Publications by authors named "Lazaro Gonzalez-Calvo"

This paper explores individual, interpersonal- and household-level factors influencing HIV-related sexual risk behaviour among adolescent girls who participated in an intervention to reduce HIV risk in a rural setting in Mozambique. Twenty-eight adolescent girls ages 13-19, 30 heads of household, and 53 influential men participated in in-depth interviews at two time points. Comparative analysis compared girls who reported reducing risk behaviours over time to girls who did not and identified factors that respondents described as influential to behaviour change.

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Purpose: Our goal was to determine whether an economic and social empowerment intervention implemented in Zambézia Province, Mozambique reduced girls' vulnerability to HIV. We use this experience to discuss challenges of evaluating real-world interventions.

Methods: Two rounds of data were collected from 885 girls, 13-19 years, for this clustered, non-equivalent (two-stage) cohort trial.

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Purpose: An intervention including business training and health education was implemented in Mozambique, where girls are at elevated risk for acquiring HIV. As part of a mixed-methods evaluation, we describe perceived effects of the intervention on girls' sexual behavior and school attendance.

Methods: We conducted 49 in-depth interviews (IDIs) with girl intervention participants (ages 13-19), 24 IDIs with heads of girls' households, 36 IDIs with influential males identified by girls, and 12 focus group discussions with community members after the intervention ended and one year later.

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Women First was a combined economic and social empowerment intervention implemented between 2010 and 2015 in Zambézia Province, Mozambique. The intervention was designed to reduce adolescent girls' risk of HIV and gender-based violence, improve school attendance and empower girls. However, perceptions of girls' improved respectfulness also emerged as an unanticipated effect during the programme evaluation.

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Hazardous drinking places individuals at risk for adverse health events, resulting in a major public health burden globally. Patterns of alcohol consumption among women in Africa remain poorly understood. We aimed to describe alcohol consumption in a representative sample of female heads-of-household in Mozambique.

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Background: In resource-limited rural settings, scale-up of services to eliminate mother-to-child transmission of HIV has not been as effective as in better resourced urban settings. In sub-Saharan Africa, women often require male partner approval to access and remain engaged in HIV care. Our study will evaluate a promising male engagement intervention ("Homens para Saúde Mais" (HoPS+) [Men for Health Plus]) targeting the elimination of mother-to-child transmission in rural Mozambique.

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Background: In 2011, 64% of children in Mozambique, ages 12-23 months, were fully immunized. Large provincial differences in vaccine uptake exist.

Methods: We conducted a survey of 1650 females with children aged 12-23 months in the districts of Gurùé and Milange.

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Background: Malaria is the leading cause of death among children in Mozambique. Prevalence and factors associated with malaria are not well studied among children in rural Zambézia Province. Whether prevalence of malaria varies across diverse districts within the province is unknown.

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Intra-vaginal drying and tightening and labia minora elongation are commonly practised in some parts of southern Africa. We sought to capture data on these practices among women living in Zambézia province, Mozambique. Information was gathered from 3543 female heads of household on > 500 variables, including vaginal practices, in 2014.

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Globally, approximately 5.9 million children under 5 years of age died in 2015, a reduction of over 50% since 1990. Millennium Development Goal 4 established the goal of reducing child mortality by two-thirds by 2015.

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Objective: Healers provide support for acute and chronic illnesses in rural Mozambique, such as socially acceptable traditional 'vaccinations' (subcutaneous cuts in the skin to rub herbs directly into the bloody lesion). We aimed to document the frequency of blood exposure by traditional practitioners in Mozambique.

Methods: We conducted surveys with a simple random sample of 236 traditional healers in Zambézia province.

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Background: Malaria remains a major threat to some 3.2 billion persons globally. Malaria contributes heavily to the overall disease burden in Mozambique and is considered endemic.

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Low rates of antenatal care (ANC) service uptake limit the potential impact of mother-to-child HIV-prevention strategies. Zambézia province, Mozambique, has one of the lowest proportions of ANC uptake among pregnant women in the country, despite the availability of free services. We sought to identify factors influencing ANC service uptake (including HIV counseling and testing) through qualitative methods.

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Introduction: Over half of prehospital deaths in low-income countries are the result of airway compromise, respiratory failure, or uncontrolled hemorrhage; all three conditions can be addressed using simple first-aid measures. For both hospital personnel and laypersons, a basic trauma resuscitation training in modified ABCD (airway, breathing, circulation, disability) techniques can be easily learned and applied to increase the number of first responders in Mozambique, a resource-challenged country.

Methods: A trauma training session was administered to 100 people in Mozambique: half were hospital personnel from 7 district medical centers and the other half were selected laypersons.

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Background: While many countries are transitioning from epidemics of undernutrition to overnutrition, Mozambique's very high 44% prevalence of stunting in children under age 5 years is cause for serious concern.

Methods: We conducted two population-based cross-sectional surveys of ~4000 female heads of households each in Zambézia Province, Mozambique from August-September 2010 (Baseline) and April-May 2014 (Endline) as part of the USAID funded Strengthening Communities through Integrated Programs (SCIP) grant. Anthropometric measurements were collected on 560 children aged 6-59 months at Baseline and 912 children at Endline and classified as: "stunted," a height-for-age z-score less than -2; "wasted," weight-for-height z-score less than -2; and "underweight," weight-for-age z-score less than -2.

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Objectives: To conduct a cross-sectional mapping analysis of HIV knowledge in Zambézia Province, Mozambique, and to examine spatial patterns of HIV knowledge and associated household characteristics.

Methods: A population-based cluster survey was administered in 2010; data were analysed from 201 enumeration areas in three geographically diverse districts: Alto Molócuè, Morrumbala and Namacurra. We assessed HIV knowledge scores (0-9 points) using previously validated assessment tools.

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Background: Poverty is a multidimensional phenomenon and unidimensional measurements have proven inadequate to the challenge of assessing its dynamics. Dynamics between poverty and public health intervention is among the most difficult yet important problems faced in development. We sought to demonstrate how multidimensional poverty measures can be utilized in the evaluation of public health interventions; and to create geospatial maps of poverty deprivation to aid implementers in prioritizing program planning.

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