scholarly journals Population Attributable Fractions of Caffeine and Water Pipe on low birth weight: The Bandar-Abbas Population-based Cohort in suburban areas

2021 ◽  
Author(s):  
Shahrzad Nematollahi ◽  
Mohammad Ali Mansournia ◽  
Abbas Rahimi-Foroushani ◽  
Ali Mouseli ◽  
Hossein Shabkhiz ◽  
...  
Keyword(s):  
Birth Weight ◽  
Low Birth Weight ◽  
Population Based ◽  
World Health ◽  
Caffeine Intake ◽  
Water Pipe ◽  
Suburban Communities ◽  
Population Attributable Fractions ◽  
Attributable Fractions ◽  
Bandar Abbas

Abstract Background: Low Birth Weight (LBW) poses a major health challenge in low-resource suburban communities. Despite relatively commonality, there is little evidence on the effects of water pipe and dietary caffeine on reproductive outcomes in the Middle-East region. The Bandar Abbas Pregnancy Cohort (BAPC), as a population-based prospective study, has been investigating the effects of lifestyle and environmental factors on maternal wellbeing and child growth and development in suburban communities in the south of Iran. This study used the BAPC data to estimate the attribution of LBW incidence to fully or partially removal of dietary caffeine intake and water pipe smoking during pregnancy.Methods: ‎The present study used data on 861 live singleton pregnancies in the first two BAPC visits (response rate= 95.42%). Water pipe smoking (yes/no) was measured during pregnancy using a structured checklist recommended by the World Health Organization (WHO). Dietary caffeine intake was measured during pregnancy using a structured checklist and categorized into low for 0-99 mg/day, and high for>100 mg/day. LBW (yes/no) was determined using recorded birth weight in infant`s vaccination card. Exposure relative risks were calculated using Modified Poisson regression models. Population Attributable Fractions (PAFs) and Generalized Impact Fractions (GIFs) were calculated on relative risk scale. The prevalence of counter fact was set as 3% for water pipe smokers and 14.9% for intake of >100 mg/day caffeine.Results: The cumulative incidence of LBW was 16.1%. An estimated 19% (95%CI: 6, 30%) and 11% (95%CI: 8, 14%) of LBW were attributed to high intake of dietary caffeine and water pipe smoking, respectively. Reducing the intake of caffeine to less than 100 mg/day or prevalence of water pipe to 3% would prevent 10.7% (95%CI: 6.6, 25.3%) and 5.7% ‎‎(95%CI: ‎5.0, 6.8%) of LBW incidence, respectively. ‎Conclusions: Our findings have provided evidence on quantitative contributions of caffeine and water pipe on LBW using real-world data. Integration of this information into practical action plans to prevent LBW is the next step in our cohort project. Furthermore, to get an overarching picture and in-depth understanding of reproductive effects of caffeine and water pipe, exercising this study`s analytic approach in other contexts is encouraged. ‎

Population Attributable Fractions of Caffeine and Water Pipe on Low Birth Weight: A Population-Based Prospective Cohort Study in Iran

2020 ◽  
Author(s):  
Shahrzad Nematollahi ◽  
Mohammad Ali Mansournia ◽  
Abbas Rahimi-Foroushani ◽  
Ali Mouseli ◽  
Hossein Shabkhiz ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Weight ◽  
Pregnant Women ◽  
Prospective Cohort Study ◽  
Prospective Cohort ◽  
Population Based ◽  
Caffeine Intake ◽  
Water Pipe ◽  
Population Attributable Fractions ◽  
Attributable Fractions

Abstract BackgroundTo estimate Population Attributable Fractions (PAFs) and Generalized Impact Fractions (GIFs) for LBW following scenarios to remove or decrease prenatal use of caffeine or water pipe.Methods‎Using data of 861 pregnant women from a population-based prospective cohort study ‎in suburbs of Bandar Abbas city (2016-2018), PAFs and GIFs were calculated based on the relative risk scale. Practical interventional scenarios to reduce the exposure prevalence were developed for calculation of GIFs. ResultsThe cumulative incidence of LBW was 16.1%. An estimated 19% (95%CI: 6, 30%) of LBW neonates was attributed to dietary caffeine intake of >100 mg/day and 11% (95%CI: 8,14%) to water pipe smoking. Action plans to reduce caffeine intake and water pipe smoking suggested an avoidable burden of LBW cases of approximately 10.7% (95% CI: 6.6, 25.3%) and 5.7% ‎‎(95%CI: ‎5.0, 6.8%), respectively.‎ConclusionsWater pipe smoking and excessive consumption of caffeine during pregnancy decreased birth weight. Practical action plans to control water pipe smoking ‎and to prevent excessive intake of ‎caffeine ‎among pregnant women would substantially reduce LBW burden in the south of Iran. ‎

scholarly journals Caffeine Intake and Low Birth Weight: A Population-based Case-Control Study

