Latent Change Score Research Articles

Examining compulsive exercise as a risk factor for eating disorder symptoms in first-year college students using a latent change score modeling approach.

Research suggests that both compulsive exercise and eating disordered behaviors increase during college. Despite strong cross-sectional associations between compulsive exercise and eating disorders, it is unknown if compulsive exercise is a variable risk factor for eating disorders or simply a correlate. It was hypothesized that increases in compulsive exercise would significantly and prospectively predict increases in overall number of eating disorder symptoms over the study period. A total of 265 first year college students who did not meet criteria for a full or subthreshold eating disorder diagnosis at Time 1 (age M = 18.15; SD = 0.42; 122 female [46%] at Time 1) completed reports of compulsive exercise and eating disorder symptoms via online questionnaires at four timepoints over the 9-month 2021-2022 academic year (76% retention rate). Hypotheses were tested using a bivariate latent change score model. Hypotheses were not supported. Change in compulsive exercise did not predict change in number of eating disorder symptoms. Change in number of eating disorder symptoms also did not predict change in compulsive exercise. Compulsive exercise did not emerge as a variable risk factor for the development of eating disorder symptoms among first year college students. The relationship between these behaviors should be investigated at different developmental timepoints, such as early adolescence, and potential third variables that may explain the observed co-occurrence should be explored. This study investigated whether increases in compulsive exercise predicted increases in number of eating disorder symptoms among first year college students. Compulsive exercise did not significantly predict number of eating disorder symptoms. Additional research is warranted to clarify the relationship between compulsive exercise and eating disorder symptoms.

Pathways to resilience: The parallel change in children's emotional difficulties and family context during the COVID-19 lockdown in Italy.

The study analyses which pathways to adjustment emerged at the family level during the COVID-19 containment period in Italy, during which children were locked down with their families for 56 days from March 11 to May 6. Using a longitudinal design, with data pre- and postevent, a bivariate latent change score model analyzed the covariance of the change in family well-being (FW) and in emotional difficulties (ED), testing if the longitudinal change in ED is a function of the starting level of FW, and vice-versa. Children's stress reactions to the pandemic and other related experiences were included as additional predictors. A total of 166 middle school students (86 females) with a mean age of 11.14 (SD = .47) completed two online questionnaires, in January 2020 (T0) and in June 2020 (T1). Results showed that children's ED decreased significantly, on average, during the lockdown period, and FW remained constant. ED and FW change scores had a significant and negative covariation (β = - .46; p = .01). When family well-being increased emotional difficulties decreased, and vice versa. FW at T0 predicted no change in FW, nor did T0 scores of ED predict any change in FW. The strong intercorrelated change between children's ED and FW during the lockdown does not seem influenced by preexisting levels of individual and family functioning. Findings supported the view that for some families, the COVID-19 lockdown was also an opportunity to experience deeper emotional connections, contributing to a decrease in ED. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

Job boredom as an antecedent of four states of mental health: life satisfaction, positive functioning, anxiety, and depression symptoms among young employees – a latent change score approach

BackgroundJob boredom has been generally associated with poorer self-rated health but the evidence is mainly cross-sectional and there is a lack of a holistic mental health approach. We examined the temporal relationships between job boredom and mental health indicators of life satisfaction, positive functioning, anxiety, and depression symptoms.MethodsWe analyzed a two-wave postal survey data of adults aged 23 to 34 that was collected from the Finnish working population between 2021 and 2022 (n = 513). Latent change score modelling was used to estimate the effects of prior levels of job boredom on subsequent changes in mental health indicators, and of prior levels of mental health indicators on subsequent changes in job boredom.ResultsJob boredom was associated with subsequent decreases in life satisfaction and positive functioning and increases in anxiety and depression symptoms. Of these associations, job boredom was more strongly associated with changes in positive functioning and anxiety symptoms than with changes in life satisfaction.ConclusionsOur two-wave study suggests that job boredom, a motivational state of ill-being in the work domain, spills over into general mental health by decreasing life satisfaction and positive functioning and increasing anxiety and depression symptoms. Our findings contribute to the understanding of the potential detrimental effects of job boredom and its nomological network. From a practical perspective, workplaces are adviced to improve working conditions that mitigate job boredom and thus promote employees’ mental health.

