answer 4

• pregnancy rate
• live birth rate
• induced abortion rate

Question 5

What were the secondary outcomes measured?

Answer 5

• outcomes by age and race

Question 6

what was the method of data collection?

Answer 6

• participants self reported pregnancy
• pregnancy test taken at clinic visits
• follow up/reuglar surveillance
• review of contraceptive method/use

Question 7

what were the results?

Answer 7

pregnancy rates among study group were 34/1000 vs 57.4/1000 BG rate
live birth rate among study group 19.4 vs 33.4/1000 BG rate
induced abortion rate among study group 9.7 vs 14.7/1000

Question 8

what were the inclusion criteria?

Answer 8

• sexually active with a male partner or expected to be within the next 6 months
• English or Spanish speaking
• 14 and 19 y/o
• in the St Louis region
• not wanting pregnancy for at least 12 months
• not on another form of contraception or willing to change

Question 9

what were the exclusion criteria?

Answer 9

hysterectomy or tubal ligation

Question 10

list 3 limitations of the study?

Answer 10

• self reporting
• surveillance of method of contraception may have meant better adherence (e.g. with Depo etc)
• participation with parental consent may have meant not generalisable with rest of population