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The explanatory models of mental health amongst low-income women and health care practitioners in Lusaka, Zambia.

There is currently much debate about the cultural construction and specificity of mental health. It is thus not surprising that explanatory models, which look at the meaning of illness for those suffering from it, have been widely used within the mental health field. This paper considers the significance of explanatory models and presents a study comparing the explanatory models of mental ill health used by urban women in low-income groups and local health care practitioners in ZAMBIA: To measure mental ill-health status, an instrument recommended by the World Health Organization was used - the Self Reporting Questionnaire, 20 items (SRQ 20). To obtain explanatory models, Kleinman's classic eight questions were adapted. The terms used by the practitioners to define and explain the mental health problems of women in low-income groups were 'stress and depression', with these two concepts being used interchangeably. In contrast, the phrase most frequently used by the women was 'problems of the mind'. The professionals regarded the experience of depression itself as a manifestation of ill health. For the women, however, only the physical symptoms were defined as ill health. There was a common agreement, however, that the women's socioeconomic situation as a major causal factor. Both groups identified the home environment as a key determinant, particularly the quality of marital relationships. Greater awareness of explanatory models may have beneficial effects on mental health policy and planning, both at national levels (where recognition of the true prevalence and burden of mental ill health should have an impact on public health policy) and at the level of local implementation (where training of health professionals to take patients' explanatory models into account might contribute towards the diagnosis of mental health problems).

Adult↗

The problem of children's injuries in low-income countries: a review.

Unintentional injuries are the cause of death and disability for millions of children every year in low-income countries. Challenging living conditions, heavy traffic, a lack of safe play space and an absence of child care options, together with a disproportionate vulnerability to injury, combine to put children at high risk. Inaccessible and unaffordable emergency services add to the number of resulting deaths and impairments. Yet this major public health problem receives relatively little attention. Because communicable disease and nutritional problems continue to rank higher as causes of child mortality and morbidity in most of the developing world, injury is perceived as a less serious problem. Existing research is scanty and is largely limited to hospital-based studies, which cannot present a comprehensive picture of either causes or outcomes. Development of preventive measures is hampered not only by limited health budgets, but by a tendency (not unique to low-income countries) to see injuries as random events, and hence as unpredictable and uncontrollable. There is an urgent need for more research that can contribute to effective analyses of the situation, and especially for locally-based research and record keeping, which is most likely to contribute to awareness and to practical and well-targeted prevention measures.

Accident Prevention↗

Unsafe injections in low-income country health settings: need for injection safety promotion to prevent the spread of blood-borne viruses.

Injections are one of the most frequently used medical procedures. The World Health Organization (WHO) estimates that 12 billion injections are given annually, 5% of which are administered for immunization and 95% for curative purposes. Unsafe injection practices (especially needle and syringe re-use) are commonplace in low-income country health settings, and place both staff and patients at risk of infection with blood-borne viruses (BBVs). It is estimated that up to 160000 human immunodeficiency virus (HIV), 4.7 million hepatitis C and 16 million hepatitis B infections each year are attributable to these practices. The problem is complex and fueled by a mixture of socio-cultural, economic and structural factors. An appropriate response on the part of international organizations, governments, health administrators, community organizations and health workers, including those who work in the area of HIV/AIDS prevention, has been slow to emerge. This paper reviews the literature relating to unsafe injection practices and the transmission of BBVs in low-income countries in order to raise awareness of the issue and the consequent need to promote injection safety messages amongst both consumers and providers of health care services in these countries. The nature and extent of unsafe injection practices, the burden of blood-borne viral illness attributable to unsafe injection practices, and the factors contributing to these practices are summarized, and possible strategies for promoting injection safety discussed.

Blood-Borne Pathogens↗

A tailored multimedia nutrition education pilot program for low-income women receiving food assistance.

This article describes the development and pilot evaluation of a tailored multimedia program to improve dietary behavior among 378 low-income women enrolled in the Food Stamp program in Durham, North Carolina. After randomization to intervention or control groups, participants completed a baseline survey and were resurveyed 1-3 months post-intervention. Measures included dietary fat intake assessed using a brief food-frequency questionnaire, stage of change, knowledge of low-fat foods, self-efficacy and eating behavior questions. The computer-based intervention consisted of a tailored soap opera and interactive 'info-mercials' that provided individualized feedback about dietary fat intake, knowledge and strategies for lowering fat based on stage of change. At follow-up, intervention group participants had improved significantly in knowledge (P < 0.001), stage of change (P < 0.05) and certain eating behaviors (P < 0.05) compared to the control group. Both study groups had lowered their reported fat intake markedly at follow-up (P < 0.001), but did not differ significantly from each other. A majority of participants rated the program as very helpful and were interested in using a similar program in the future. The findings of this pilot study suggest that computerized tailored self-help health promotion programs may be effective educational interventions for lower income and minority populations.

