Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study
Objective To evaluate the effectiveness of an educational program (INTI) on knowledge, attitudes, and photoprotection habits among adolescents exposed to high levels of ultraviolet (UV) radiation in a high-altitude rural area of Peru. Study design Quasi-experimental. Pretest-posttest study with non-...
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2026
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| author | Yadhira Grecia Otazu Masco Lizbeth Huarilloclla Ramos Lucy Puño -Quispe |
| author_browse | Lizbeth Huarilloclla Ramos Lucy Puño -Quispe Yadhira Grecia Otazu Masco |
| author_facet | Yadhira Grecia Otazu Masco Lizbeth Huarilloclla Ramos Lucy Puño -Quispe |
| author_sort | Yadhira Grecia Otazu Masco |
| collection | Producción científica |
| description | Objective To evaluate the effectiveness of an educational program (INTI) on knowledge, attitudes, and photoprotection habits among adolescents exposed to high levels of ultraviolet (UV) radiation in a high-altitude rural area of Peru. Study design Quasi-experimental. Pretest-posttest study with non-randomized control and experimental groups. Methods The study included 37 third-year secondary school students from a public school in the Andean region of Peru, who were assigned to a control group (n=18) or an experimental group (n=19) that received the 12-session INTI educational program. Knowledge, habits, and attitudes toward photoprotection were assessed before and after the intervention using the CHACES questionnaire. Between-group differences in posttest scores were examined using analysis of covariance (ANCOVA), adjusting for pretest score. Results Pretest scores were similar between groups. At posttest, the experimental group showed higher mean scores than the control group in knowledge ( M=6.58; M=5.89 ), habits ( M=12.7; M=10.4 ), and attitudes (M=33.2; M=30.1). Analysis of covariance (ANCOVA) showed statistically significant between-group differences in knowledge ( p=0.033 ), habits ( p<0.001 ), and attitudes ( p=0.019 ) after adjusting for baseline scores. Conclusions The study demonstrated that the INTI program significantly improved posttest scores for knowledge, habits, and attitudes related to photoprotection in the experimental group compared with the control group. |
| format | Article |
| id | openalex:W7212076801 |
| institution | UPeU |
| language | English |
| publishDate | 2026 |
| publishDateRange | 2026 |
| publishDateSort | 2026 |
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| spelling | openalex:W7212076801Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental studyYadhira Grecia Otazu MascoLizbeth Huarilloclla RamosLucy Puño -Quispephotoprotectionsun protection educationUV exposureadolescentshigh-altitude environmenthealth education interventionknowledge, attitudes and practicesSkin Protection and AgingSchool Health and Nursing EducationAdolescent Health and BehaviorsObjective To evaluate the effectiveness of an educational program (INTI) on knowledge, attitudes, and photoprotection habits among adolescents exposed to high levels of ultraviolet (UV) radiation in a high-altitude rural area of Peru. Study design Quasi-experimental. Pretest-posttest study with non-randomized control and experimental groups. Methods The study included 37 third-year secondary school students from a public school in the Andean region of Peru, who were assigned to a control group (n=18) or an experimental group (n=19) that received the 12-session INTI educational program. Knowledge, habits, and attitudes toward photoprotection were assessed before and after the intervention using the CHACES questionnaire. Between-group differences in posttest scores were examined using analysis of covariance (ANCOVA), adjusting for pretest score. Results Pretest scores were similar between groups. At posttest, the experimental group showed higher mean scores than the control group in knowledge ( M=6.58; M=5.89 ), habits ( M=12.7; M=10.4 ), and attitudes (M=33.2; M=30.1). Analysis of covariance (ANCOVA) showed statistically significant between-group differences in knowledge ( p=0.033 ), habits ( p<0.001 ), and attitudes ( p=0.019 ) after adjusting for baseline scores. Conclusions The study demonstrated that the INTI program significantly improved posttest scores for knowledge, habits, and attitudes related to photoprotection in the experimental group compared with the control group.Articlehttps://doi.org/10.1016/j.puhip.2026.100853https://www.sciencedirect.com/science/article/pii/S2666535226001321/pdfW7212076801enPublic Health in Practice2666-53522026-09-09 |
| spellingShingle | photoprotection sun protection education UV exposure adolescents high-altitude environment health education intervention knowledge, attitudes and practices Skin Protection and Aging School Health and Nursing Education Adolescent Health and Behaviors Yadhira Grecia Otazu Masco Lizbeth Huarilloclla Ramos Lucy Puño -Quispe Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study |
| title | Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study |
| title_full | Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study |
| title_fullStr | Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study |
| title_full_unstemmed | Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study |
| title_short | Effectiveness of INTI educational program on photoprotection among adolescents in high-altitude rural Andean school: A quasi-experimental study |
| title_sort | effectiveness of inti educational program on photoprotection among adolescents in high altitude rural andean school a quasi experimental study |
| topic | photoprotection sun protection education UV exposure adolescents high-altitude environment health education intervention knowledge, attitudes and practices Skin Protection and Aging School Health and Nursing Education Adolescent Health and Behaviors |
| topic_facet | photoprotection sun protection education UV exposure adolescents high-altitude environment health education intervention knowledge, attitudes and practices Skin Protection and Aging School Health and Nursing Education Adolescent Health and Behaviors |
| url | https://doi.org/10.1016/j.puhip.2026.100853 https://www.sciencedirect.com/science/article/pii/S2666535226001321/pdf |
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