Predictors of COVID-19 vaccine uptake among adults in South Africa: multimethod evidence from a population-based longitudinal study

Maughan-Brown, Brendan; Eyal, Katherine; Njozela, Lindokuhle; Buttenheim, Alison M.

doi:10.1136/bmjgh-2023-012433

Cited by 4 publications

(1 citation statement)

References 46 publications

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“…Among the COVID-19 vaccine associated factors, confidence in vaccine safety and efficacy was associated with better acceptance. Numerous studies have shown that vaccine acceptance was associated with confidence in safety and effectiveness [ 9 , 33 , 34 ]. Concern about vaccine safety remains a ubiquitous barrier, compound by the concern about safety on the developing fetus as found by a previous survey [ 17 ].…”

Section: Discussionmentioning

confidence: 99%

Factors Affecting COVID-19 Vaccine Acceptance among Pregnant Women: A Cross Sectional Study from Abha City, Saudi Arabia

Habbash,

Siddiqui

2023

Vaccines

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Background: Pregnant women can get infected with COVID-19 with serious sequelae to them and their fetus. Concerns about COVID-19 vaccination safety to mothers and babies, and doubts about its effectiveness, have hindered vaccine acceptance throughout the COVID-19 crisis. The objective of the current investigation was to estimate COVID-19 acceptance rates among pregnant women in Abha city, Aseer region, Saudi Arabia, and determine its clinical and demographic correlates. Method: Descriptive questionnaire-based cross-sectional survey of a sample of pregnant women attending regular antenatal care services in Abha. We used backward stepwise multiple logistic regression analysis to evaluate the predictability of vaccine acceptance in terms of baseline clinical and demographic factors. Results: The survey included 572 pregnant women. The prevalence of acceptance of COVID-19 vaccine was high (93.7%; 95%CI: 91.7–95.7%). University graduates and women with a later gestational age were more likely to accept vaccination (OR = 6.120, p = 0.009), (t = 2.163, p = 0.036), respectively. Confidence in vaccine safety was associated with better acceptance (OR = 3.431, p = 0.001). Conclusions: The acceptance rate for vaccination among pregnant women in Abha, Saudi Arabia, is higher compared to international rate. However, our results indicate that confidence in vaccine safety was associated with better acceptance. Hence, vaccine safety was the overarching predictor for harboring positive attitudes towards it. Public health policies should capitalize on such positive attitudes and aim for total coverage of pregnant women with COVID-19 vaccination including booster dosages.

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Section: Discussionmentioning

confidence: 99%

Factors Affecting COVID-19 Vaccine Acceptance among Pregnant Women: A Cross Sectional Study from Abha City, Saudi Arabia

Habbash,

Siddiqui

2023

Vaccines

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Evaluation of Four Interventions Using Behavioral Economics Insights to Increase Demand for Voluntary Medical Male Circumcision in South Africa Through the MoyaApp: A Quasi-Experimental Study

Mistri,

Tomescu,

Bokolo

et al. 2024

JAIDS Journal of Acquired Immune Deficiency Syndromes

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Background: While voluntary medical male circumcision (VMMC) reduces the risk of HIV transmission by 60%, circumcision coverage falls short of the UNAIDS 90% VMMC target. We investigated whether behaviourally informed message framing increased demand for VMMC. Setting: Adult users of the MoyaApp, a data free application in South Africa, who viewed a form designed to generate interest in VMMC during August-November 2022. Methods: A quasi-experimental study was conducted to evaluate four MoyaApp VMMC intervention forms against the Standard of Care (SOC) form. All forms enabled users to provide contact details for follow-up engagement by a call centre. The primary outcome was the proportion of forms submitted. Secondary outcomes included successful contact with the user, VMMC bookings/referrals and confirmed circumcision. Multivariable ordinary least-squares regression was used for the analysis. Results: Of 118,337 MoyaApp VMMC form viewers, 6% submitted a form. Foot-in-the-Door form viewers were more likely (+1.3 percentage points, p<0.01) to submit a form compared to the SOC group (6.3%). Active Choice (-1.1 percentage points, p<0.01) and Reserved for You (-0.05 percentage points, p<0.05) form viewers were less likely to submit a form compared to SOC. Users submitting on Foot-in-the-Door were less likely to be booked/referred compared to SOC (-5 percentage points, p<0.05). There were no differences between the intervention and SOC forms for successful contact and circumcisions. Conclusions: Message framing using behavioural insights was able to nudge men to engage with VMMC services. However, more work is needed to understand how to convert initial interest into bookings and circumcisions.

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Evaluation of four interventions using behavioural economics insights to increase demand for voluntary medical male circumcision in South Africa through the MoyaApp: A quasi-experimental study

Mistri,

Tomescu,

Bokolo

et al. 2024

Preprint

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Background Voluntary medical male circumcision (VMMC) reduces the risk of HIV transmission by 60%, however, circumcision coverage falls short of the UNAIDS 90% target. We investigated whether behaviourally informed message framing increased demand for VMMC. Setting We included adult users of a data free application in South Africa, the MoyaApp, who viewed a form designed to generate interest in VMMC during August-November 2022. Methods A quasi-experimental study was conducted to evaluate four MoyaApp VMMC intervention forms against the Standard of Care (SOC) form. The primary outcome was the proportion of form submissions in which users provided their contact details for further engagement. Secondary outcomes included successful contact with the user, VMMC bookings/referrals and confirmed circumcision. Chi-squared tests and ordinary least-squares regressions were used for the analysis. Results MoyaApp VMMC form viewers totalled 118,337 of which 6% submitted a form. Foot -in-the-Door form viewers were more likely (+1.3 percentage points, p<0.01) to submit a form compared to the SOC group (6.3%). Active Choice (-1.1 percentage points, p<0.01) and Reserved for You (-0.05 percentage points, p<0.05) form viewers were less likely to submit a form compared to SOC. Users submitting on Foot-in-the-Door were less likely to be booked/referred compared to SOC (-5 percentage points, p<0.05). There were no differences between the intervention and SOC forms for successful contact and circumcisions. Conclusions Message framing using behavioural insights was able to nudge men to engage with VMMC services, however, more work is needed to understand how to convert initial interest into bookings and circumcisions.

show abstract

Predictors of COVID-19 vaccine uptake among adults in South Africa: multimethod evidence from a population-based longitudinal study

Cited by 4 publications

References 46 publications

Factors Affecting COVID-19 Vaccine Acceptance among Pregnant Women: A Cross Sectional Study from Abha City, Saudi Arabia

Factors Affecting COVID-19 Vaccine Acceptance among Pregnant Women: A Cross Sectional Study from Abha City, Saudi Arabia

Evaluation of Four Interventions Using Behavioral Economics Insights to Increase Demand for Voluntary Medical Male Circumcision in South Africa Through the MoyaApp: A Quasi-Experimental Study

Evaluation of four interventions using behavioural economics insights to increase demand for voluntary medical male circumcision in South Africa through the MoyaApp: A quasi-experimental study

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