Short-term dynamics of loneliness and depressive symptoms: Gender differences in older adults

BackgroundPrevious research examining the relationship between loneliness and depressive symptoms often treated these constructs as static traits rather than dynamic states. The current study focused on the short-term, prospective link between loneliness and depressive symptoms, while also analyzing potential gender differences. MethodsWe modeled panel data from seven bi-weekly assessments gathered in the FRequent health Assessment In Later life (FRAIL70+) study. At baseline, the sample size amounted to N = 426 community-dwelling older adults aged 70 years or older in Austria. The relationship between loneliness and depressive symptoms was analyzed using a latent change score modeling framework. ResultsAs regards depressive symptoms, women showed higher initial levels and more change across the three months than men. Loneliness did not considerably change across time for both sexes. Moreover, greater levels of loneliness at a given point in time were associated with an accelerated increase in depressive symptoms two weeks later in women but not in men. ConclusionLoneliness appeared to be a potential determinant of future increases in depressive symptoms. The varying effects observed between men and women suggest potential gender differences in short-term fluctuations of depressive symptoms and their underlying mechanisms.

The protective effects of Swedish COVID-19 pandemic strategies on adolescents' mental health: a longitudinal cohort study.

The aim of this study was to investigate a cohort of Swedish eighth graders' mental health and experiences during the COVID-19 pandemic. Participants were 157 eighth graders recruited in junior high schools during 2020 who completed a depression questionnaire and a survey about their psychosocial health in relation to the COVID-19 pandemic, alongside a follow-up assessment in 2021. Analyses were conducted using latent change score and cross-lagged models. Participants' depressive symptoms did not substantially increase during the COVID-19 pandemic. The level of depressive symptoms in 2020 was significantly associated with participants' perceptions of the pandemic in 2020 and spring 2021. Participants with higher depression scores reported worse experiences of the pandemic. The stable level of depressive symptoms among this cohort of eighth graders suggested that keeping schools open during a nationwide lockdown could mitigate some mental health consequences. Adolescents in this study with higher self-assessed depressive symptoms were more likely to experience increased depression after 6 months and had worse experiences during the pandemic than others. This suggests that the pandemic may not immediately affect mental well-being, but those at risk may be affected over time.

Abstract P217: Directionality of Associations Between Daily Physical Activity and Cognition Among Older Adults in the Baltimore Longitudinal Study of Aging

Physical activity is a modifiable risk factor for dementia. Associations between physical activity and cognition are likely bidirectional, as cognitive functions are required to initiate and perform activities. Understanding the directionality of these associations has potential implications for both dementia prevention and physical activity engagement. Yet, the directionality between cognitive function and free-living physical activity patterns is unclear. This study included 237 cognitively unimpaired older adults in the BLSA with cognitive test performance and ≥ 3 valid days of wrist accelerometry measured at 2 visits over an average of 1.8 (0.9-4.0) years. Cognitive domain factor scores were derived using confirmatory factor analysis. Accelerometry data were used to calculate daily physical activity patterns: 1) total activity counts (TAC), 2) time spent active, 3) time spent non-active, 4) active-to-sedentary-transition probability (ASTP), 5) mean active bout length, 6) sedentary-to-active transition probability (SATP), 7) mean non-active bout length. Bivariate latent change score models estimated directionality of associations between changes in cognitive factor scores and changes in daily physical activity patterns. Models were adjusted for age, sex, race, education, and number of comorbidities. Participants were on average 77 (60-96) years, 48% women, and 22% Black. After covariate adjustment, one SD higher in baseline TAC was associated with less memory decline (estimate = 0.089, SE = 0.045). One SD higher in baseline time spent non-active was associated with greater declines in language (estimate = -0.068, SE = 0.035), visuospatial processing (estimate = -0.079 SE = 0.034), and global cognition (estimate = -0.058, SE = 0.024). One SD higher in baseline ASTP was associated with greater declines in memory (estimate = -0.114, SE = 0.047) and visuospatial processing (estimate = -0.074, SE = 0.034), whereas mean active bout length was associated with less decline in these domains (memory: estimate = 0.121, SE = 0.046; visuospatial processing: estimate = 0.081, SE = 0.033). There were no associations with time spent active, SATP, or mean non-active bout length and changes in any cognitive factor score. Cognitive factor scores were not associated with changes in any activity pattern. Patterns relating to amount of daily activity, time spent sedentary, and probability of transitioning from active-to-sedentary states were primarily associated with changes in memory and visuospatial processing. This suggests increasing free-living movement or decreasing sedentary behavior might be related to short-term changes in cognition among older adults. Future studies are needed to determine causality of these associations and to evaluate directionality over longer periods of time.

