Blum, R. W., Beuhring, T., Shew, M. L., Bearinger, L. H., Sieving, R. E., & Resnick, M. D. (2000). The effects of race\ethnicity, income, and family structure on adolescent risk behaviors. American Journal of Public Health, 90(12), 1879-1884. doi: 10.2105/AJPH.90.12.1879

Chevalier, A., & Viitanen, T. K. (2003). The long-run labour market consequences of teenage motherhood in Britain. Journal of Population Economics, 16, 323-343. doi: 10.1007/s001480200125

Chirinos, J. L., Brindis, C. D., Salazar, V. C., Bardales, O. T., & Reátegui, L. R. (1999). Perfil de las estudiantes adolescentes sexualmente activas en colegios secundarios de Lima, Perú [Profile of sexually active adolescent students in high schools in Lima, Peru]. Revista Médica Herediana, 10(1), 49-61. Retrieved from http://www.scielo.org.pe/pdf/rmh/v10n2/v10n2ao2.pdf

Cueto, S., Saldarriaga, V. & Muñoz, I. (2011). Conductas de riesgo entre adolescentes peruanos: un enfoque longitudinal. In GRADE (Editor), Salud, Interculturalidad y Comportamientos de Riesgo, (pp. 119-165). Lima: GRADE.

Cunningham, W., McGinnis, L., García-Verdú, R., Tesliuc, C., & Verner, D. (2008). Youth at Risk in Latin America and the Caribbean. Washington DC: World Bank. Retrieved from http://siteresources.worldbank.org/INTLACREGTOPLABSOCPRO/Resources/YouthatriskinLAC.pdf

DEVIDA (2008). II Estudio Nacional: Prevención y Consumo de Drogas en Estudiantes de Secundaria [II National Study: Prevention and Drug Use in High School Students]. Lima: Comisión Nacional para el Desarrollo y Vida sin Drogas. 

De Silva, M.J & Harpham, T. (2007). Maternal social capital and child nutritional status in four developing countries. Health & Place, 13, 341-355.

Dimbuene, Z. T., & Defo, B. K. (2011). Risky sexual behaviour among unmarried young people in Cameroon: another look at family environment. Journal of Biosocial Science, 43(2), 129-153. doi: 10.1017/S0021932010000635

Dunn, L., Padilla, E., Lugo, D. & Dunn, L. (1986). Manual del Examinador para el Test de Vocabulario en Imágenes Peabody (Peabody Picture Vocabulary Test) – Adaptación Hispanoamericana (Hispanic-American Adaptation), Minnesota: AGS.

Flórez, C. E. (2005). Factores socioeconómicos y contextuales que determinan la actividad reproductiva de las adolescentes en Colombia [Socioeconomic and contextual determinants of adolescent reproductive activity in Colombia]. Revista Panamericana de Salud Pública, 18(6), 388–402. doi:10.1590/S1020-49892005001000002 

Givaudan, M., Van De Vijver, F., & Poortinga, Y. (2005). Identifying Precursors of Safer-Sex Practices in Mexican Adolescents With and Without Sexual Experience: An Exploratory Model. Journal of Applied Social Psychology 35 (5), 1089-1109. doi: 10.1111/j.1559-1816.2005.tb02161.x

Goicolea, I,, Wulff, M., Öhman, A., & San Sebastian, M. (2009). Risk factors for pregnancy among adolescent girls in Ecuador’s Amazon basin: a case-control study. Revista Panamericana de Salud Pública, 26(3), 221–8. doi: 10.1590/S1020-49892009000900006

Heckman J. J. (1979) Sample Selection Bias as a Specification Error. Econometrica, 47(1), 153-162. 

Hofferth, S. L. (1987). Factors affecting initiation on sexual intercourse. In Hayes C.D., 	Hofferth S.L. (Eds.), Risking the future: Adolescent sexuality, pregnancy, and childbearing. Working Papers; Vol. 2, (pp. 7-35). Washington, DC: National Academy Press. 

Jessor, R. (1991). Risk Behavior in Adolescence: A Psychosocial Framework for Understanding and Action. Journal of Adolescent Health, 12, 597-605. Retrieved from http://www.colorado.edu/ibs/jessor/pubs/1991_Jessor_JAH_RiskBehaviorinAdolescence.pdf 

Jessor, R., & Turbin, M. (2014). Parsing Protection and Risk for Problem Behavior Versus Pro-social Behavior Among US and Chinese Adolescents. Journal of Youth Adolescence 43, 1037–1051. doi: 10.1007/s10964-014-0130-y. 

Kann, L., Kinchen, S., Shanklin, S. L., Flint, K.H., Hawkins, J., Harris, W. A., …  Zaza, S. (2014). Youth Risk Behavior Surveillance — United States, 2013. Morbidity and Mortality Weekly Report [MMWR], 63(4), 1-168. Retrieved from http://www.cdc.gov/mmwr/pdf/ss/ss6304.pdf
Kirby, D., & Lepore, G. (2007). Sexual and risk protective factors: factors affecting teen sexual behavior, pregnancy, childbearing and sexually transmitted disease: Which are important? Which can you change?. Washington, DC: The National Campaign to Prevent Teen and Unplanned Pregnancy.

Levine, P. B. (2001). The sexual activity and birth-control use of American teenagers. In Gruber J., (ed.). Risky Behavior among Youths: An economic analysis (pp. 167-218). University of Chicago Press.

