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Information Constraints and Preventive Behavior amongst COVID-19 Risk Groups in Khyber Pakhtunkhwa, Pakistan
Last registered on September 01, 2020

Pre-Trial

Trial Information
General Information
Title
Information Constraints and Preventive Behavior amongst COVID-19 Risk Groups in Khyber Pakhtunkhwa, Pakistan
RCT ID
AEARCTR-0006307
Initial registration date
August 18, 2020
Last updated
September 01, 2020 7:40 PM EDT
Location(s)

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Primary Investigator
Affiliation
Leibniz University of Hannover
Other Primary Investigator(s)
PI Affiliation
The University of Edinburgh
PI Affiliation
Khyber Medical University
PI Affiliation
Georg-August-Universität Göttingen
PI Affiliation
Georg-August-Universität Göttingen
PI Affiliation
Friedrich–Alexander University Erlangen–Nürnberg
Additional Trial Information
Status
In development
Start date
2020-08-20
End date
2020-11-30
Secondary IDs
Abstract
As the COVID-19 pandemic progresses, strict lockdown measures are eased and individual preventive behavior might decrease. At the same time, neither effective treatment nor vaccination are available, so that it remains crucial to shield in particular the population groups that are at higher risk to experience a complicated disease course from an infection. Such individual preventive behavior is particularly relevant in resource-constrained settings, where access to adequate healthcare services is limited, such as in our study location in Pakistan. To motivate the adoption of such measures, the government of Pakistan has issued detailed recommendations for preventive actions for its population and spread this message through various channels. Data from our telephone survey with low-income households shows though that gaps in knowledge and practice prevail. We are therefore evaluating whether a more targeted and personalized information campaign of the local public health service (Social Health Protection Initiative) can contribute to narrowing this gap, especially for the at-risk population.
The expected outcome of this trial is twofold: first, we test whether the SMS-based information campaign can increase the knowledge and adoption of recommended actions in both the general and the at-risk population. Beyond the effectiveness in both groups, we test whether light personalization based on the risk group increases this effect. Secondly, through the combination of the interview and health insurance enrollment as well as claims data, we plan to demonstrate the scale-up potential of such an intervention. This will on the one hand shed light on a low-cost complement in the control of a pandemic and showcase the possibility to use administrative data to effectively target the most vulnerable when resources are limited.
External Link(s)
Registration Citation
Citation
Khan, Sheraz et al. 2020. "Information Constraints and Preventive Behavior amongst COVID-19 Risk Groups in Khyber Pakhtunkhwa, Pakistan." AEA RCT Registry. September 01. https://doi.org/10.1257/rct.6307-1.1.
Experimental Details
Interventions
Intervention(s)
The intervention consists of six text messages informing the recipients of the risk groups for a complicated COVID-19 disease course as well as preventive measures against a COVID-19 infection.
Intervention Start Date
2020-08-20
Intervention End Date
2020-09-20
Primary Outcomes
Primary Outcomes (end points)
Uptake of preventive practices
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Knowledge of risk groups, knowledge of preventive practices
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
Study participants are sampled from the list of 1.5 million households in the Pakistani province Khyber Pakhtunkhwa who are enrolled in the free public health insurance. A randomly selected subset was already part of our telephone survey on attitudes, practice and knowledge regarding COVID-19 between April and July 2020, so that we know that around 70% of households have at least one member who is at increased risk for a complicated COVID-19 infection based on age and preconditions. This subset forms the basis of the intervention sample: Within the risk group, 2/3 are allocated to the treatment group, of which half receives the same generic messages as the non-risk group and for the other half the information on the risk groups is personalized to the condition(s) that apply to their household. Similarly, two thirds of the non-risk group receive the intervention, while the remainign third serves as the control group and receives no messages. To reach the desired sample size, an additional sample is drawn from the household list, of which two thirds are randomly allocated to the treatment and one third to the control group. Outcomes will be measured one week after completion of the intervention through a telephone survey and over the course of 2 months through calls to a telemedicine helpline.
Experimental Design Details
Not available
Randomization Method
Randomization done in office by a computer
Randomization Unit
Household
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
NA
Sample size: planned number of observations
Intervention sample: 21500; Interview target: 2500
Sample size (or number of clusters) by treatment arms
Interviewed sample: 418 personalized messages, 418 generic messages and 418 control in risk group; 343 generic messages, 172 control in non-risk group
Additional sample (exact distribution across risk groups and personalization will only be known after the post-intervention interviews): 13,333 treatment; 6,667 control
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Research Ethics Committee, Khyber Medical University
IRB Approval Date
2020-06-29
IRB Approval Number
Dir/KMU-EB/IT/000784
IRB Name
Ethics committee of the University of Göttingen
IRB Approval Date
2020-08-03
IRB Approval Number
N/A
Analysis Plan

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