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Unintended birth among Hispanic women in Texas: a descriptive analysis.

ABSTRACT: Unintended birth is associated with adverse maternal and infant outcomes. In 2006, US Hispanics had the highest unintended birth rate (45 births/1,000 women) compared to other groups. One-fifth of US Hispanic women reside in Texas, yet unintended birth among Texas Hispanics has not been studied. The goal of this study was to describe the prevalence and characteristics of unintended birth in this population. Using data from Hispanic participants in the Texas Pregnancy Risk Assessment Monitoring System 2009-2010, we studied unintended birth in relation to demographic, lifestyle and partner characteristics. Adjusted prevalence odds ratios (POR) were computed for each characteristic and the analysis was stratified by maternal nativity (US vs foreign born). The weighted proportion of unintended birth was 49.5 % (CI = 45.9-52.6). In adjusted analyses, women aged 12-19 had a higher prevalence of unintended birth compared to ?20 years (POR = 2.1, CI = 1.3-3.7). Unmarried (POR = 1.5, CI = 1.1-2.1), uninsured (POR = 1.7, CI = 1.2-2.3), and US-born (POR = 1.6, CI = 1.0-2.6) women had higher prevalence compared to married, insured and foreign-born women, respectively. Among US-born Hispanic women, higher prevalence of unintended birth was associated with being young, unmarried and experiencing psychological stressors within 12 months of giving birth; among foreign-born Hispanic women, higher prevalence was associated with lack of insurance. Efforts to reduce unintended birth in Texas might focus on young, single, uninsured and US-born Hispanic women. Analyses of other pre-pregnancy factors and health outcomes among Texas Hispanics could increase understanding of the differences we observed in unintended birth between US and foreign-born Hispanics.

SUBMITTER: Vasquez D

PROVIDER: S-EPMC4418950 | biostudies-other | 2015 Jun

REPOSITORIES: biostudies-other

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Unintended birth among Hispanic women in Texas: a descriptive analysis.

Vasquez Denise D McDonald Jill A JA Homedes Nuria N Brown Louis D LD

Maternal and child health journal 20150601 6

Unintended birth is associated with adverse maternal and infant outcomes. In 2006, US Hispanics had the highest unintended birth rate (45 births/1,000 women) compared to other groups. One-fifth of US Hispanic women reside in Texas, yet unintended birth among Texas Hispanics has not been studied. The goal of this study was to describe the prevalence and characteristics of unintended birth in this population. Using data from Hispanic participants in the Texas Pregnancy Risk Assessment Monitoring S ...[more]

PMID: 25366101

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Project description:BackgroundPreterm birth (PTB) disproportionately affects African American compared with Caucasian women, although reasons for this disparity remain unclear. Some suggest that a differential effect of maternal age by race/ethnicity, especially at older maternal ages, may explain disparities.ObjectiveTo determine whether the relationship between maternal age and preterm birth varies by race/ethnicity among primiparae non-Hispanic blacks (NHB) and non-Hispanic whites (NHW).MethodsA cross-sectional study of 367 081 singleton liveborn first births to NHB and NHW women in California from 2008 to 2012 was conducted. Rate ratios (RR) were estimated for PTB and its subtypes-spontaneous and clinician-initiated-after adjusting for confounders through Poisson regression. Universal age/race reference groups (NHW, 25-29 years) and race-specific reference groups (NHW or NHB, 25-29 years) were used for comparisons.ResultsAmong all women, RR of PTB was highest at the extremes of age (<15 and ≥40 years). Among NHBs, the risk of PTB was higher than among NHWs at all maternal ages (adjusted RR of PTB 1.38-2.93 vs 0.98-2.38). However, using race-specific reference groups, the risk of PTB for NHB women (RR 0.91-1.88) vs NHW women (RR 0.98-2.39) was nearly identical at all maternal ages, with overlapping confidence intervals. Analyses did not demonstrate substantial divergence of risk with advancing maternal age. PTB, spontaneous PTB, and clinician-initiated PTB demonstrated similar risk patterns at younger but not older maternal ages, where risk of clinician-initiated PTB increased sharply for all women.ConclusionsPrimiparae NHBs demonstrated increased risk of PTB, spontaneous PTB, and clinician-initiated PTB compared with NHWs at all maternal ages. However, RRs using race-specific reference groups converged across maternal ages, indicating a similar independent effect of maternal age on PTB by race/ethnicity. A differential effect of maternal age does not appear to explain disparities in preterm birth by race/ethnicity.