Bidirectional relationships between emotion understanding and executive functions in young children: A latent change score modeling study

An overarching framework in the field of developmental psychology highlights the close linkage of cognition with emotion; however, the extent to which this framework supports the relationship between executive functions and emotion understanding in young children remains unclear. Hence, we employ a longitudinal tracking study to investigate the bidirectional relationship between emotion understanding and executive functions. A total of 112 children (M = 48.01 months, 68 boys) were recruited to perform tests at three time points within 2 years. Results from our cross-lagged model analysis indicated that early executive functions significantly predicted the development of emotion understanding at Time 2 and Time 3, while emotion understanding at Time 2 significantly predicted the subsequent development of executive functions in Time 3, controlling for age, gender, and family socioeconomic status (SES). Moreover, the latent change score model analysis further revealed the developmental trends and interrelations of executive functions and emotion understanding over time. Specifically, children with higher initial level of executive functions exhibited faster growth in emotion understanding over time, and then this improved emotion understanding predicted the changes in later executive functions. Overall, these findings elucidate significant developmental progressions for how emotion understanding and executive functions interact with each other during early childhood.

What to think or how to think – is symptom reduction in posttraumatic symptomatology associated with change in posttraumatic cognitions or perseverative thinking? A latent change score model approach

Objective Patients with posttraumatic stress disorder (PTSD) report changes in what they think of the world and themselves, referred to as posttraumatic cognitions, and changes in how they think, reflected in increased perseverative thinking. We investigated whether pre–post therapy changes in the two aspects of thinking were associated with pre–post therapy changes in posttraumatic symptom severity. Method 219 d clinic patients with posttraumatic stress symptoms received trauma-focused psychotherapy with cognitive behavioral and metacognitive elements. The posttraumatic cognitions inventory (PTCI), the perseverative thinking questionnaire (PTQ), and the Davidson trauma scale (DTS) were applied at two occasions, pre- and post-therapy. Using latent change score models, we investigated whether change in PTCI and change in PTQ were associated with change in DTS and its subscales. We then compared the predictive value of PTQ and PTCI in joint models. Results When jointly modeled, change in overall DTS score was associated with change in both PTCI and PTQ. Concerning DTS subscales, reexperiencing and avoidance were significantly associated with change in PTCI, but not in PTQ. Conclusion Results indicate that both aspects of cognition may be valuable targets of psychotherapy. A focus on posttraumatic cognitions might be called for in patients with severe reexperiencing and avoidance.

Between victory and peace: Unravelling the paradox of hope in intractable conflicts.

Previous research on group-based hope has predominantly focused on positive intergroup outcomes, such as peace and harmony. In this paper, we demonstrate that hope experienced towards group-centric political outcomes, such as a victory in a conflict and defeating the enemy, can be detrimental to peace. In Study 1, conducted among Israeli Jews, hope for victory over the Palestinians was uniquely associated with more support for extreme war policies, whereas hope for peace generally showed the opposite associations. In Study 2, we replicated these results among Muslim Pakistanis regarding the Pakistan-India dispute. Notably, in both Studies 1 and 2, only hope for victory significantly predicted personal violent extremist intentions. In Study 3, conducted with a representative sample of Israeli Jews, we found three latent profiles of hope: victory hopers, peace hopers, and dual hopers (hoping for both peace and victory). Finally, in preregistered Study 4, we longitudinally investigated how hopes for victory and peace changed from a relatively calm period in 2021 to the Israel-Hamas War of 2023, utilizing a Bivariate Latent Change Score analysis. Increases in hope for victory during the highly intense war explained the increase in support for violence. We discuss implications, limitations, and directions for future research.

Adolescent Mental Health Before and During COVID-19: Longitudinal Evidence From the 2004 Pelotas Birth Cohort in Brazil

