RP frequency is computed from the separating exactly how many teens having RP while the quantity of teens whom knowledgeable one or more maternity (plus people currently expecting) multiplied from the 100. RB incidence in addition is computed by splitting the fresh new number of adolescents which have RB and the quantity of teens just who knowledgeable at least one livebirth increased from the 100. Deformalized survey loads had been applied while figuring the new prevalence.
I used the ptrendi plan in Stata13 to do Cochran–Armitage testing to select the prevalence pattern per generation having fun with the fresh new chi-rectangular statistic and you can conference the fresh new presumptions of an additive model. Cochran–Armitage test is actually a modified Pearson’s chi-rectangular decide to try and therefore assesses this new association between digital (we.elizabeth. RP and you will RB) and ordinal (i.age. seasons and you can decades) kinds. Multivariate logistic regression analysis which have telecommunications consequences to own many years (we.age. a long time having fun with one another three and four groups) and you will year is actually used when using frequent maternity and you can delivery given that digital consequences parameters (i.elizabeth. sure if any). We counted new development anywhere between a couple straight questionnaire ages to understand and that episodes had extreme alterations in frequency. In addition, we reviewed styles using seasons and socio-geographical (i.age. region, types of home, and you may wide range list) telecommunications for every generation. For the intended purpose of this study, i used the three group age bracket because this are the brand new only categorization hence greeting a sufficient number of instances.
Performance
Certainly female old 15–24 decades having one or more pregnancy (letter = 7091), the great majority (53.3%) had been located among the many twenty-two–24 year olds. Inspite of the short proportion sexy sudanese hot girl off adolescents seized by studies, the proportion of 15–18 year olds reported regarding the questionnaire has increased throughout the years regarding 7.64% (letter = 107) in 1993 so you’re able to % (n = 213) within the 2013 (get a hold of Dining table step 1).
Trend studies for each age group
Prevalence trends from teens which have constant maternity from the Philippines out of 1993 to 2013 of the age bracket. Caption: This figure gift ideas the fresh weighted frequency out of frequent pregnancy using decades groups which have (a) three and you will (b) five kinds. Organizations utilizing the about three classes are 15–18 years of age, 19–twenty-one and you may 22–24 years of age since the five groups in addition to fifteen–sixteen years of age, 17–18 yrs old, 19–20 years old, 21–22 yrs . old and 23–24 years old, since depicted from the for each line toward graphs. The newest x-axis ‘s the survey season build into the chronological buy just like the y-axis the newest weighted incidence
Frequency trend regarding teens with constant birth from the Philippines off 1993 to help you 2013 of the age bracket. Caption: It figure merchandise the newest adjusted frequency from repeated beginning playing with years groups that have (a) three and (b) four categories. Communities by using the about three kinds become 15–18 years old, 19–twenty-one and you will 22–24 yrs old since the four kinds in addition to 15–16 years of age, 17–18 years old, 19–20 years old, 21–22 years of age and you can 23–24 years of age, because the portrayed from the for every single range with the graphs. New x-axis is the questionnaire season put up in chronological purchase because y-axis the fresh adjusted prevalence
Similar results was in fact based in the regression data. The fresh RP development among 15–18 season olds stayed virtually undamaged around the all the surveys of 1993 in order to 2013 [Chances proportion (OR) =0.93; 95% Confidence period (CI) =0.8step one–1.07]. There can be the same trend away from RB pattern contained in this age group (Or = 0.87; CI = 0.72–step 1.06) following an obvious rise in incidence away from 1993 so you can 1998 (Otherwise = step 3.29; CI = step one.25–8.62). Likewise, the brand new older a long time demonstrated a life threatening refuse for RP and RB with unadjusted ORs anywhere between 0.83 so you can 0.87 (get a hold of Table 2). Analyses using five many years groups displayed no factor throughout the fashion before discussed. Trend certainly fifteen–16 and 17–18 year-old adolescents remained undamaged, while a bringing down pattern try noticeable for these aged 19–20, 21–twenty two and you will 23–24.
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