Adult↗

Design of an intervention addressing multiple levels of influence on dietary and activity patterns of low-income, postpartum women.

Low-income, multi-ethnic women are at elevated risk for obesity and chronic diseases, yet influences at different levels may act as barriers to changing risk behaviors. Following the birth of a child, childrearing and social isolation can exacerbate these influences. The social ecological framework integrates behavior-change strategies at different levels, providing a strong theoretical base for developing interventions in this high-risk population. The primary purpose of this randomized controlled trial is to test the efficacy of an educational model delivered by community-based paraprofessionals in improving diet, activity and weight loss among new mothers over a 12-month postpartum period and a 6-month maintenance period. This model fosters institutional change to support behavior changes influenced at intrapersonal and interpersonal levels, through collaboration with federal programs for low-income families: the Special Supplemental Food Program for Women, Infants and Children (WIC), and the Expanded Food and Nutrition Education Program (EFNEP). Participants are randomized to the Usual Care, e.g. WIC nutrition and breastfeeding education, or Enhanced EFNEP intervention arm, consisting of Usual WIC Care plus a sustained, multi-component intervention including home visits, group classes and monthly telephone counseling. If shown to be efficacious, this program will be readily sustainable through existing federal agencies.

Adult↗

Using qualitative and quantitative formative research to develop tailored nutrition intervention materials for a diverse low-income audience.

More effective nutrition education to reach low-income and ethnic minority populations is needed. As part of a project to develop a tailored nutrition education intervention to meet the needs of low-income Hispanics and non-Hispanics, complementary, mixed methods of formative research were used to determine specific characteristics of the target population. The aim was to ensure that the full array of nutrition messages would be comprehensive enough to effectively tailor to the level of the individual. Barriers to healthy eating were delineated for three main dietary behaviors (number of items delineated in parentheses): lowering fat (11), increasing fruit (8) and increasing vegetables (6). Information was also collected regarding motivators for healthy eating (5), situational barriers to making healthy choices (4), other nutrition-related interests (8) and typical eating habits and food-related choices of the target audience.

Feeding Behavior↗

Income, language, and citizenship status: factors affecting the health care access and utilization of Chinese Americans.

This article reports the results of a randomly administered interview of 1,808 Chinese American residents of San Francisco. The study examines income, language, and citizenship status and their effect on the use of health care services by this population. The articles discusses the implications of the findings for low-income and uninsured individuals, particularly people of immigrant status, and concludes with suggestions for local health care planners and advocates.

Adult↗

Stability of health care coverage among low-income working women.

This article examines health insurance stability patterns and the factors associated with stable coverage in a sample of 453 low-income working women. Using data from the National Longitudinal Survey of Youth (NLSY), the authors found that only 51 percent of these women had stable coverage during 1995-1997. Logistic regression results indicate that, controlling for other factors, health insurance stability is significantly higher for those who have higher levels of welfare receipt, have more work hours, have fewer job changes, have higher education levels, are African American or Hispanic, and who live outside central cities. The findings suggest that point-in-time health coverage estimates substantially underestimate the health coverage problems of low-income working women. Health policies need to be more sensitive to transitional problems resulting from job changes, marital disruptions, and other changes in circumstances. Recommendations for revising health care policies and for improving existing health care programs are presented.

Adolescent↗

The impact of immunization control activities on measles outbreaks in middle and low income countries.

BACKGROUND: The World Health Organization recommended strategy for responding to measles outbreaks in developing countries does not promote the use of immunization campaigns due to their high cost, disruptive nature and limited impact. Given the substantial morbidity and mortality associated with such outbreaks, a literature review was conducted as a basis for re-evaluating this policy. METHODS: Reports of supplementary immunization activities that were performed to control measles outbreaks in middle or low income countries were identified. The impact of the immunization activities on the course of each outbreak was evaluated by examining the data provided. RESULTS: Of 66 reports detailing a measles outbreak in a middle or low income country, 17 described supplementary immunization activities which included seven 'non-selective' immunization campaigns, three 'selective' campaigns and one use of an early 2-dose schedule. Eight of the reports commented on the impact of the response, five of which reported a reduction in outbreak morbidity. Only one of the reports, from an isolated island outbreak, provided sufficient data to support a possible reduction in outbreak-associated morbidity. CONCLUSIONS: There are limited data on the impact of measles outbreak immunization activities from developing countries. The available data do not support a change in the WHO recommended strategy for conducting a limited, if any, immunization response to such outbreaks. Immunization strategies which aim to prevent outbreaks may be more effective than campaigns to interrupt transmission of an outbreak which has already begun.

