BackgroundThe efficacy of antiretroviral therapy depends on patient adherence to a daily medication regimen, yet many patients fail to adhere at high enough rates to maintain health and reduce the risk of transmitting HIV. Given the explosive global growth of cellular-mobile phone use, text-messaging interventions to promote adherence are especially appropriate. This meta-analysis synthesized available text messaging interventions to promote antiretroviral therapy adherence in people living with HIV.MethodsWe performed Boolean searches of electronic databases, hand searches of recent year conference abstracts and reverse searches. Included studies (1) targeted antiretroviral therapy adherence in a sample of people living with HIV, (2) used a randomized-controlled trial design to examine a text messaging intervention, and (3) reported at least one adherence measurement or clinical outcome.ResultsEight studies, including 9 interventions, met inclusion criteria. Text-messaging interventions yielded significantly higher adherence than control conditions (OR = 1.39; 95% CI = 1.18, 1.64). Sensitivity analyses of intervention characteristics suggested that studies had larger effects when interventions (1) were sent less frequently than daily, (2) supported bidirectional communication, (3) included personalized message content, and (4) were matched to participants’ antiretroviral therapy dosing schedule. Interventions were also associated with improved viral load and/or CD4+ count (k = 3; OR = 1.56; 95% CI = 1.11, 2.20).ConclusionsText-messaging can support antiretroviral therapy adherence. Researchers should consider the adoption of less frequent messaging interventions with content and timing that is individually tailored and designed to evoke a reply from the recipient. Future research is needed in order to determine how best to optimize efficacy.
The U.S. HIV epidemic has evolved over the past 30 years and is now concentrated in socially marginalized and disenfranchised communities. The health disparities in this epidemic are striking, with most HIV infections occurring in sexual minorities and communities of color. While widely recognized, the health disparities in HIV and AIDS are not often discussed. In this paper, we examine the factors underlying health disparities in the U.S. HIV epidemic. We first discuss the interlocking relationships between biological, social, and behavioral factors that drive HIV epidemics. Guided by a well-established conceptual model of health disparities, we then describe the social positions of those most affected by HIV and AIDS, particularly racial and gender groups. Structural and economic conditions including environmental resources, constraints, access to care, and psychosocial influences are examined in relation to HIV disease trajectories. Greater attention to contextual factors and co-morbidities is needed to reduce the health disparities in HIV infection.
Background Sexually transmitted co-infections increase HIV infectiousness through local inflammatory processes. The prevalence of STI among people living with HIV/AIDS has implications for containing the spread of HIV in general and the effectiveness of HIV treatments for prevention in particular. Methods A systematic review of studies examining STI co-infections in people living with HIV/AIDS. The review focuses on STI contracted after becoming HIV infected. Electronic database and manual searches located clinical and epidemiological studies of STI that increase HIV infectiousness. Results Thirty seven studies of STI-HIV co-infection prevalence were located. Studies of adults living with HIV/AIDS from developed and developing countries reported STI rates for 46 different samples (33 samples had clinical/laboratory confirmed STI). The overall mean point-prevalence for confirmed STI was16.3% (SD = 16.4), and median 12.4% STI prevalence in people living with HIV/AIDS. The most common STI studied were Syphilis with median 9.5% prevalence, gonorrhea 9.5%, Chlamydia 5%, and Trichamoniasis 18.8% prevalence. STI prevalence was greatest at the time of HIV diagnosis, reflecting the role of STI in HIV transmission. Prevalence of STI among individuals receiving HIV treatment was not appreciably different from untreated persons. Conclusions The prevalence of STI in people infected with HIV suggests that STI co-infections could undermine efforts to use HIV treatments for prevention by increasing genital secretion infectiousness.
Historically, the availability of heath care in rural areas has been sparse, and specialized care for people living with HIV (PLWH) has been especially problematic. Rural patients are faced with substantially greater barriers to care than their urban counterparts. A systematic review of empirical studies was conducted concerning barriers to care among patients infected with HIV in rural areas of the United States. This systematic review yielded 15 viable articles for analysis. Among the 27 barriers identified, the most commonly discussed were transportation needs, provider discrimination and stigma, confidentiality concerns, and affordability and lack of financial resources. Barriers to care must be addressed in conjunction with one another in order to alleviate their impacts. Key health care models addressing these concerns are highlighted and used to address the state of the field and provide suggestions for future research.