Project description:The black-white disparity in preterm birth has been well documented in the USA. The racial/ethnic composition of a neighborhood, as a marker of segregation, has been considered as an underlying cause of the racial difference in preterm birth. However, past literature using cross-sectional measures of neighborhood racial/ethnic composition has shown mixed results. Neighborhoods with static racial/ethnic compositions over time may have different social, political, economic, and service environments compared to neighborhoods undergoing changing racial/ethnic compositions, which may affect maternal health. We extend the past work by examining the contribution of neighborhood racial/ethnic composition trajectories over 20 years to the black-white difference in preterm birth. We used natality files (N = 477,652) from birth certificates for all live singleton births to non-Hispanic black and non-Hispanic white women in Texas from 2009 to 2011 linked to the Neighborhood Change Database. We measured neighborhood racial/ethnic trajectories over 20 years. Hierarchical generalized linear models examined relationships between neighborhood racial/ethnic trajectories and preterm birth, overall and by mother's race. Findings showed that overall, living in neighborhoods with a steady high proportion non-Hispanic black was associated with higher odds of preterm birth, compared with neighborhoods with a steady low proportion non-Hispanic black. Furthermore, while black women's odds of preterm birth was relatively unaffected by neighborhood proportions of the Latinx or non-Hispanic white population, white women had the highest odds of preterm birth in neighborhoods characterized by a steady high proportion Latinx or a steady low proportion non-Hispanic white. Black-white differences were the highest in neighborhoods characterized by a steady high proportion white. Findings suggest that white women are most protected from preterm birth when living in neighborhoods with a steady high concentration of whites or in neighborhoods with a steady low concentration of Latinxs, whereas black women experience high rates of preterm birth regardless of proportion white or Latinx.

Project description:BackgroundThe population-level landscape of co-occurring birth defects among infants without a syndromic diagnosis is not well understood.MethodsWe analyzed data from 40,771 infants with two or more major birth defects in the Texas Birth Defects Registry (TBDR; 1999-2014). We calculated adjusted observed-to-expected (O/E) ratios for all two, three, four, and five-way combinations of 138 major defects.ResultsAmong 530 patterns with the highest adjusted O/E ratios (top 5% of 10,595 patterns), 66% included only defects co-occurring within one organ system and 28% were suggestive of known patterns (e.g., midline developmental defects). Of the remaining patterns, the combination of defects with the highest O/E ratio (193.8) encompassed the diaphragm, spine, spleen, and heart defects. Fourteen patterns involved heart and spine defects with or without rib defects. Ten additional patterns primarily involved two hallmark components of VACTERL association (specifically, vertebral defects, anal atresia, cardiac defects, renal, or limb defects, but not tracheoesophageal fistula).ConclusionsOur analyses provide a description of the birth defect co-occurrence patterns in a multi-ethnic, population-based sample, and revealed several patterns of interest. This work complements prior work that has suggested etiologic connections between select defects (e.g., diaphragmatic hernia and heart and spleen anomalies; heart and spine defects).ImpactIn this large-scale, population-based study of birth defect co-occurrence patterns, we found several birth defect combinations of potential interest that warrant further investigation: congenital diaphragmatic hernia, heart, spine, and spleen defects and scimitar syndrome with vertebral defects. The majority of patterns of co-occurring defects observed more frequently than expected involved multiple defects within the same system and combinations suggestive of known associations. Nearly all of the top patterns (beyond the same system and those suggestive of known associations) involved organ systems that are components of the VACTERL association, with heart, spine, and rib defect patterns being the most common.