PurposeThere is great interest in examining the consequences of the COVID-19 pandemic on adolescent mental health, but most studies were conducted in high-income countries. The identification of overall effects and protective factors is essential to understand the determinants of mental wellbeing in contexts of stress. We aimed to study changes in adolescent mental health during the pandemic and the risk and protective factors associated with these changes in a Brazilian birth cohort. MethodsOne thousand nine hundred forty nine adolescents from the 2004 Pelotas Birth Cohort were assessed prepandemic (T1, November 2019 to March 2020, mean age 15.69 years) and mid-pandemic (T2, August to December 2021, mean age 17.41 years). Mental health was assessed using the Strengths and Difficulties Questionnaire. Prepandemic and pandemic-related predictors were examined as predictors of change in multivariate latent change scores models. ResultsThere was a mean increase in adolescent total mental health difficulties (M = 1.071, p < .001), hyperactivity/inattention (M = 0.208, p < .001), emotion symptoms (M = 0.409, p < .001), and peer problems (M = 0.434, p < .001) during the pandemic. This increase was associated with several negative family context variables, including harsh parenting and maternal depressive symptoms at T2. Higher emotion regulation levels protected against increases in adolescent mental health difficulties related to the COVID-19 pandemic. DiscussionFamily-context variables emerged as important risk factors for the deterioration of adolescent mental health during the COVID-19 pandemic. Interventions promoting emotion regulation strategies are a promising approach to protecting adolescent wellbeing in periods of stress.

The dynamic interplay of job characteristics and psychological capital with employee health: A longitudinal analysis of reciprocal effects.

The dynamic development of employee health is increasingly addressed by occupational health scholarships. Based on the job demands-resources theory, this study examines reciprocal relationships among job resources, job demands, psychological capital (PsyCap), work engagement, and burnout over time. We hypothesize that PsyCap, job resources, and work engagement are part of a reciprocal gain cycle that is based on static levels and changes in these variables. Further, we assume that PsyCap has multiplicative buffering and boosting relationships with job demands and burnout. We test our hypotheses using latent change score modeling with data from 661 employees surveyed over 3 consecutive months. The results reveal a complex reciprocal cycle between PsyCap, work engagement, and job resources. However, PsyCap does not interact with the reciprocal relationship between job demands and burnout, as it is directly reciprocally related to burnout and certain types of job demands. Against the background of these results, our study contributes to research and practice on the role of personal resources, specifically PsyCap, by identifying individual differences in change patterns and highlighting the importance of considering individual differences and temporal aspects in the context of occupational health. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

Impact of children's age on parental HIV disclosure: a parental HIV disclosure intervention among parents living with HIV in China

ABSTRACT Parental HIV disclosure, where parents living with HIV (PLH) communicate their diagnosis to their children, is crucial for family communication. This study assessed intervention effects of a parental HIV disclosure intervention on psychosocial factors, focusing on child's age impact. Data from a randomized controlled trial involving 791 PLH in China were analyzed at baseline (W1), 6-month (W2), and 12-month follow-ups (W3). The study measured effects on psychosocial factors (HIV disclosure knowledge, outcome expectancy, action self-efficacy, and action planning) using the proportional latent change score method. Among PLH with children aged 6–9, the intervention yielded significant intervention effects on knowledge (β = 0.190, p = .004), action self-efficacy (β = 0.342, p = .001), and action planning (β = 0.389, p < .001) from W1 to W2. For PLH with children aged 10-12, the intervention significantly enhanced action self-efficacy (β = 0.162, p = .003) and action planning (β = 0.367, p = .001) from W1 to W2, but there was a reduction in perceived benefits (β = −0.175, p = 0.024) from W2 to W3. For PLH with children aged 13–15, significant intervention effects were observed on action planning, both from W1 to W2 (β = 0.251, p = .045) and from W2 to W3 (β = 0.321, p < .001). These findings highlight the importance of tailoring interventions to consider psychosocial factors and children's developmental stages to enhance HIV disclosure practices.

The home environment during the COVID-19 pandemic and changes in learning enjoyment and learning effort: A study of German lower secondary school students

This study investigated changes in learning enjoyment and learning effort, two central yet under-researched aspects of school-related emotion and motivation, before and during the COVID-19 pandemic. It also verified whether selected aspects of the home environment predicted changes in the two aspects. To this end, we used data gathered from 4240 German lower secondary school students surveyed before (Grade 7, 2018/19) and during the COVID-19 pandemic (Grade 8, 2019/20 and Grade 9, 2020/21). The analyses, which involved latent change score models with covariates, revealed a decrease in student learning enjoyment and learning effort between Grades 7 and 9. Moreover, the student-perceived consequences of the pandemic predicted a decrease in both of these constructs, whereas parental ability to provide learning support during distance learning predicted a decrease in learning enjoyment. The strength of this relationship depended on prior student academic achievement. The results highlight the role of environmental factors for the development of learning enjoyment and learning effort.

