Influence of Health Information Literacy on Health-related Quality of Life of Tuberculosis Patients in Lagos State, Nigeria

Tuberculosis is a deadly disease that commonly has an adverse impact on patients' health-related quality of life across multiple health domains. Meanwhile, health information literacy may help to alleviate or reduce the negative impact while improving treatment outcomes. This study aimed to determine the influence of health information literacy on health-related quality of life of tuberculosis patients in Lagos State, Nigeria.

This study adopted the survey design. A sample size of 310 was obtained using Taro Yamane formula. Multistage sampling technique was used to select TB patients from twelve Directly Observed Treatment Centers across the three senatorial districts in the State. Data were collected using validated health literacy and health-related quality of life questionnaire. The data were analyzed using descriptive statistics, simple linear and multiple regression analysis.

The results revealed that the mean age of the respondents was 35.87 years ± 11.95. The results revealed that health information literacy (t(295) = 8.513, p < 0.05) had a positive and significant influence on health-related quality of life. The results also showed that the ability to identify specific information need (β = .171, p < 0.05) and use information (β = .154, p < 0.05) had a positive and significant effect on health-related quality of life of tuberculosis patients.

Based on the findings of the study, it was concluded that health information literacy influence health-related quality of life of tuberculosis patients.