Abstract：
OBJECTIVE:The degree of aggregation is determined for the whole population and for different age-specific strata and is used for assessing the reinfection rate after a mass antihelminthic chemotherapeutic intervention. MATERIAL AND METHODS:The degree of aggregation of Ascaris lumbricoides is derived from prevalence and intensity of infection date obtained from an epidemiological study of ascariasis carried out in Coatzacoalcos, Veracruz, México by means of maximum likelihood estimation of the negative binomial distribution. RESULTS:The results show that the distribution of the parasite for the whole population differs from the distribution of the parasite within each age-specific stratum; the reinfection rate is not uniform, the dynamics of the host-parasite association exhibits a clear destabilization of its endemic equilibrium after a first round of mass treatment. CONCLUSIONS:It is suggested that the aggregation among the different age-groups is highly variable and hence the infection and reinfection rates are heterogeneous with regard to age; these states of the host-parasite system are transient. Given the heterogeneity of the infection, the selective treatment seems to be the most adequate strategy to diminish helminth infection rates.
journal_name
Salud Publica Mexjournal_title
Salud publica de Mexicoauthors
Ruíz A,Ocampo G,Soto A,José MVsubject
Has Abstractpub_date
1996-07-01 00:00:00pages
249-56issue
4eissn
0036-3634issn
1606-7916journal_volume
38pub_type
杂志文章abstract：OBJECTIVE:To compare cancer mortality rates in Mexico from two national death registries that independently code and attribute cause of death. MATERIALS AND METHODS:We compared 5-year age-standardized total cancer and sitespecific cancer mortality rates (2010-2014) from Mexico's official death registry with a death re...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.21149/10635
更新日期：2020-03-01 00:00:00
abstract：OBJECTIVE:This paper aims at describing the behavior of tobacco's demand in Mexico across four one-year periods: 1992, 1994, 1996, and 1998, as well as to estimate a cigarette demand function. MATERIAL AND METHODS:A cross-sectional study with longitudinal analysis was conducted. Information sources were the Encuesta N...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2002-01-01 00:00:00
abstract：OBJECTIVE:To estimate the prevalence of Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) infection in groups of individuals at different risks of sexually transmitted infections (STI). MATERIAL AND METHODS:Between January 1992 and December 1993, a cross-sectional multicentric study was carried out at the Inst...
journal_title：Salud publica de Mexico
pub_type： 杂志文章,多中心研究,评审
doi：
更新日期：2003-01-01 00:00:00
abstract：OBJECTIVE:Characterize diagnosis and treatment of breast cancer in Bogota, Colombia and examine the extent and determinants of patient delay. MATERIAL AND METHODS:Using a census approach we identified 1 106 women with breast cancer. Information was gathered through personal interviews and the review of medical records...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342009000500004
更新日期：2009-09-01 00:00:00
abstract：:This document briefly describes the health conditions of the Colombian population and, in more detail, the characteristics of the Colombian health system. The description of the system includes its structure and coverage; financing sources; expenditure in health; physical material and human resources available; monito...
journal_title：Salud publica de Mexico
pub_type： 杂志文章,评审
doi：
更新日期：2011-01-01 00:00:00
abstract：OBJECTIVE:To assess the effect of micronutrient supplementation on tuberculosis (TB) patient outcomes. MATERIAL AND METHODS:The randomized, double-blinded, placebo-controlled study was conducted in pulmonary TB patients undergoing directly observed treatment short course/ tratamiento acortado estrictamente supervisado...