1998 ◽  
Vol 147 (7) ◽  
pp. 620-627 ◽  
Author(s):  
I. S. Santos ◽  
C. G. Victora ◽  
S. Huttly ◽  
J. B. Carvalhal
Keyword(s):  
Birth Weight ◽  
Low Birth Weight ◽  
Case Control Study ◽  
Population Based ◽  
Case Control ◽  
Caffeine Intake ◽  
Control Study

scholarly journals A Case-Control Study on Maternal caffeine intake during Pregnancy and Risk of Low Birth Weight in Wolaita zone, Southern Ethiopia

2020 ◽  
Author(s):  
Leila Hussen ◽  
Blen Desu
Keyword(s):  
Logistic Regression ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Case Control Study ◽  
Case Control ◽  
World Health ◽  
Caffeine Intake ◽  
Caffeine Consumption ◽  
Multivariable Logistic Regression ◽  
Control Study

Abstract Background: World Health Organization (WHO) recommends caffeine intake during pregnancy should be lower than 300 mg/day. Maternal caffeine intake is associated with adverse birth outcomes. However, little information is available on maternal caffeine consumption during pregnancy and its effect on birth weight. Objective: This study aimed to evaluate the level of maternal caffeine intake during pregnancy and its effect on birth weight in Wolaita zone hospitals in South Ethiopia. .Method: The case-control study design was applied from March 1 to July 30, 2019. A total of 395 mothers (99cases and 296 controls) were interviewed by trained data collectors using a structured and pretested questionnaire. Anthropometric measurements were taken both from mothers and newborns. The association between maternal caffeine intake and birth weight was computed through bivariable and multivariable logistic regression analyses and statistical significance was declared at p-value < 0.05. Results: Mean (±SD) caffeine intake among pregnant women was 342±172 mg/day. A vast majority of the respondents 374(94.7%) consumed caffeine during the current pregnancy, out of this 269(68%) ingested 300mg or more of caffeine per day (high consumers).Relatively more mothers of low birth weight infants were consumed high caffeine 87(87.9%) compared with controls (51.5%). multivariable logistic regression model indicated that those mothers who consumed high caffeine during pregnancy were four times more likely to have a newborn with low birth weight (AOR= 4.1( 95% CI 1.2, 10.1)Conclusion: This research result gives insight for health professional should be aware of the impact of heavy caffeine consumption on birth outcome and try to screen and consulate pregnant mothers who are at risk of having infants with LBW and provide skilled nutritional counseling during ANC visits, including the intake of caffeine.

Low Birth-weight in NSW, 1987: a Population-based Study

1993 ◽  
Vol 33 (3) ◽  
pp. 243-248 ◽  
Author(s):  
Charles Algert ◽  
Christine Roberts ◽  
Pamela Adelson ◽  
Michael Frommer
Keyword(s):  
Birth Weight ◽  
Low Birth Weight ◽  
Population Based ◽  
Population Based Study

Preventable Risk Factors for Dementia: Population Attributable Fractions in a Brazilian Population-Based Study

2021 ◽  
Author(s):  
Wyllians Vendramini Borelli ◽  
Vanessa Bielefeldt Leotti ◽  
Matheus Zschornack Strelow ◽  
Márcia Lorena Fagundes Chaves ◽  
Raphael Machado Castilhos
Keyword(s):  
Risk Factors ◽  
Population Based ◽  
Brazilian Population ◽  
Population Based Study ◽  
Population Attributable Fractions ◽  
Attributable Fractions

scholarly journals High Blood Pressure during Pregnancy is not a Protective Factor for Preterm Infants with Very Low Birth Weight. A Case-Control Study

