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Cited by 22Adolescent Sexual and Reproductive HealthReproductive Health and ContraceptionAdolescent Health and Behaviors

The DOI matches its Crossref record; 29 of the 31 references it cites were found in a registry or an index.

Socioeconomic factors increase the risk of teenage pregnancy: spatial and temporal analysis in a Brazilian municipality

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Fernandes, Camila Meireles, Conceição, Gleice Margarete de Souza, Silva, Zilda Pereira da, Nampo, Fernando Kenji, Chiaravalloti Neto, Francisco·2024·Revista Brasileira de Epidemiologia
DOI 10.1590/1980-549720240040PMC PMC11290768
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Abstract

ABSTRACT Objective: To evaluate the distribution of the proportion of teenage mothers (PTM) in time and space and its relationship with socioeconomic indicators and social vulnerability. Methods: An ecological study was carried out with teenage mothers living in 322 census tracts in Foz do Iguaçu (state of Paraná, Brazil) between 2013 and 2019. Spatial clusters of teenage mothers were identified by spatial scanning and grouped into strata with different prevalence. The association between these strata and the individual social vulnerability of the mothers was evaluated using the Pearson's Chi-square test. Linear regression models were adjusted to evaluate the association between PTM and socioeconomic factors by census tract and temporal trend in PTM in different strata. Results: We identified five high prevalence clusters in peripheral regions and six with low prevalence in the central region of the municipality. Proportionally, there were more teenage mothers with a worse vulnerability index in the high prevalence stratum than in the low prevalence stratum. Places with worse socioeconomic conditions present higher PTM, a profile that did not change over time. For the increase of one unit in the Brazilian Deprivation Index and proportion of women responsible for the household, the PTM increased, respectively, by 3.8 (95%CI 3.1–4.4) and 0.086% (95%CI 0.03–0.14). There was a reduction in the global PTM in part of the period, which occurred later in the higher prevalence strata, but the proportions were stable again in the last years of study. Conclusion: Teenage pregnancy is concentrated in regions with worse socioeconomic conditions and greater maternal vulnerability and its behavior over time occurred differently in these areas.

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Figure 1 Spatial clusters of high and low prevalence of teenage mothers (A), Proportion of teenage mothers (B), Brazilian Deprivation Index in urban areas (C), and Proportion of women responsible for the household (D), according to census tract. Foz do Iguaçu (PR), Brazil, 2013–2019.
Figure 1 Spatial clusters of high and low prevalence of teenage mothers (A), Proportion of teenage mothers (B), Brazilian Deprivation Index in urban areas (C), and Proportion of women responsible for the household (D), according to census tract. Foz do Iguaçu (PR), Brazil, 2013–2019.CC BY · PubMed Central
Figure 2 Scatter plot of the proportion of teenage mothers as a function of the Brazilian Deprivation Index and the proportion of women responsible for the household. Foz do Iguaçu (PR), Brazil, 2013–2019.
Figure 2 Scatter plot of the proportion of teenage mothers as a function of the Brazilian Deprivation Index and the proportion of women responsible for the household. Foz do Iguaçu (PR), Brazil, 2013–2019.CC BY · PubMed Central
Figure 3 Proportion of teenage mothers over the years (A) and months, according to the prevalence ratio of the strata (B). Foz do Iguaçu (PR), Brazil, 2013–2019.
Figure 3 Proportion of teenage mothers over the years (A) and months, according to the prevalence ratio of the strata (B). Foz do Iguaçu (PR), Brazil, 2013–2019.CC BY · PubMed Central
Figura 1 Aglomerados espaciais de alta e baixa prevalência de mães adolescentes (A), Proporção de mães adolescentes (B), Índice brasileiro de privação na área urbana (C) e Proporção de mulheres responsáveis por domicílio (D), segundo setor censitário. Foz do Iguaçu (PR), Brasil, 2013–2019.
Figura 1 Aglomerados espaciais de alta e baixa prevalência de mães adolescentes (A), Proporção de mães adolescentes (B), Índice brasileiro de privação na área urbana (C) e Proporção de mulheres responsáveis por domicílio (D), segundo setor censitário. Foz do Iguaçu (PR), Brasil, 2013–2019.CC BY · PubMed Central
Figura 2 Diagrama de dispersão da proporção de mães adolescentes em função do índice brasileiro de provação e da proporção de mulheres responsáveis pelo domicílio. Foz do Iguaçu (PR), Brasil, 2013–2019.
Figura 2 Diagrama de dispersão da proporção de mães adolescentes em função do índice brasileiro de provação e da proporção de mulheres responsáveis pelo domicílio. Foz do Iguaçu (PR), Brasil, 2013–2019.CC BY · PubMed Central
Figura 3 Proporção de mães adolescentes ao longo dos anos (A) e dos meses, segundo a razão de prevalência dos estratos (B). Foz do Iguaçu (PR), Brasil, 2013–2019.
Figura 3 Proporção de mães adolescentes ao longo dos anos (A) e dos meses, segundo a razão de prevalência dos estratos (B). Foz do Iguaçu (PR), Brasil, 2013–2019.CC BY · PubMed Central

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Metadata

Authors
Fernandes, C. M., Conceição, G. M. D. S., Silva, Z. P. D., Nampo, F. K., & Chiaravalloti Neto, F.
Affiliations
  • Universidade de São Paulo (BR)
  • Universidade de São Paulo, Brazil
  • Universidade Federal da Integração Latino-Americana (BR)
Corresponding author
Fernandes, Camila Meireles
ORCID
Venue
Revista Brasileira de Epidemiologia
Publisher
FapUNIFESP (SciELO)
Published
2024
Volume
27
Pages
e240040-e240040
ISSN
  • 1415-790X (ISSN-L)
  • 1980-5497
DOI
10.1590/1980-549720240040
PMC
PMC11290768
OpenAlex
W4401088370
Cited by
16
References
31
Citations by year
2026: 11 · 2025: 5
FWCI
7.59
Type
journal article
Language
en
Open access
Licence
Locations
  • Revista Brasileira de Epidemiologia (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Adolescent Sexual and Reproductive Health
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Reproductive Health and Contraception
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Adolescent Health and Behaviors
Keywords
adolescent pregnancy, adolescent mothers, socioeconomic factors, social vulnerability, spatial clustering, temporal trends, Foz do Iguaçu
MeSH terms
Social Vulnerability, Adolescent, Brazil, Female, Humans, Pregnancy, Pregnancy in Adolescence, Residence Characteristics, Risk Factors, Socioeconomic Factors, Time Factors, Prevalence, Young Adult, Spatio-Temporal Analysis

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