Dynamic Relationship between Commuting Time and Job Satisfaction: A Bivariate Latent Change Score Approach

Daily commuting and its impact on job satisfaction have been the focus of numerous studies. Limited research, however, has explored the bidirectional relationship between the two factors, and most studies have relied on cross-sectional designs. This study addresses this research gap by using four waves of panel data from the China Family Panel Studies to examine the dynamic and reciprocal relationship between commuting time and job satisfaction. A bivariate latent change score model is employed to analyze the data. Our findings reveal a bidirectional association between commuting time and job satisfaction. Individuals with high job satisfaction tend to maintain their commute time, whereas those with shorter commutes experience faster growth in job satisfaction. Increases in commute time positively affect employment income but have a negative impact on job satisfaction, suggesting that financial benefits might not fully compensate for the full cost of commuting on work. Moreover, changes in commute time do not significantly influence working hours, indicating that commuting primarily affects work–life balance rather than the actual hours worked. This study provides valuable insights into the complex dynamics of commuting and job satisfaction, informing evidence-based policy decisions for managing commuting and improving employee satisfaction.

Human immunodeficiency virus prevention outcomes associated with arts-based sexual health workshop participation among Northern and Indigenous adolescents in the Northwest Territories, Canada.

Contextually tailored, arts-based HIV prevention strategies hold potential to advance adolescent sexual health and wellbeing. We examined HIV prevention outcomes associated with arts-based sexual health workshop participation with Northern and Indigenous adolescents in the Northwest Territories (NWT), Canada. An Indigenous community-based youth agency delivered arts-based workshops in school settings to adolescents aged 13-18 in 24 NWT communities. Pre and post-test surveys included socio-demographic characteristics, sexually infections (STI) knowledge, HIV/STI risk perception, sexual relationship equity, condom use self-efficacy, and safer sex efficacy (SSE). Latent change score models were conducted to assess pre-post differences and factors associated with these differences. Among participants (n = 344; mean age 14.3 years, SD: 1.3; Indigenous: 79%) most (66%) had previously attended this workshop. Latent change score models revealed a significant and large effect size for increased STI knowledge (β = 2.10, SE = 0.48, p < .001) and significant and small effect sizes for increased HIV/STI risk perception (β = 0.24, SE = 0.06, p < .001) and SSE (β = 0.16, SE = 0.07, p = .02). The largest increases across several outcomes occurred with first time workshop participants; yet previous workshop participants continued to report increases in HIV/STI risk perception and SSE. Arts-based HIV prevention approaches show promise in advancing STI knowledge, risk perception, and SSE with Northern and Indigenous youth.

The longitudinal relationship between socioemotional difficulties and irritability in ADHD

BackgroundDespite higher rates of irritability and socioemotional symptoms in ADHD, consensus is lacking regarding their developmental relationship and whether it differs by ADHD status. This longitudinal study sought to evaluate how peer and emotional difficulties relate to irritability in ADHD and control groups. MethodsA community sample of 336 participants (45 % ADHD) were recruited for the Children's Attention Project. Participants completed the Affective Reactivity Index and the Strengths and Difficulties Questionnaire's emotional and peer difficulties scales at baseline (mean age 10.5 years) and 18-month follow-up. Latent Change Score models assessed how emotional and peer difficulties related to irritability at baseline and longitudinally. ResultsFor both groups, more severe baseline difficulties were associated with higher concurrent irritability, and reductions in emotional and peer difficulties were associated with declining irritability. Baseline emotional difficulties predicted change in irritability for the ADHD group, while baseline peer difficulties predicted change in irritability for both groups. Baseline irritability did not predict change in emotional or peer difficulties for either. The ADHD group showed elevated irritability, emotional, and peer difficulties, and stronger baseline correlation between peer difficulties and irritability. LimitationsOnly two timepoints were captured, and associations with ADHD symptom severity and presentation were not investigated. Doing so may facilitate additional insights. ConclusionsChange in irritability corresponded to change in socioemotional difficulties, and was driven by earlier levels of socioemotional difficulties. ADHD exacerbated aspects of the relationship between socioemotional difficulties and irritability. Socioemotional difficulties drive irritability, so may represent targets for clinical interventions.

Social Isolation, Physical Activity, and Subsequent Changes in Cognition Among Middle- and Older-Aged Adults: Results From the Canadian Longitudinal Study on Aging.

