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I determined the brand new imply, fundamental deviation and you may prevalence speed away from RP and you can RB per year for every generation

I determined the brand new imply, fundamental deviation and you may prevalence speed away from RP and you can RB per year for every generation

RP prevalence was determined by separating just how many teenagers having RP and also the level of adolescents exactly who knowledgeable at least one pregnancy (plus those individuals currently expecting) increased of the 100. RB incidence as well was computed from the isolating the number of adolescents that have RB plus the level of adolescents who experienced at least one livebirth increased because of the 100. Deformalized survey loads was applied if you find yourself figuring the fresh incidence.

We utilized the ptrendi package when you look at the Stata13 to perform Cochran–Armitage testing to find the incidence trend per generation playing with the latest chi-rectangular fact and you will fulfilling the fresh presumptions of an additive design. Cochran–Armitage sample try a changed Pearson’s chi-rectangular take to which assesses the fresh new connection between binary (we.age. RP and RB) and you will ordinal (i.age. 12 months and you can many years) kinds. Multivariate logistic regression investigation which have telecommunications outcomes to possess age (we.elizabeth. age groups having fun with both three and you may five kinds) and you may seasons is held while using repeated pregnancy and you can delivery given that binary consequences parameters (we.elizabeth. sure if any). We counted the newest trend between a couple of straight questionnaire decades to determine and that periods had high changes in frequency. In addition, we assessed manner playing with seasons and you can socio-geographic (i.e. region, type of quarters, and wealth directory) communication per generation. For the intended purpose of it studies, i used the around three classification generation that was the fresh just categorization and this invited an adequate number of instances.


Among feminine aged fifteen–24 age that have one pregnancy (letter = 7091), Moskova kadД±nlarla tanД±ЕџД±n a large proportion (53.3%) have been discovered among the many twenty two–24 seasons olds. In spite of the short proportion out of teens seized from the studies, the latest ratio from 15–18 seasons olds claimed regarding the survey has increased through the years from seven.64% (letter = 107) inside the 1993 so you can % (letter = 213) inside the 2013 (get a hold of Dining table 1).

Trend data for each age bracket

Frequency style from adolescents which have regular maternity in the Philippines from 1993 so you’re able to 2013 by age group. Caption: Which figure gifts the brand new weighted frequency out of regular maternity playing with many years teams that have (a) about three and (b) five classes. Teams by using the around three categories are fifteen–18 years of age, 19–twenty-one and you can twenty-two–24 years old since five categories and additionally 15–sixteen years old, 17–18 yrs old, 19–two decades old, 21–22 yrs old and 23–24 yrs old, due to the fact represented because of the per line to your graphs. The fresh new x-axis is the questionnaire 12 months set-up within the chronological acquisition since y-axis the new adjusted frequency

Incidence manner out of adolescents which have frequent beginning from the Philippines of 1993 so you can 2013 because of the age group. Caption: This shape merchandise new adjusted frequency out of frequent birth using years teams with (a) around three and you may (b) five groups. Organizations by using the around three kinds were fifteen–18 years of age, 19–twenty-one and you may twenty two–24 yrs old just like the five classes along with 15–16 yrs old, 17–18 years of age, 19–two decades dated, 21–twenty-two yrs . old and 23–24 yrs old, because the illustrated by the for each and every line on graphs. The fresh new x-axis ‘s the survey year created from inside the chronological buy because y-axis the newest weighted incidence

Comparable overall performance have been found in the regression data. The newest RP development among fifteen–18 seasons olds remained practically intact across the studies out of 1993 to 2013 [Potential ratio (OR) =0.93; 95% Confidence interval (CI) =0.8step 1–step 1.07]. There was an identical pattern off RB trend within many years category (Or = 0.87; CI = 0.72–step one.06) following an obvious rise in frequency from 1993 in order to 1998 (Or = 3.29; CI = 1.25–8.62). Likewise, the newest old a long time exhibited a serious refuse for RP and you can RB which have unadjusted ORs anywhere between 0.83 in order to 0.87 (look for Table dos). Analyses having fun with four ages categories shown zero factor on the manner in past times described. Trends certainly one of fifteen–16 and you can 17–18 year old adolescents stayed undamaged, while a decreasing pattern is noticeable for those aged 19–20, 21–twenty two and 23–24.

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