Background Social distancing and stay-at-home orders are critical interventions to slow down person-to-person transmission of COVID-19. While these societal changes help contain the pandemic, they also have unintended negative consequences, including anxiety and depression. We developed StayWell, a daily skills-based SMS text messaging program, to mitigate COVID-19–related depression and anxiety symptoms among people who speak English and Spanish in the United States. Objective This paper describes the changes in StayWell participants’ anxiety and depression levels after 60 days of exposure to skills-based SMS text messages. Methods We used self-administered, empirically supported web-based questionnaires to assess the demographic and clinical characteristics of StayWell participants. Anxiety and depression were measured using the 2-item Generalized Anxiety Disorder (GAD-2) scale and the 8-item Patient Health Questionnaire-8 (PHQ-8) scale at baseline and 60-day timepoints. We used 2-tailed paired t tests to detect changes in PHQ-8 and GAD-2 scores from baseline to follow-up measured 60 days later. Results The analytic sample includes 193 participants who completed both the baseline and 60-day exit questionnaires. At the 60-day time point, there were significant reductions in both PHQ-8 and GAD-2 scores from baseline. We found an average reduction of –1.72 (95% CI –2.35 to –1.09) in PHQ-8 scores and –0.48 (95% CI –0.71 to –0.25) in GAD-2 scores. These improvements translated to an 18.5% and 17.2% reduction in mean PHQ-8 and GAD-2 scores, respectively. Conclusions StayWell is an accessible, low-intensity population-level mental health intervention. Participation in StayWell focused on COVID-19 mental health coping skills and was related to improved depression and anxiety symptoms. In addition to improvements in outcomes, we found high levels of engagement during the 60-day intervention period. Text messaging interventions could serve as an important public health tool for disseminating strategies to manage mental health. Trial Registration ClinicalTrials.gov NCT04473599; https://clinicaltrials.gov/ct2/show/NCT04473599 International Registered Report Identifier (IRRID) RR2-10.2196/23592

Latino day laborers in the United States are socially and economically vulnerable due to exclusionary immigration policies. Using data from a multi-mode survey, we examine the relationship between immigration policy legal vulnerability and mental health outcomes among 138 Latino, male day laborers (mean age = 45.65, SD = 12.05). Multivariable linear and logistic regression models separately estimated the effect of legal vulnerability, as measured by the Perceived Immigration Policy Effects Scale, on anxiety and depression symptoms and a positive depression and anxiety screening, respectively. Approximately 26.1% and 27.9% of day laborers reported depression and anxiety symptoms, respectively. In each adjusted model, we find a positive relationship between legal vulnerability and adverse mental health. Immigration policy legal vulnerability is associated with more depression and anxiety symptoms among Latino day laborers. Policies to reduce legal vulnerability, such as pathways to citizenship and employment authorization, may support Latino day laborers' mental health outcomes.

Background SMS text messaging interventions are increasingly being used to help people manage mental health symptoms due to the COVID-19 pandemic. Despite the widespread adoption of SMS text messaging interventions, little is known about racial and ethnic differences in effectiveness, feasibility, and implementation factors. Objective A hybrid type 1 mixed-methods study was conducted to compare the effectiveness and implementation of the StayWell intervention for Latinx and non-Latinx White (White) adults using elements of the RE-AIM framework. Methods Adults using the StayWell intervention received daily mood inquiries and skills–based text messages for 60 days and reported symptoms via online surveys and the HealthySMS portal. Reach was assessed by the share of adults reached via distinct recruitment methods, and effectiveness was evaluated using the Personal Health Questionnaire (PHQ-8) depression scale and General Anxiety Disorder (GAD-7) scale. Adoption was assessed with user engagement, defined as the share of responses to the (60) daily mood inquiries. Implementation was evaluated based on user feedback on the number/timing of messages, the difficulty of using the program, and the System Usability Scale. Maintenance was assessed with user reports of the likelihood of continuing and recommending the program. Quantitative RE-AIM indicators were assessed using a t test for continuous outcomes and a chi-square test for categorical outcomes. Mixed-effects linear regressions examined heterogeneity among Latinx and White users in the outcomes’ (ie, PHQ-8 and GAD-7) changes over time. A thematic text analysis of responses to an open-ended question about participant experiences of the program was conducted to help contextualize differences in the effectiveness and implementation of StayWell between Latinx and White users. Results Among 398 users, 262 (65.8%) responded to the postintervention assessment. Upon completion, depressive (–1.48; P=.001) and anxiety (–1.38; P=.001) symptoms decreased among all users. Compared to White adults, Latinx adults reported an additional –1.45 (P<.05) decline in PHQ-8 scores, adjusting for demographics, recruitment sample, and engagement. Among Latinx adults, StayWell resulted in a greater improvement of depression symptoms (25.8% vs 13.8% reduction; P=.02) but not in anxiety symptoms (21.2% vs 15.9% reduction; P=.23). Despite Latinx adults reporting lower usability (76.8 vs 83.9; P=.001) than White adults, they were more likely to report interest in continuing the program (7.5 vs 6.2; P=.001) and recommend StayWell to a family member or friend (7.8 vs 7.0; P=.013). Repetitive content was a critical barrier to engaging Latinx adults in StayWell; among Latinx adults, support groups and bidirectional messages were considered important program modifications. Conclusions Although anxiety and depressive symptoms decreased among all StayWell users after receiving 2 messages daily for 60 days, Latinx users experienced greater reductions in depression symptoms compared to White users. Bidirectional text messaging using contextual information and ecological momentary analysis of mood data are promising adaptations to enable the tailoring of messages and improved usability of StayWell, which may be especially effective in improving Latinx user engagement. Trial Registration ClinicalTrials.gov NCT04473599; https://clinicaltrials.gov/ct2/show/NCT04473599 Conflicts of Interest None declared.

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