Project description:ImportanceIf unintended pregnancy is common among women with epilepsy and is associated with increased risk of spontaneous fetal loss (SFL), it is important to develop guidelines for safe and effective contraception for this community.ObjectiveTo assess whether planned pregnancy is a determinant of SFL in women with epilepsy.Design, setting, and participantsThe Epilepsy Birth Control Registry conducted this web-based, retrospective survey between 2010 and 2014. It gathered demographic, epilepsy, antiepileptic drug (AED), contraceptive, and reproductive data from 1144 women with epilepsy in the community between ages 18 and 47 years. Data were analyzed between March 2018 and May 2018.Main outcomes and measuresThe primary outcome was the risk ratio (RR) with 95% confidence intervals for SFL in unplanned vs planned pregnancies. The secondary outcome was the identification of some potentially modifiable variables (maternal age, pregnancy spacing, and AED category) of SFL vs live birth using binary logistic regression.ResultsThe participants were proportionally younger (mean [SD] age, 28.5 [6.8] years), and 39.8% had household incomes of $25 000 or less. Minority women represented only 8.7% of the participants. There were 530 of 794 unplanned pregnancies (66.8%) and 264 of 794 planned pregnancies (33.2%). The risk for SFL in 653 unaborted pregnancies in women with epilepsy was greater for unplanned (n = 137 of 391; 35.0%) than planned (n = 43 of 262; 16.4%) pregnancies (RR, 2.14; 95% CI, 1.59-2.90; P < .001). Regression analysis found that the risk for SFL was greater when planning was entered alone (odds ratio [OR], 2.75; 95% CI, 1.87-4.05; P < .001) and more so when adjusted for maternal age, interpregnancy interval, and AED category (OR, 3.57; 95% CI, 1.54-8.78; P = .003). Interpregnancy interval (OR, 2.878; 95% CI, 1.8094-4.5801; P = .008) and maternal age (OR, 0.957; 95% CI, 0.928-0.986 for each year from 18 to 47 years; P = .02), but not AED category, were also associated. The risk was greater when interpregnancy interval was less than 1 year (n = 56 of 122; 45.9%) vs greater than 1 year (n = 56 of 246; 22.8%) (RR, 2.02; 95% CI, 1.49-2.72; P < .001). Relative to the younger than 18 years cohort (n = 15 of 29; 51.7%), the risks were lower for the intermediate older cohort aged 18 to 27 years (n = 118 of 400; 29.5%; RR, 0.57; 95% CI, 0.39-0.84; P < .004) and the cohort aged 28 to 37 years (n = 44 of 212; 20.8%; RR, 0.40; 95% CI, 0.26-0.62; P < .001) but not significantly different for the small number of participants in the aged 38 to 47 years cohort (n = 3 of 12; 25.0%). No individual AED category's SFL frequency differed significantly from the no AED category.Conclusions and relevanceThe Epilepsy Birth Control Registry retrospective survey finding that unplanned pregnancy in women with epilepsy may double the risk for SFL warrants prospective investigation with outcome verification.

Project description:ObjectiveTo examine whether depression, intimate partner violence, and other psychosocial stressors were independently associated with effectiveness level of postpartum contraception among women who recently had an unintended birth.MethodsWe analyzed cross-sectional data from PRAMS (the Pregnancy Risk Assessment Monitoring System) to identify women who had an unintended birth between 2012 and 2015. The effectiveness level of the contraceptive method was coded into one of five categories based on the postpartum contraceptive method that women were using: none, less effective (withdrawal, rhythm, condoms, or other barrier), moderately effective (pill, patch, ring, or shot), long-acting reversible contraception (LARC; intrauterine devices or implants), and sterilization (female or male sterilization). Multinomial logistic regression was used to examine whether prepregnancy depression or elevated postpartum depressive symptoms, intimate partner violence before or during pregnancy, and number of psychosocial stressors before birth were associated with effectiveness level of method (compared with no method), in models adjusted for sociodemographics, pregnancy context, and postpartum context.ResultsComplete data were available for 56,445 (88.2%) of the 64,030 eligible women: 24.2% experienced depression; 5.3% experienced intimate partner violence; and 16.8% experienced five or more psychosocial stressors around the time of pregnancy or birth. In adjusted models, experiencing intimate partner violence and more stressors lowered women's relative risk of using sterilization, LARC, moderately effective methods, and less-effective contraceptive methods relative to no method use. Only prepregnancy depression was associated with using sterilization compared with no method use.ConclusionsExperiencing intimate partner violence and having more psychosocial stressors were each independently associated with not using a postpartum contraceptive method. Standardized screening for psychosocial factors during prenatal and postpartum care should be integrated, and practices that encourage the discussion of patients' psychosocial experiences and postpartum contraception use together are warranted.

Dataset Information

Unintended birth among Hispanic women in Texas: a descriptive analysis.

Publications

Unintended birth among Hispanic women in Texas: a descriptive analysis.

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