Older siblings' influence on sexual behavior of high school adolescents in Mekelle, northern Ethiopia

Background: Older siblings are one of the key sources of beliefs about sexual activity, including safe sexual practices, and can even exert pressure to engage in sexual activities. This effect persists beyond parental supervision and peer pressure. Despite this, although a considerable body of research has examined parental and peer influence, comparable data on older sibling influence on younger adolescent sexual behaviors are scant, and this area needs in-depth analysis