journal_title：Salud publica de Mexico
pub_type： 杂志文章,随机对照试验
doi：10.1590/s0036-36342010000300001
更新日期：2010-05-01 00:00:00
abstract：:The purpose of this study is to analyze the HIV/AIDS magnitude, distribution, frequency, patterns, trends, risk factors, risk groups, estimation and evaluation of interventions in Mexico during the last twelve years. Results of a summary of statistics and results from several sources are presented including the Nation...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1995-11-01 00:00:00
abstract：OBJECTIVE:To analyze the association between the severity of car accident injuries and the use of safety belts. MATERIAL AND METHODS:The unit of observation and analysis was car drivers in the Mexico-Cuernavaca toll highway. Variables included were those of car drivers, the vehicles and the physical environment at the...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1996-03-01 00:00:00
abstract：:We report the injuries for "E" code in 10191 subjects attending four general hospitals of Mexico City. Seventy-nine per cent of them were males and 29.1 per cent were females. THe highest utilization rate of the care unit was during weekends. Only 14 per cent of the study population were admitted to the hospital. Peop...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1993-09-01 00:00:00
abstract：OBJECTIVE:This study presents findings from the Global Youth Tobacco Survey (GYTS) regarding current cigarette smoking and other tobacco epidemic indicators. MATERIAL AND METHODS:The GYTS used a two-stage cluster sample survey to generate representative samples of students aged 12 to 15 years old enrolled in public, p...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2006-01-01 00:00:00
abstract：OBJECTIVE:Analyze the impact of a mixed regime of infectious and chronic conditions among older adults in Mexico on their health progression. MATERIALS AND METHODS:A total of 12 207 adults from the Mexican Health and Aging Study were included. Logistic regression analyses were conducted to assess the relationship betw...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342012000500005
更新日期：2012-10-01 00:00:00
abstract：OBJECTIVE:To describe the Strategy Results Cycle (SRC), a model that approaches planning as an ongoing cycle of seven phases that continually responds and adapts to existing evidence. MATERIALS AND METHODS:Reliable sources were used for the preparation of databases and expenditure-costing data for resources needs anal...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2013-07-01 00:00:00
abstract：OBJECTIVE:To identify the maternal, work, and health services factors associated with a short duration of breast-feeding in working mothers. MATERIAL AND METHODS:A cross-sectional study was carried out between November 1998 and March 1999, among 265 mothers medically insured by (Instituto Mexicano del Seguro Social, I...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2003-07-01 00:00:00
abstract：OBJECTIVE:To assess the internal consistency, as well as the construct, concurrent and external consistency of the Center for Epidemiologic Studies Depression Scale (CES-D-R) in Mexican adolescents. MATERIAL AND METHODS:The data are from two samples of middle-school students from Mexico City. The questionnaire include...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342008000400007
更新日期：2008-07-01 00:00:00
abstract：OBJECTIVE:Analyze barriers and facilitators of access to prenatal care in pregnant urban adolescents between 15-19 years of age in Santiago, Chile. MATERIALS AND METHODS:Qualitative study based on grounded theory with 17 adolescent mothers. Eleven semi-structured interviews and one focus group were conducted. RESULT:...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2013-12-01 00:00:00
abstract：Objective::We aimed to explore organ donation and transplantation in Mexico from the point of view of transplantation health professionals. Materials and methods::A qualitative study was carried out. Twenty six organ transplantation health professionals from seven states of Mexico participated. Semi-structured face-to...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.21149/7755
更新日期：2017-01-01 00:00:00
abstract：OBJECTIVE:To assess changes in the magnitude of food insecurity (FI) in Mexican households in poverty from 2012 to 2018 and to analyze the association of FI with the access, availability and consumption of food. MATERIALS AND METHODS:Data on 4 464 households were drawn from the Encuesta Nacional de Salud y Nutrición i...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.21149/10579
更新日期：2019-11-01 00:00:00
abstract：:Absence of financial protection in health is a recently diagnosed "disease" of health systems. The most obvious symptom is that families face economic ruin and poverty as a consequence of financing their health care. Mexico was one of the first countries to diagnose the problem, attribute it to lack of financial prote...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2007-01-01 00:00:00
