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. 2020 Oct 9;15(10):e0239400. doi: 10.1371/journal.pone.0239400

Table 1. Hypothesized barriers faced by low-income, Latinx COVID-19 positive individuals and description of intervention components to address potential barriers.

COM-B Domain Barriers Targeted Description of intervention components
Psychologic capability (Knowledge and decision processes) • Lack of knowledge about:
• COVID-19 symptoms and illness progression.
• How COVID-19 spreads.
• How to keep family/household members safe.
• How/where household members can get tested.
• T2C Providers and CHWs provide:
• Information on COVID-19 specific symptoms and what to monitor for.
• Information on how to prevent spread of COVID-19 including appropriate use of PPE, hygiene and cleaning procedures, and isolation procedures.
• Linkage to care about where to go for evaluation if worsening of symptoms.
• Instruction about where household members can go to get tested for COVID-19.
Physical opportunity (Environmental context and resources) • Lack of health insurance and/or linkage to primary health care.
• Lack of access to food, PPE and cleaning supplies during isolation and quarantine.
• Lack of financial security.
• Lack of language concordant services and resources.
• T2C Providers provide:
• Information and support to enroll in insurance and establish primary healthcare services.
• T2C CHWs provide:
• Home-based deliveries of essential goods (food, masks, cleaning supplies).
• Food vouchers at end of isolation period.
• T2C Providers and CHWs are bilingual and all information and materials are provided in Spanish in a culturally relevant manner.
Social opportunity (Social influences) • Lack of social support and loneliness during isolation and quarantine. • T2C Providers and CHWs are bilingual and all information and materials are provided in Spanish in a culturally relevant manner.
• T2C CHWs provide ongoing social support throughout the isolation period.
Automatic motivation (Emotion and reinforcement) • Fear and/or anxiety of disclosing contacts and/or having household members undergo testing.
• Fear and/or anxiety attending health facility for immediate or future healthcare.
• Stigma associated with being COVID-19 positive.
• T2C Providers and CHWs:
• Emphasize confidential, pleasant, and non-judgmental experience.
• Provide support for health-related decisions.
• T2C CHWs:
• Act as a credible source for information.
• Make discrete home deliveries using unmarked cars.

Barriers are categorized according to the Capability, Opportunity, and Motivation Model, which is a validated behavior change framework [33, 34].