Context Evidence based, single-session, behavioral interventions that can be used in public health settings are urgently needed for preventing the spread of HIV and other sexually transmitted infections (STI). Brief interventions are particularly promising given the relatively low burden they place on financially limited service providers. Objective To estimate the efficacy of single-session, behavioral interventions for STI prevention. Data Sources MEDLINE (PubMed), PsycINFO, CINAHL, ERIC, Proquest, all international sub-databases in the WHO's Global Health Library were searched through May 2011. Study Selection Data from 29 single-session interventions (20 studies; N = 52,465) with an STI outcome were coded and analyzed. Findings The odds of participants being infected with an STI in the intervention group were reduced by 35% (OR = .65, 95% CI=.55–.77) relative to control group participants. Interventions were compared to active controls and follow-up periods averaged 58 weeks. As such, single-session interventions lead to considerable benefit in terms of disease prevention and create minimal burden for both the patient and the provider. Conclusions Single-session interventions were most often implemented during routine health care services by clinic staff. Use of these procedures make these interventions a reasonable option for currently existing health care infrastructure. Brief and effective STI prevention interventions are a valuable tool for disease prevention and can be readily adapted to bolster the benefits of partially effective biomedical STI/HIV prevention technologies.
Technology is rapidly advancing and becoming a cost effective option for intervention delivery particularly for isolated and hard to reach populations, such as people living with HIV/AIDS. A systematic review was conducted to identify recent technology based interventions for people living with HIV. The review yielded 12 studies that were grouped by the health behavior that it addressed and then the type of technology utilized. The majority of studies reviewed focused on medication adherence and used several different technologies to deliver the intervention including SMS/text messaging, cell phones and computers. This review identified several gaps in the literature particularly the lack of technology-based interventions focusing on engagement and retention to care as well as sexual risk reduction. Suggestions for future research based on these findings are provided.
BackgroundMaternal physical and mental health during pregnancy are key determinants of birth outcomes. There are relatively few prospective data that integrate physical and mental maternal health measures with birth outcomes in low- and middle-income country settings. We aimed to investigate maternal health during pregnancy and the impact on birth outcomes in an African birth cohort study, the Drakenstein Child Health Study.MethodsPregnant women attending 2 public health clinics, Mbekweni (serving a predominantly black African population) and TC Newman (predominantly mixed ancestry) in a poor peri-urban area of South Africa were enrolled in their second trimester and followed through childbirth. All births occurred at a single public hospital. Maternal sociodemographic, physical and psychosocial characteristics were comprehensively assessed. Multivariable linear regression models were used to explore associations between maternal health and birth outcomes.ResultsOver 3 years, 1137 women (median age 25.8 years; 21% HIV-infected) gave birth to 1143 live babies. Most pregnancies were uncomplicated but gestational diabetes (1%), anaemia (22%) or pre-eclampsia (2%) occurred in a minority. Most households (87%) had a monthly income of less than USD 350; only 27% of moms were employed and food insecurity was common (37%). Most babies (80%) were born by vaginal delivery at full term; 17% were preterm, predominantly late preterm. Only 74 (7%) of babies required hospitalisation immediately after birth and only 2 babies were HIV-infected. Food insecurity, socioeconomic status, pregnancy-associated hypertension, pre-eclampsia, gestational diabetes and mixed ancestry were associated with lower infant gestational age while maternal BMI at enrolment was associated with higher infant gestational age. Primigravida or alcohol use during pregnancy were negatively associated with infant birth weight and head circumference. Maternal BMI at enrolment was positively associated with birth weight and gestational diabetes was positively associated with birth weight and head circumference for gestational age. Smoking during pregnancy was associated with lower infant birth weight.ConclusionSeveral modifiable risk factors including food insecurity, smoking, and alcohol consumption during pregnancy were identified as associated with negative birth outcomes, all of which are amenable to public health interventions. Interventions to address key exposures influencing birth outcomes are needed to improve maternal and child health in low-middle income country settings.
Couple-based interventions are efficacious in reducing unprotected sex within the context of romantic relationships. Future research should continue to improve risk reduction for couples.
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