Suggestions(1)
Exact(29)
Univariate analysis was carried out to determine the proportion of sexually experienced adolescents, age of sexual debut and its median.
There are several factors that contribute to the higher risk of HIV infection among young people e.g. first sexual experiences, the higher proportion of sexually transmitted diseases, addiction that begins usually at this age, and so on [ 6].
This apparent movement was accompanied by a change in the demographic structure of the population, with smaller krill absent and a larger proportion of sexually mature animals present in late summer.
This proportion of sexually dimorphic genes is similar to that reported for other tissues or developmental stages [40], [41].
Co-infecting HPV genotypes occur in a high proportion of sexually active adolescents.
Many surveys report the proportion of sexually active unmarried women using contraception as well.
Similar(31)
There were only small proportions of sexually active boys and girls, about one in eight, who reported that they always used condoms.
Similar proportions of sexually active former abductees and non-abductees reported that they had had sex in the previous 6 months (67% vs. 69%, p = 0.819) and these proportions did not differ significantly by gender.
As reflected by the distribution of modern contraception use among adolescents in rural and urban areas, there were large differences in the proportions of sexually active adolescents using modern contraception in the three countries (Figs. 3– 5).
Lastly, with fairly equal proportions of sexually experienced male and female students reporting no condom use, this finding is of particular concern when considering that El Salvador has one of the highest teenage pregnancy rates in Latin America and the Caribbean [ 27], ranking fourth out of the eight countries in the Central American region (including Mexico) [ 28].
To establish to what extent the exclusion of leavers had affected the ranking of schools in terms of predicted proportions of sexually active pupils, rank correlation coefficients were calculated using the rankings of predicted values for schools with leavers included and their rankings once these leavers were removed.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com