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An economic model of school-based behavioral interventions to prevent sexually transmitted infections

Cooper, Keith, Shepherd, Jonathan, Picot, Jo, Jones, Jeremy, Kavanagh, Josephine, Harden, Angela, Barnett-Page, Elaine, Clegg, Andrew, Hartwell, Debbie, Frampton, Geoff and Price, Alison (2012) An economic model of school-based behavioral interventions to prevent sexually transmitted infections International Journal of Technology Assessment in Health Care, 28, (4), pp. 407-414. (doi:10.1017/S0266462312000475). (PMID:22995075).

Record type: Article


Objectives: Reducing sexually transmitted infections (STI) and teenage pregnancy through effective health education is a high priority for health policy. Behavioral interventions which teach skills to practice safer sex may reduce the incidence of STIs. We evaluated the cost-effectiveness of school-based behavioral interventions in young people.

Methods: We developed an economic model to estimate the total number of STI cases averted, consequent gain in health related quality of life (HRQoL) and savings in medical costs, based on changes in sexual behavior. The parameters for the model were derived from a systematic literature search on the intervention effectiveness, epidemiology of STIs, sexual behavior and lifestyles, HRQoL and health service costs.

Results: The costs of providing teacher-led and peer-led behavioral interventions were €5.16 and €18 per pupil, respectively. For a cohort of 1000 boys and 1000 girls aged 15 years, the model estimated that the behavioral interventions would avert two STI cases and save 0.35 Quality Adjusted Life Years (QALYs). Compared to standard education, the incremental cost-effectiveness of the teacher-led and peer-led interventions was €24,268 and €96,938 per QALY gained, respectively.

Conclusions: School-based behavioral interventions which provide information and teach young people sexual health skills can bring about improvements in knowledge and increased self-efficacy, though these may be limited in terms of impact on sexual behavior. There was uncertainty around the results due to the limited effect of the intervention on behavioral outcomes and paucity of data for other input parameters.

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More information

Published date: 21 September 2012
Keywords: cost effectiveness, model, school, sexually transmitted infection
Organisations: Faculty of Medicine


Local EPrints ID: 345508
ISSN: 0266-4623
PURE UUID: 3a7ef2bd-45c0-4082-ae91-8c3c7f3b4ab9
ORCID for Jo Picot: ORCID iD

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Date deposited: 26 Nov 2012 11:36
Last modified: 18 Jul 2017 05:09

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Author: Keith Cooper
Author: Jo Picot ORCID iD
Author: Jeremy Jones
Author: Josephine Kavanagh
Author: Angela Harden
Author: Elaine Barnett-Page
Author: Andrew Clegg
Author: Debbie Hartwell
Author: Geoff Frampton
Author: Alison Price

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