SURVIVAL ANALYSIS FOR PREDICTIVE FACTORS OF DELAY VACCINATION IN IRANIAN CHILDREN

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MOHAMMAD BEIGI ABOLFAZL; Mokhtari Mohsen; ZAHRAEI SEYED MOHSEN; ESHRATI BABAK; REJALI MEHRI

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Journal: International Journal of Preventive Medicine Year:2015 | Volume:6 | Issue:- Page(s): 0-0

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Title

SURVIVAL ANALYSIS FOR PREDICTIVE FACTORS OF DELAY VACCINATION IN IRANIAN CHILDREN

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Keywords

CHILDREN

DELAY VACCINATION

IRAN

MUMPS‑MEASLES‑RUBELLA

RISK FACTORS

SURVIVAL ANALYSIS

Abstract

Background: Today, beside immunization coverage the age appropriate vaccination is another helpful index in public health. Evidences have shown that high immunization coverage rates do not necessarily imply age‑appropriate vaccination status. The current study aimed to show the predictive factors of delayed vaccination by survival models.Methods: A historical cohort study conducted on 3610 CHILDREN aged between 24 and 47 months who was living in the suburbs of five big cities of IRAN. Time of delay in vaccination of first dose of MUMPS‑MEASLES‑RUBELLA (MMR) was calculated from date of vaccination minus age appropriate time according to vaccine card. Kaplan–Maier and Log rank tests were used for comparison the median of delay time. For controlling of confounding variables, multivariate cox model was used and hazard ratio with 95% confidence interval (95%) was reported.Results: The mean ± standard deviation and median interquartile range of delay time was 38.34 ± 73.1 and 16 (11–31) days in delayed group. The Log rank test showed that city of living, nationality, parents’ education, and birth order are related with prolonged delay time in MMR vaccination (P<0.05). Nevertheless, child sex, prior living place (rural or city) and parent’s job are not related with delay time of vaccination (P>0.05). Cox regression showed that city of living, mother education, and nationality are the most predictive factors of delay time duration in MMR vaccination.Conclusions: Delay time duration of vaccination increased by faring from capital to the east south.Moreover, concentration of foreign immigrants in big cities and low level of mother education are the most predictors of delayed vaccination. Educational intervention should focus on immigrants and mothers with low education level.

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APA: Copy

MOHAMMAD BEIGI, ABOLFAZL, Mokhtari, Mohsen, ZAHRAEI, SEYED MOHSEN, ESHRATI, BABAK, & REJALI, MEHRI. (2015). SURVIVAL ANALYSIS FOR PREDICTIVE FACTORS OF DELAY VACCINATION IN IRANIAN CHILDREN. INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE, 6(-), 0-0. SID. https://sid.ir/paper/316405/en

Vancouver: Copy

MOHAMMAD BEIGI ABOLFAZL, Mokhtari Mohsen, ZAHRAEI SEYED MOHSEN, ESHRATI BABAK, REJALI MEHRI. SURVIVAL ANALYSIS FOR PREDICTIVE FACTORS OF DELAY VACCINATION IN IRANIAN CHILDREN. INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE[Internet]. 2015;6(-):0-0. Available from: https://sid.ir/paper/316405/en

IEEE: Copy

ABOLFAZL MOHAMMAD BEIGI, Mohsen Mokhtari, SEYED MOHSEN ZAHRAEI, BABAK ESHRATI, and MEHRI REJALI, “SURVIVAL ANALYSIS FOR PREDICTIVE FACTORS OF DELAY VACCINATION IN IRANIAN CHILDREN,” INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE, vol. 6, no. -, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/316405/en

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