Madkour, A. S., Farhat, T., Halpern, C. T., Godeau, E., & Gabhainn, S. N. (2010). Early Adolescent Sexual Initiation as a Problem Behavior: A Comparative Study of Five Nations. Journal of Adolescent Health 47, 389-398. doi: 10.1016/j.jadohealth.2010.02.008

Marston, C., & King, E. (2006). Factors that shape young people's sexual behavior: a systematic review. The Lancet, 368(4), 158-86. doi: 10.1016/S0140-6736(06)69662-1

Miller, B. C. (1995). Risk factors for adolescent nonmarital childbearing. In U.S. Department of Health and Human Services. Report to Congress on Out-of-Wedlock Childbearing. Maryland: DHHS Pub. No. (PHS) 95-1257.

Ministry of Education, (2009). Diseño Curricular Nacional de Educación Básica Regular [National Curricular Design for Basic Education]. Lima: Ministry of Education.

Moore, K. A., Miller, B. C., Glei, D., & Morrison, D. R.. (1995). Adolescent sex, contraception, and childbearing: A review of recent research. Washington, DC: Child Trends, Inc.

Mueller, T., Gavin, L., Oman, R., Vesely, S., Aspy, C., Tolma, E., & Rodine, S. (2010). Youth Assests and Sexual Risk Behavior: Differences between Male and Female  Adolescents. Health, Education and Behavior, 37(3), 343-356. doi:10.1177/1090198109344689

Oman, R.F., Vesely, S.K. & Aspy, C.B. (2005). Youth Assets and Sexual Risk Behavior: The Importance Of Assets for Youth Residing in One-Parent Households. Perspectives on Sexual and Reproductive Health, 37(1), 25–31. doi: 10.1363/psrh.37.25.05

Pacula, R. L., Grossman, M., Chaloupka, F. J., O’Malley, P., Johnston, L. D., & Farrelly, M. C. (2001). Marijuana and Youth. In Gruber J, (ed.). Risky Behavior among Youths: An economic analysis (pp. 271 - 326). University of Chicago Press.

Pan American Health Organization [PAHO] (2010). Adolescent and Youth: Regional Strategy and Plan of Action. Washington D.C.: PAHO. 

Pérez de la Barrera, C., & Pick, S. (2006). Conducta Sexual Protegida en Adolescentes Mexicanos. Interamerican Journal of Psychology, 40 (3), 333-340. Retrieved from http://www.psicorip.org/Resumos/PerP/RIP/RIP036a0/RIP04035.pdf
Pilgrim, N. A., & Blum, R. W. (2012). Protective and risk factors associated with adolescent sexual 	and reproductive health in English-speaking Caribbean: a literature review. Journal of Adolescent Health, 50(1), 5-23. doi:10.1016/j.jadohealth.2011.03.004

Puente, D., Zabaleta, E., Rodríguez-Blanco, T., Cabanas, M., Monteagudo, M., Pueyo, M.J., … Bolíbar, B. (2011).Gender differences in sexual risk behaviour among adolescents in Catalonia, Spain. Gaceta Sanitaria, 25(1),13–19. doi: 10.1016/j.gaceta.2010.07.012

Roundtable Against Poverty in Peru [Mesa de Concertación para la Lucha contra la Pobreza], (2012). Prevención del embarazo adolescente en el Perú. Por una mejor calidad de vida de las y los adolescentes [Prevention of teenage pregnancy in Peru. For a better quality of life for adolescents]. Lima: INNPARES.

Ruiz-Canela, M., López-del Burgo, C., Carlos, S., Calatrava, M., Osorio, A., & de Irala, J. (2012). Familia, amigos y otras fuentes de información asociadas al inicio de las relaciones sexuales en adolescentes de El Salvador [Family, friends and other sources of information associated with the onset of sexual intercourse among adolescents in El Salvador]. Revista Panamericana de Salud Pública, 31(1), 54–61. doi:10.1590/S1020-49892012000100008 

Sanchez, N., Grogan-Kaylor, A., Castillo, M., Caballero, G., & Delva, J. (2010). Sexual intercourse among adolescents in Santiago, Chile: a study of individual and parenting factors. Revista Panamericana de Salud Pública, 28(4), 267–74. doi:10.1590/S1020-49892010001000005 

Uchudi, J., Magadi, M. & Mostazir, M. (2012). A multilevel analysis of the determinants of high-risk sexual behaviour in Sub-Saharan Africa. Journal of Biosocial Science, 44 (3), 289-311. doi:  10.1017/S0021932011000654

United Nations Children’s Fund [UNICEF] (2012). Progress for Children. A report card on adolescents. New York: UNICEF. Retrieved from: http://www.unicef.org/media/files/PFC2012_A_report_card_on_adolescents.pdf

United Nations Population Fund [UNFPA] (2013). Motherhood in Childhood. Facing the challenge of adolescence pregnancy. New York: UNFPA. Retrieved from: http://indonesia.unfpa.org/application/assets/publications/EN-SWOP2013-final.pdf

Vivo, S., López-Peña, P., & Saric, D. (2012). Salud sexual y reproductiva para jóvenes. Revisión de evidencia para prevención [Sexual and reproductive health for young. Evidence review for prevention]. Washington, DC: Inter American Bank for Development.