The objectives of this study were to a) evaluate associations between social isolation and change in cognition over a 3-year period, and b) evaluate whether physical activity mediates the association between social isolation and cognition change. Using baseline and follow-up 1 data from the Canadian Longitudinal Study on Aging, latent change score models, incorporating direct and indirect pathways, were constructed to estimate the indirect effect of social isolation on cognitive change through physical activity. Multigroup models were constructed based on age group (45-65 versus 65+ years) and sex to allow for varying estimates across age and sex. The final analytic sample included 51,338 participants. Indirect effects of social isolation on cognition through physical activity were evident in men and women 65+ years old for memory change ( = -0.005 [99.9% confidence interval = -0.007 to -0.002], p < .001 in both groups) and in male adults 65+ years old for executive function change ( = -0.01 [99.9% confidence interval = -0.02 to -0.006], p < .001). Statistically significant indirect effects were not observed for adults between 45 and 65 years old. Social isolation is associated with diminished physical activity, and in turn, diminished physical activity is associated with decline in memory in older women and men, with larger declines in executive function in older men. Public health initiatives to promote physical activity-perhaps incorporating social interaction-among older adults experiencing social isolation could be one way to mitigate the negative impact of social isolation on cognitive health.

Parent-Child Relationship, Well-Being and Home-Leaving during the Transition from High School to University

This prospective study examined changes in parent–child relationship quality and well-being during the transition to university. We also investigated whether living situation (i.e., moving out of the parental home) and motivation to leave home were related to these changes. The participants were 240 Turkish university students (65.4% female; Mage = 17.74 (0.53) at Time 1) participating in two measurement waves from 2017 to 2019. Results of Latent Change Score Models revealed that both autonomy support of fathers and perceived stress decreased over time, while other parent–child relationship qualities and life satisfaction remain relatively stable on average. First-year university students who left home showed less decline in stress than those still living at home. We did not find living situation and motivation to leave home to moderate changes in parent–child relationship quality and well-being. Furthermore, we found bidirectional associations mainly between parent–child relationship quality and life satisfaction and between conflict with mother and stress. These findings underline the importance of considering the changes in parent–child relationship quality and well-being in the transition to university in a family-oriented culture.

On the Interplay of Motivational Characteristics and Academic Achievement: The Role of Need for Cognition

While intelligence and motivational variables are well-established predictors of academic achievement, Need for Cognition (NFC), the stable intrinsic motivation to engage in and enjoy challenging intellectual activity, has not yet been considered comprehensively in this field, especially not longitudinally. By applying latent change score modeling, we examined the incremental value of NFC, considering well-established motivational constructs and prior achievement in the prediction of academic achievement across different subjects in a longitudinal approach across two time points in a sample of secondary school students ([Formula: see text] = 271, [Formula: see text] = 255). Correlations of NFC with grades were comparable to those of established predictors. NFC incrementally predicted academic achievement over and above prior achievement and ability self-concept. A mutual influence of NFC and academic achievement was found pointing to skill development as well as self-enhancement processes taking place in this interplay. Consequently, we propose to include NFC in models for the comprehensive explanation of academic achievement in school.

Changes of adolescent sleep patterns during the COVID-19 pandemic.

The COVID-19 pandemic has raised numerous concerns regarding its effects on individuals' health and lifestyle. We aim to analyze potential changes in adolescent sleep patterns from before and during the pandemic and identify specific predictors of changes. A subgroup of adolescents from a population-based birth cohort from Pelotas, Brazil, was assessed pre-pandemic (T1, November-2019 to March-2020) and peri-pandemic (T2, August-2021 to December-2021) in in-person interviews (n = 1,949). Sleep parameters, including sleep duration and latency time on workdays and free days, as well as social jetlag (SJL), were assessed using the Munich ChronoType Questionnaire (MCTQ). Socio-demographic, pre-pandemic, and pandemic-related predictors were analyzed. Changes in sleep parameters from T1 to T2 were estimated by multivariate latent change score modeling. The latent change factor shows a significant mean increase in workday sleep duration (M = 0.334, p < 0.001), workday sleep latency (M = 0.029, p = 0.002), and free day sleep latency (M = 0.021, p = 0.034), and a decreased in SJL (M = -0.758, p < 0.001) during the pandemic. Female adolescents presented higher increases in workday sleep duration. Adolescents who adopted a stricter social distancing level during the pandemic presented greater increases in workday sleep duration and smaller reductions in SJL. Self-evaluated insomnia during the pandemic predicted lower increases in workday and free day sleep duration and higher increases in workday and free day sleep latency. The COVID-19 outbreak brought certain advantages regarding increased sleep duration and reduced SJL. However, the observed increase in sleep latency and the influence of self-reported insomnia could be related to psychological distress inherent to the pandemic.