Child↗

Low income postpartum women are at risk of iron deficiency.

We estimated the prevalence of postpartum iron deficiency, anemia and iron deficiency anemia in the United States and compared risk of iron deficiency between women 0-24 mo postpartum (n = 680) and never-pregnant women, 20-40 y old (n = 587). We used data from National Health and Nutrition Examination Survey, 1988-1994. Iron deficiency was defined as abnormal values for > or = 2 of 3 iron status measures (serum ferritin, free erythrocyte protoporphyrin, transferrin saturation). Iron deficiency prevalences for women 0-6, 7-12 and 13-24 mo postpartum were 12.7, 12.4 and 7.8%, respectively, and 6.5% among never-pregnant women. After adjustment for confounding, the risk of iron deficiency among women with a poverty index ratio < or = 130% who were 0-6, 7-12 and 13-24 mo postpartum was 4.1 (95% confidence interval 2.0, 7.2), 3.1 (1.3, 6.5) and 2.0 (0.8, 4.1) times as great, respectively, as never-pregnant women with a poverty index ratio > 130%, but risk was not elevated for never-pregnant women with a poverty index ratio < or = 130%. Compared with the same referent, the risk of iron deficiency was not meaningfully different for women with a poverty index ratio > 130% who were 0-6, 7-12 or 13-24 mo postpartum. Given that low income postpartum women bear a substantially greater iron deficiency risk than never-pregnant women, more attention should be given to preventing iron deficiency among low income women during and after pregnancy.

Anemia, Iron-Deficiency↗

Effects of maternal intelligence, marital status, income, and home environment on cognitive development of low birthweight infants.

OBJECTIVE: To examine direct and mediated effects of maternal IQ, marital status, family income, and quality of the home environment on the cognitive development of low birthweight infants. METHODS: Secondary analyses on a large dataset using hierarchical regression identified factors correlated with cognitive outcomes in children at 3 years of age who were born at low birthweight. RESULTS: Maternal IQ was a critical variable, because it was highly correlated with child IQ and because maternal intelligence influenced patterns of relationships among other predictor variables including marital status, income level, and home environment on child IQ. Analyses revealed that effects of these variables on child IQ interacted with maternal IQ. CONCLUSIONS: Early childhood intervention programs should target those low birthweight infants most at risk for impaired cognitive development. Children at greatest risk are those living with unmarried, low IQ mothers.

Child, Preschool↗

Child and parental self-monitoring as determinants of success in the treatment of morbid obesity in low-income minority children.

OBJECTIVE: To examine self-monitoring by children and parents as related to weight control over 6 months within a long-term multidisciplinary program for low-income minority children with morbid obesity. METHODS: The weight changes of 228 children with obesity were evaluated according to frequency of child and parental self-monitoring. Predictors of self-monitoring were also evaluated. RESULTS: Children who self-monitored on most days lost more weight over 6 months of treatment compared with less-consistent self-monitors. Children whose parents self-monitored were also more likely to self-monitor and lose weight. CONCLUSIONS: Self-monitoring seems just as critical for successful weight control among low-income minority children with obesity as it is in the middle-class populations. Although lower education and higher levels of psychosocial stress may decrease self-monitoring and participation by these families, they might still benefit from targeting highly consistent self-monitoring (by parents and children) as a primary goal in weight-control programs.

Body Mass Index↗

The primary care delivery system in New York's low-income communities: private physicians and institutional providers in nine neighborhoods.

Despite a recent policy emphasis on managed care as the preferred method of financing and delivering care to Medicaid beneficiaries and other indigent populations, there is little information on the availability or the characteristics of primary care providers in low-income neighborhoods. Data from two independent surveys of primary care were analyzed. A 1998 street canvass of each of nine neighborhoods identified 367 primary care offices and 567 private-practice primary care physicians. Survey data on primary care were collected from a total of 280 ambulatory care sites across the city in 1997 and 1999. Information on services, hours, and other data on primary care offered at sites in these nine neighborhoods was compiled to develop a profile of the primary care delivery system. There are relatively few private practice physicians providing primary care in these neighborhoods. While there are considerably more primary care physicians at the ambulatory care sites, there is a wide variation in supply across neighborhoods, driven largely by the presence of sizeable safety-net facilities in several of the neighborhoods. Several indicators of access to primary care across these neighborhoods show similar neighborhood variations. Without primary care availability, managed care's promise of greater access to quality care for low-income populations may fall short.