abstract：OBJECTIVE:To estimate the prevalence of antibodies against Trypanosoma cruzi in blood donors from Hospital General Regional (HGRO) of the Mexican Institute of Social Security (IMSS per its abbreviation in Spanish). MATERIAL AND METHODS:Between October 2001 and January 2002, blood samples were collected from voluntary ...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342006000100004
更新日期：2006-01-01 00:00:00
abstract：OBJECTIVE:To evaluate the efficacy and efficiency of tuberculosis treatment administered by the Secretaría de Salud (SSA) in the sanitary jurisdictions of Cuernavaca and Cuautla, Morelos, for the 1992-1996 period by retrospectively reviewing tuberculosis treatment control cards. MATERIAL AND METHODS:Official Norm for ...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1998-09-01 00:00:00
abstract：Objective::To identify factors associated with susceptibility, tobacco use and addiction in young people from 13 to 15 years of age, to determine conditions of risk and identify possible correlates to the development of public policies on smoking in Costa Rica. Materials and methods::Information available from the fou...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.21149/7765
更新日期：2017-01-01 00:00:00
abstract：:AIDS and human rights are closely related issues. This paper describes the relationship between AIDS and human rights, the impact and consequences of discrimination and the importance of the defense of human rights as a cornerstone strategy in AIDS prevention. Some general ethical aspects are addressed and two dilemma...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1995-11-01 00:00:00
abstract：OBJECTIVE:To describe the epidemiologic pattern of acute pesticide poisoning (APP) in a general hospital in Merida, Yucatan, Mexico. MATERIAL AND METHODS:From 1994 to 1998, 33 patients 13 years of age or older with diagnosis of APP were studied. Descriptive statistics were used to analyze information. RESULTS:Males w...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：2000-01-01 00:00:00
abstract：:This article discusses recent evidence pointing to an infectious etiology of premature rupture of the membranes and preterm labor. We conclude that antepartum infection is strongly related to preterm labor, premature rupture of the membranes and perinatal morbidity and mortality. ...
journal_title：Salud publica de Mexico
pub_type： 杂志文章,meta分析
doi：
更新日期：1990-05-01 00:00:00
abstract：OBJECTIVE:To assess the effects of maternal overweight and obesity as risk factors for overweight and obesity in Mexican school-age children (5 to 11 years old) who participated in the National Nutrition Survey 1999 (NNS-99). MATERIAL AND METHODS:Information obtained by the NNS-99 was used to evaluate the relationship...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342005000600009
更新日期：2005-11-01 00:00:00
abstract：OBJECTIVES:To describe knowledge,attitudes and practices in oral health of parents and caregivers. MATERIAL AND METHODS:A total of 333 parents and eight caregivers in children's homes in Colombia in 2010 completed questionnaires and participated in focus group interviews.The data was analyzed for frequency using the χ...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342011000300009
更新日期：2011-05-01 00:00:00
abstract：OBJECTIVE:To describe the prevalence of serum iron and zinc deficiencies and low serum concentrations (LSC) of copper and magnesium in Mexican adults. MATERIALS AND METHODS:Blood samples from subjects (≥20 years, both genders) participating in the 2006 National Health and Nutrition Survey were used to measure the seru...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.21149/spm.v55i3.7210
更新日期：2013-05-01 00:00:00
abstract：OBJECTIVE:This research analyzes the direct and indirect relationships among family functioning, multidimensional self-esteem (family, academic, social, and physical self-esteem) and substance use. MATERIALS AND METHODS:The study participants were composed of two independent samples of Spanish adolescents who provided...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：10.1590/s0036-36342007000100002
更新日期：2007-01-01 00:00:00
abstract：:The purpose of this study was to determine if the use of "earthenware dishes" is associated with high blood lead levels in children. Measurements of lead in blood were done in 169 school-children. Of this sample 100 children were selected: 50 of them with the lowest concentration of lead in blood and 50 with the highe...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1994-03-01 00:00:00
abstract：:In order to estimate the prevalence of mental disorders in epidemiologic studies in the community, our department has designed the Modified Psychiatric Interview (MPI), a semi-structured interview derived from the Standardized Psychiatric Interview by Goldberg et al. This instrument confirms the presence of "psychiatr...
journal_title：Salud publica de Mexico
pub_type： 杂志文章
doi：
更新日期：1989-07-01 00:00:00
