Aleksandra Lewandowska

Dr. Aleksandra Lewandowska


Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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26 April 2025 in Nutrients
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PMPaulina Mularczyk-Tomczewska
Paulina Mularczyk-Tomczewska
ALAleksandra Lewandowska
Aleksandra Lewandowska
AKAgnieszka Kamińska
Agnieszka Kamińska
MGMałgorzata Gałecka
Małgorzata Gałecka
PAPaweł A. Atroszko
Paweł A. Atroszko
ASAndrzej Silczuk
Andrzej Silczuk
Background: From 1 January 2024, Poland legally banned the sale of energy drinks (EDs) containing caffeine and taurine to minors under 18. EDs are rich in stimulants, making them particularly popular among adolescents and young adults seeking energy boosts. Their consumption is associated with adverse health effects and engagement in risky behaviors. This descriptive snapshot study explores energy drink consumption, motivations, and risk perception among Polish adults. Methods: A cross-sectional, nationwide survey (N = 1121) was conducted over a three-day period using the computer-assisted web interviewing (CAWI) method. The sample was representative of the adult Polish population in terms of gender, age, and geographical location. Data collection occurred 14 months after the implementation of legal restrictions on ED sales to minors. Results: Among 1121 adults (54.3% female), 15.1% reported weekly ED consumption, 9.7% monthly, 13.3% less than monthly, and 62.0% never. Younger age (p < 0.05), male gender (aOR = 1.63 [1.25–2.13]; p < 0.001), and active occupational status (aOR = 1.63 [1.19–2.24]; p = 0.002) were significantly associated with ED use. Overall, 83.0% of respondents perceived EDs as harmful, and 87.2% supported the sales ban to minors, although only 45.6% considered the ban effective. Additionally, 31.8% had observed minors consuming EDs in the past 30 days. Sociodemographic characteristics were associated with risk perception and support for regulation: women (aOR = 1.50), individuals with higher education (aOR = 1.44), and those with good financial status (aOR = 2.35) were more likely to perceive EDs as harmful and endorse regulatory measures. Conclusions: Educational interventions should prioritize young adults, particularly males, who constitute the primary consumers. There is also a need to enhance enforcement mechanisms to limit minors’ access to energy drinks and curb their marketing and availability, thereby improving public health protection.

12 May 2023 in Journal of Psychiatric Research
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Katarzyna Nowakowska-DomagalaKatarzyna Nowakowska-Domagala
Katarzyna Nowakowska-Domagala
Małgorzata Juraś-DarownyMałgorzata Juraś-Darowny
Małgorzata Juraś-Darowny
MPMarlena Podlecka
Marlena Podlecka
ALAleksandra Lewandowska
Aleksandra Lewandowska
TPTadeusz Pietras
Tadeusz Pietras
Łukasz MokrosŁukasz Mokros
Łukasz Mokros
Although chronotype has been associated with suicidal behavior, current research suggest that this relationship may be mediated by other factors. The aim of this study was to assess whether chronotype, specifically morningness, may predict suicidal behavior and whether this relationship may be mediated by general mental health, depressive and anxiety symptoms, and/or social functioning among young adults. The study group comprised 306 students: 204 (65.8%) women, 101 (32.6%) men and one who chose not to identify with either option (0.3%). The participants completed The Composite Scale of Morningness, The General Health Questionnaire, 30-item version, Suicide Acceptance Questionnaire and The Suicidal Behaviors Questionnaire-Revised. Correlations between the continuous variables of interest revealed a weak, but significant, negative association between morning affect (CSM) and suicidal behavior (SBQ-R); a moderate positive association was found between suicidal behavior (SBQ-R) and depression/anxiety, and a weak one between suicidal behavior (SBQ-R) and interpersonal relations (GHQ-30). The models predicting suicidal behavior, and chronotype-related variables as predictors of suicidal behavior, were then tested. Although the morning affect predicted suicidal behavior, this effect became irrelevant when combined with mental health characteristics: psychopathological symptoms of depression and anxiety and the quality of interpersonal relations. Our findings imply that the role of chronotype is secondary to general mental health: mental disorder symptoms should be considered as the core risk factors for suicide and serve as the focus for suicide risk assessments.

Katarzyna Nowakowska-DomagalaKatarzyna Nowakowska-Domagala
Katarzyna Nowakowska-Domagala
MPMarlena Podlecka
Marlena Podlecka
PSPatryk Stecz
Patryk Stecz
ALAleksandra Lewandowska
Aleksandra Lewandowska
Kasper SipowiczKasper Sipowicz
Kasper Sipowicz
Łukasz MokrosŁukasz Mokros
Łukasz Mokros
Clinical and epidemiological studies have demonstrated a relationship between alcohol addiction and mood disorders. Alcohol-dependent patients with depression tend to demonstrate clinically more severe manic symptoms, which complicates the process of diagnosis and therapy. However, the predictors indicating the risk of mood disorders in addicted patients remain unclear. The aim of the study was to examine the relationship between personal dispositions, bipolar traits, depth of addiction, quality of sleep, and depressive symptoms in alcohol-dependent men. The study group comprised 70 men (age M = 46.06, SD = 11.29) diagnosed with alcohol addiction. The participants completed a battery of questionnaires: BDI, HCL-32, PSQI, EPQ-R and MAST. The results were tested using Pearson’s correlation quotient and general linear model. The findings indicate that some of the studied patients are likely to have mood disorders of clinically significant severity. High neuroticism and poor sleep quality are independent predictors of depressive symptoms in alcohol-dependent patients. Among the components of sleep quality, problems with falling asleep and waking up at night appear to be most strongly associated with depressive symptoms. The intensity of depressive symptoms may relate to the intensity of certain bipolar features, such as risk-taking activity and irritability. High neuroticism and poor sleep quality are independent predictors of depressive symptoms in the studied group.