Ambulatory Care↗

A positively charged residue of phi29 DNA polymerase, highly conserved in DNA polymerases from families A and B, is involved in binding the incoming nucleotide.

Alignment of the protein sequence of DNA-dependent DNA polymerases has allowed the definition of a new motif, lying adjacent to motif B in the direction of the N-terminus and therefore named pre-motif B. Both motifs are located in the fingers subdomain, shown to rotate towards the active site to form a dNTP-binding pocket in several DNA polymerases in which a closed ternary complex pol:DNA:dNTP has been solved. The functional significance of pre-motif B has been studied by site-directed mutagenesis of phi29 DNA polymerase. The affinity for nucleotides of phi29 DNA polymerase mutant residues Ile364 and Lys371 was strongly affected in DNA- and terminal protein-primed reactions. Additionally, mutations in Ile364 affected the DNA-binding capacity of phi29 DNA polymerase. The results suggest that Lys371 of phi29 DNA polymerase, highly conserved among families A and B, interacts with the phosphate groups of the incoming nucleotide. On the other hand, the role of residue Ile364 seems to be structural, being important for both DNA and dNTP binding. Pre-motif B must therefore play an important role in binding the incoming nucleotide. Interestingly, the roles of Lys371 and Ile364 were also shown to be important in reactions without template, suggesting that phi29 DNA polymerase can achieve the closed conformation in the absence of a DNA template.

Amino Acid Motifs↗

Access barriers and the use of prenatal care by low-income, inner-city women.

An important public health agenda in the United States is improving access to prenatal care, particularly for low-income women. The study discussed in this article was designed to determine which social, environmental, and psychological barriers are most likely to interfere with the early and regular use of prenatal health services. Low-income adult women hospitalized on the postpartum unit of a large urban medical center were interviewed about the barriers they experienced gaining access to prenatal care. Access barriers involving family and friends significantly increased the odds of receiving inadequate care, particularly not wanting anyone to know about the pregnancy and not having help getting to clinic appointments. Other important barriers included those related to the health care system and intrapersonal issues. Social workers are in an ideal position to help women eliminate barriers to access to prenatal care through clinical expertise in assessment, advocacy, outreach, and case management.

Adolescent↗

Mother's working status and nutritional status of children under the age of 5 in urban low-income community, Surabaya, Indonesia.

A cross-sectional anthropometrics survey was carried out in a low-income community of Surabaya, Indonesia, to examine the association between mother's employment and the child's nutritional status for identifying a group at risk of having malnourished children. Subjects were 274 children under the age of 5. The children of non-working mothers had significantly higher height-for-age z-score (HAZ) (p < 0.05) than those of working mothers. When mother's work was divided into 'formal' and 'informal', HAZ and weight-for-age z-score (WAZ) of children of the informal worker's group were significantly lower than those of the non-working mother and the formal worker's group (p < 0.05). Mother's education and income of the formal worker's group were significantly higher than those of the informal worker's group (p < 0.01). Our study identified a group at risk of malnutrition, i.e., children of mothers working in informal sectors. The programs to provide childcare for working mothers should target this particular group of poor households.

Adult↗

Outcome expectations, barriers, and strategies for healthful eating: a perspective from adolescents from low-income families.

To better understand outcome expectations, barriers, and strategies for healthful eating, 5 structured focus groups were conducted with adolescents from low-income families (n = 48; 83% Black students; 10-14 years old). The focus group questions dealt with healthful eating in different settings: home, school, and other eating establishments. Results suggested that healthful eating is important to this population, but perceived barriers prevent the consistent consumption of healthful foods. Strategies suggested by participants to increase healthful eating (eg, parents and schools making healthy foods that look and taste good more available) should be considered when developing nutrition interventions for adolescents from low-income families.

Adolescent↗

Health literacy as an empowerment tool for low-income mothers.

Health literacy commonly refers to the extent to which one can access and accurately interpret healthcare information. Statistics reveal that limited health literacy is prevalent among those of lower socioeconomic status. When working with low-income mothers, it is recommended in this article that healthcare professionals operationalize a broader conceptualization of health literacy than assessment of reading levels and translating knowledge of risk factors for illness and disease. Nutbeam's continuum of functional, interactive, and critical health literacy directs healthcare professionals to expand their health education mandate to encompass equipping low-income mothers with the necessary knowledge and skills to gain control over their lives and optimize the healthy development of their children. Tenets from social cognitive theory, principles from interdependence theory, and strategies from Freire's empowerment education model are integral to successful progression along Nutbeam's health literacy continuum.

Educational Status↗