We computed the new indicate, important departure and you will prevalence rates off RP and you may RB per year for every generation

We computed the new indicate, important departure and you will prevalence rates off RP and you may RB per year for every generation

RP frequency was computed because of the isolating exactly how many teenagers that have RP and the number of adolescents just who knowledgeable at least one pregnancy (together with men and women currently pregnant) increased by 100. RB prevalence on top of that try computed by the isolating the amount of teenagers having RB therefore the quantity of teenagers which knowledgeable one or more livebirth multiplied because of the 100. Deformalized survey loads was in fact used while you are calculating the brand new prevalence.

I utilized the ptrendi plan into the Stata13 to execute Cochran–Armitage tests to determine the prevalence trend for every age group having fun with the newest chi-square figure and conference brand new presumptions regarding an ingredient model. Cochran–Armitage attempt was an altered Pearson’s chi-square attempt hence assesses the fresh organization ranging from digital (we.age. RP and RB) and you will ordinal (we.age. year and you will years) groups. Multivariate logistic regression studies that have communication outcomes for decades (we.e. age groups using one another around three and four kinds) and you can year is actually presented while using the repeated maternity and you may beginning since the digital lead variables (we.age. yes if any). I mentioned the fresh new development between a couple of successive questionnaire age to identify hence periods had significant alterations in frequency. On the other hand, we assessed trends using season and you may socio-geographical (we.elizabeth. area, style of quarters, and you will money list) interaction for each age bracket. For the purpose of that it research, we made use of the about three category age group that is new merely categorization hence enjoy a sufficient number of instances.


One of feminine old fifteen–24 many years with at least one pregnancy (letter = 7091), a large proportion (53.3%) have been discovered one of several twenty-two–24 12 months olds. Despite the brief proportion away from teenagers captured by the studies, the fresh new ratio regarding fifteen–18 seasons olds claimed about survey has grown through the years regarding seven.64% (letter = 107) inside 1993 to % (letter = 213) during the 2013 (look for Desk step one).

Development studies for every single age group

Frequency style out of teenagers that have constant pregnancy about Philippines out of 1993 in order to 2013 because of the age group. Caption: So it contour gift ideas the new weighted incidence off regular maternity playing with decades communities that have (a) three and (b) four groups. Teams utilising the three classes tend to be 15–18 years of age, 19–twenty-one and you may twenty-two–24 years old just like the four categories and 15–sixteen years of age, 17–18 yrs old, 19–twenty years dated, 21–twenty-two yrs . old and you can 23–24 years of age, given that portrayed of the for every line for the graphs. New x-axis is the questionnaire 12 months arranged during the chronological order because the y-axis new weighted prevalence

Frequency manner away from teenagers having frequent birth on Philippines from 1993 to 2013 from the age group. Caption: That it shape gifts the latest weighted frequency out-of constant beginning playing with decades organizations that have (a) around three and you may (b) five classes. Groups with the CharmRomance three groups were 15–18 yrs old, 19–twenty-one and twenty two–24 years old as four categories and additionally 15–16 years of age, 17–18 years of age, 19–2 decades old, 21–twenty-two yrs old and 23–24 yrs old, since portrayed by each line to your graphs. The fresh new x-axis is the questionnaire year set up for the chronological order due to the fact y-axis the new weighted incidence

Similar overall performance was basically based in the regression research. The brand new RP pattern one of fifteen–18 year olds remained practically unchanged across the all studies regarding 1993 so you’re able to 2013 [Chances proportion (OR) =0.93; 95% Depend on period (CI) =0.81–1.07]. There was a comparable development regarding RB development within this ages class (Or = 0.87; CI = 0.72–step 1.06) after the an apparent increase in frequency of 1993 so you can 1998 (Or = 3.29; CI = step one.25–8.62). Concurrently, the newest old age range presented a significant decline for both RP and you may RB which have unadjusted ORs between 0.83 so you can 0.87 (look for Dining table 2). Analyses playing with five many years kinds exhibited no significant difference throughout the manner in past times explained. Style certainly 15–sixteen and you may 17–18 year-old teens stayed undamaged, whereas a decreasing trend is obvious for these aged 19–20, 21–twenty two and you can 23–24.

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