2017 ◽  
Vol 39 (04) ◽  
pp. 155-161 ◽  
Author(s):  
Annibal Sabino ◽  
Eduardo de Souza ◽  
Ana Goulart ◽  
Adriana Lima ◽  
Nelson Sass
Keyword(s):  
Blood Pressure ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Protective Factor ◽  
Case Control Study ◽  
Very Low Birth Weight ◽  
Case Control ◽  
World Health ◽  
Control Group ◽  
Control Study

Objective To evaluate whether the presence of maternal blood pressure reduces the risks of morbidity, perinatal mortality and morbidity at 24 months of age in very low birth weight infants (VLBWIs) compared with a control group. Methods A retrospective, observational, case-control study. Total 49 VLBWIs were allocated to the study group, called the maternal arterial hypertension group (AHG), and matched with 44 in the control group (CG). The infants were assessed during hospitalization and at 12 and 24 months corrected age at a specialized clinic. For the assessment of growth, the World Health Organization (WHO) Anthro software (Geneva, 2006) was used, and for the psychomotor assessment, the Denver II test was used. Results In relation to the antenatal variables, the infants of the AHG had more centralized circulation assessed by Doppler, received more corticosteroids and magnesium sulfate, and were born by cesarean section more frequently. In terms of the postnatal and in-hospital outcomes, the AHG had a higher gestational age at birth (30.7 versus 29.6 weeks) and a lower frequency of 5-minute Apgar scores of less than 7 (26.5% versus 52.3%). The CG had a higher rate of pulmonary dysplasia (30.2% versus 8.3%). There were no differences in terms of hospital mortality, complications, somatic growth and functional problems at 24 months of corrected age. Conclusion The presence of maternal hypertension, especially preeclampsia, was not a protective factor against morbidity, mortality and evolution in VLBWIs aged up to 24 months. Therefore, the clinical practice should be focused on prolonging the pregnancy for as long as possible in these conditions as well.

scholarly journals Association between Caffeine Consumption in Pregnancy and Low Birth Weight and Preterm Birth in the birth Cohort of Ribeirão Preto

2018 ◽  
Vol 40 (12) ◽  
pp. 749-756 ◽  
Author(s):  
Fernanda Vitti ◽  
Carlos Grandi ◽  
Ricardo Cavalli ◽  
Vanda Simões ◽  
Rosângela Batista ◽  
...  
Keyword(s):  
Birth Weight ◽  
Preterm Birth ◽  
Low Birth Weight ◽  
Birth Cohort ◽  
Skin Color ◽  
Sao Paulo ◽  
Caffeine Intake ◽  
São Paulo ◽  
Caffeine Consumption ◽  
Coffee Intake

Objective To describe caffeine consumption during pregnancy and its association with low birth weight (LBW) and preterm birth in the birth cohort of Ribeirão Preto, state of São Paulo, Brazil, in 2010. Methods Cohort study, with descriptive and analytical approach. Data included 7,607 women and their newborns in Ribeirão Preto, state of São Paulo, Brazil. The women answered standardized questionnaires about reproductive health, prenatal care, life habits, sociodemographic conditions, and information about coffee intake. The independent variable was high caffeine consumption (≥300 mg/day) from coffee during pregnancy, and the dependent variables were LBW (birth weight < 2,500 g) and preterm birth (< 37 weeks of gestational age). Four adjusted polytomous logistic regression models, relative risk (RR) and 95% confidence interval (CI) were fitted: biological and sociodemographic conditions; obstetric history; current gestational conditions; and all variables included in the previous models. Results A total of 4,908 (64.5%) mothers consumed caffeine, 143 (2.9%) of whom reported high consumption. High caffeine intake was significantly associated with reduced education and with the occupation of the head of the family, nonwhite skin color, not having a partner, higher parity, previous abortion and preterm birth, urinary tract infection, threatened abortion, alcohol consumption and smoking. No association was found between high caffeine consumption and LBW or preterm birth in both unadjusted (RR = 1.45; 95% CI: 0.91–2.32; and RR = 1.16; 95% CI: 0.77–1.75, respectively) and adjusted analyses (RR = 1.42; 95% CI: 0.85–2.38; and RR = 1.03; 95% CI: 0.65–1.63, respectively). Conclusion In this cohort, high caffeine intake was lower than in other studies and no association with LBW or preterm birth was found.

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