Abstract
BackgroundHIV-infected persons are at increased risk of developing tuberculosis and Isoniazid preventive therapy has been shown to reduce the occurrence of tuberculosis among this group of persons. M-health technology has been reported to increase both knowledge and implementation of various health services including Isoniazid preventive therapy implementation. This study aimed to determine the effect of m-health on health worker knowledge and adherence to isoniazid preventive therapy (IPT) guidelines and on patient knowledge and adherence to isoniazid treatment.MethodsThis was a quasi-experimental study that was carried out in six health facilities in Ebonyi State, southeast Nigeria. Three health facilities were assigned to each arm (intervention and control arms) and all eligible health workers (total population of 45 and 41 in intervention and control arms respectively) were recruited. Data were also collected from 200 patients (100 per arm). The intervention consisted of mobile phone messages and reminders for health workers on the IPT guideline. Chi-square test was carried out at p < 0.05 and 95% confidence interval.ResultsAt baseline, 54.5% and 63.4% of health workers in intervention and control arms respectively had good knowledge which improved significantly to 90.2% in the intervention arm after the intervention (χ2 = 14.22, p < 0.0001). At baseline, 61.4% and 90.2% of health workers had good adherence to the guideline in intervention and control arms respectively which also improved in the intervention arm by 28.8% after intervention although not significant(χ2 = 0.37, p = 0.54). More than 50% of the patients in both study arms had poor knowledge, with the intervention arm having a significantly higher proportion of respondents (68.0%) with poor knowledge at baseline (χ2 = 4.71, p = 0.03). The proportion of patients with good knowledge however increased significantly (88.8%) in the intervention arm after intervention (χ2 = 25.65, p < 0.001). Patients had good adherence to IPT in intervention and control arms before (100% and 84.2% respectively) and after (96.6% and 100% respectively) the study. There was no significant difference in adherence among patients in both arms.ConclusionsHealth worker knowledge and practice of guidelines as well as patient knowledge improved in the intervention arm in this study. These findings suggest the consideration for the inclusion of mobile phone reminders in the guideline for tuberculosis prevention among HIV patients.
Highlights
Tuberculosis (TB), an opportunistic infection in Human immunodeficiency virus (HIV) disease is worsening in areas with a high prevalence of HIV [1]
Health worker knowledge and practice of guidelines as well as patient knowledge improved in the intervention arm in this study
These findings suggest the consideration for the inclusion of mobile phone reminders in the guideline for tuberculosis prevention among HIV patients
Summary
Tuberculosis (TB), an opportunistic infection in Human immunodeficiency virus (HIV) disease is worsening in areas with a high prevalence of HIV [1]. By the end of the first year of HIV infection, there is a doubling of the risk of active TB which worsens with a decrease in the CD4 lymphocyte [1]. People living with HIV/AIDS are about 20 to 37 times more likely to develop TB than those who are not HIV infected [2, 3]. HIV-infected persons are at increased risk of developing tuberculosis and Isoniazid preventive therapy has been shown to reduce the occurrence of tuberculosis among this group of persons. M-health technology has been reported to increase both knowledge and implementation of various health services including Isoniazid preven‐ tive therapy implementation. This study aimed to determine the effect of m-health on health worker knowledge and adherence to isoniazid preventive therapy (IPT) guidelines and on patient knowledge and adherence to isoniazid treatment
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