The Reciprocal Effects of Language Proficiency and Depression among Low-Income Latinx Youth.

Extant research associates language with essential social and emotional processes. Although the risk for depression among Latinx youth in the United States is well documented, the link between their language proficiency and depressive symptoms remains poorly understood. Further, research employing standardized language assessments with Latinx early adolescents is scarce and reciprocal associations between language proficiency and depressive symptoms have not been examined. This longitudinal study addressed these gaps by investigating the relation between language proficiency and depression in a sample of 218 dual language Latinx students of predominantly low-income backgrounds (Mage = 12.1, SD = 1.1; 49.1% female) recruited from seven public schools in a large city in the Midwest of the United States. Language proficiency in English and Spanish was assessed using the Woodcock-Muñoz Language Survey-Revised and depressive symptoms were assessed using the Children's Depression Inventory. Paired samples t-tests showed lower than expected growth in English vocabulary and higher than expected growth in the ability to reason using lexical knowledge in Spanish over a one-year period. Cross-lagged panel analyses (χ2 (99) = 211.19, p < .001, CFI = .93, TLI = .92, RMSEA = .07 (90% CI [.06, .09])) indicated that growth in English language proficiency is predictive of decreased depressive symptoms. Likewise, increases in depressive symptoms are predictive of decreased English language proficiency. Results have important implications for the design of appropriate psychological interventions and sensible educational policies for students of linguistic minority backgrounds.

Diversity in randomized clinical trials of depression: A 36-year review.

Historically, authors reporting the results of randomized clinical trials (RCTs) to address mental health problems have insufficiently described sample characteristics pertaining to the ethnic/racial, linguistic, socioeconomic, and immigrant backgrounds of participants. RCTs have also had inadequate representation of participants from diverse backgrounds. This study reports on the trends in the reporting and representation of various sample demographic characteristics in RCTs of psychotherapy and other psychosocial interventions for depression over a 36-year period, and on the extent to which ethnicity, in particular, is considered in the analyses of treatment effects. A total of 342 trials (85.1% comprised of adult samples), representing 61,283 participants, are summarized in the review. Reporting for ethnicity and socioeconomic indicators improved over time, and RCTs for depression have also increasingly included significant numbers of ethnic minority and low-income groups. However, trials are far more likely to exclude, rather than include, linguistic minorities, and have not enrolled a meaningful number of Asian American, Native Hawaiian/Pacific Islander, Native American/Native Alaskan and multi-ethnic participants. Finally, treatment effects are almost never presented separately across racial/ethnic groups and ethnicity moderation analyses are only sporadically conducted. These findings have implications for generalizability, policy, journal reporting guidelines, and dissemination and implementation.