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Katarzyna Nowakowska-DomagalaKatarzyna Nowakowska-Domagala
Katarzyna Nowakowska-Domagala
Małgorzata Juraś-DarownyMałgorzata Juraś-Darowny
Małgorzata Juraś-Darowny
JKJacek Koprowicz
Jacek Koprowicz
ALAleksandra Lewandowska
Aleksandra Lewandowska
TPTadeusz Pietras
Tadeusz Pietras
Łukasz MokrosŁukasz Mokros
Łukasz Mokros
Background: Chronotype reflects individual variations in daily activity and sleep patterns, influenced by underlying circadian rhythms. While chronotype is often reduced to the morningness–eveningness spectrum, recent evidence suggests more diverse circadian typologies. Chronotype is linked to mental health, frequently associated with psychiatric disorders such as depression and suicide. This study aims to examine differences among six chronotypes (as defined by Single-Item Chronotyping) in mental health outcomes, including depression, anxiety, interpersonal relations, general functioning, suicidal behavior, and suicide acceptance. Methods: The study sample consisted of 306 young adults. Chronotype was determined using the Polish version of Single-Item Chronotyping (SIC). Mental health was assessed with the 30-item General Health Questionnaire (GHQ-30), which evaluates three dimensions: depression and anxiety, interpersonal relations, and general functioning. The Suicide Behavior Questionnaire (SBQ-R) measured past and potential future suicidal tendencies, while the Suicide Acceptance Questionnaire (SAQ) assessed attitudes toward the act of suicide. Results: The “daytime sleepy” and “moderately active” chronotypes were identified as at higher risk for mental health issues. These types exhibited greater levels of depression and anxiety, more general dysfunction, and a higher risk of suicidal behavior. The “daytime sleepy” type also experienced more interpersonal relationship difficulties compared to the “daytime active” type. Conclusions: Recognizing the “daytime sleepy” and “moderately active” types as risk factors highlights the importance of considering chronotype in mental health assessments. The SIC provides a concise method for monitoring circadian rhythm changes during treatment, facilitating tailored interventions such as modifying treatment schedules or lifestyle adjustments in alignment with an individual’s circadian rhythm.

Verified
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ALAleksandra Lewandowska
Aleksandra Lewandowska
Mateusz JankowskiMateusz Jankowski
Mateusz Jankowski
Mariusz GujskiMariusz Gujski
Mariusz Gujski
ADAneta Duda-Zalewska
Aneta Duda-Zalewska
PJPiotr Jedrusik
Piotr Jedrusik
ASAndrzej Silczuk
Andrzej Silczuk
Background/Objectives: Globally, one in eight people live with a mental disorder, with depression being a leading cause of disability. This study aimed to identify sociodemographic factors associated with public belief and perception of mental disorders among adults in Poland. Methods: A cross-sectional study with a self-prepared questionnaire (5-point Likert scale) was administered to a nationally representative quota sample of 1114 Polish adults (March 2025). The computer-assisted web interview (CAWI) method was applied. Results: A cross-sectional survey of 1114 adults found that 23.2% had visited psychiatrists, 15.9% psychotherapists, and 21.1% reported a family history of mental disorders. Most respondents (73.8%) believed employers are reluctant to hire individuals with mental disorders, and 53.8% perceived discrimination. Additionally, 19.4% thought mental health patients receive lower-quality care than those with physical illnesses like diabetes. Respondents from large cities (≥500,000 residents, aOR: 1.67; 95%CI: 1.11–2.51; p = 0.01), with higher education (aOR: 1.62; 95%CI: 1.26–2.07; p < 0.001), or a family history of mental disorders (p < 0.05) were more likely to hold this view. Higher education (aOR: 1.47; 95%CI: 1.11–1.94; p = 0.01), good economic status (aOR: 1.60; 1.06–2.40; p = 0.02), and personal psychiatric experience (aOR: 1.89; 95%CI: 1.24–2.87; p = 0.003) increased belief in treatment effectiveness. Males (aOR: 1.88; 95%CI: 1.36–2.61; p < 0.001) and medium-city residents (aOR: 1.82; 95%CI: 1.01–3.27; p = 0.04) more often perceived mental disorders as a sign of weakness, while women (aOR: 1.74; 95%CI: 1.36–2.22; p < 0.001) and those with affected relatives (p < 0.05) more frequently reported discrimination. Older respondents (p < 0.05), those with higher education (aOR: 1.65), and individuals with a family history of mental disorders (p < 0.05) were more likely to state that employers fear hiring people with psychiatric conditions. Conclusions: These findings underscore the need for public health interventions to reduce stigma, improve awareness, and address misconceptions about mental disorders in Poland.

23 June 2025 in Healthcare
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ALAleksandra Lewandowska
Aleksandra Lewandowska
Mateusz JankowskiMateusz Jankowski
Mateusz Jankowski
Mariusz GujskiMariusz Gujski
Mariusz Gujski
AAAgata Paulina Andrzejczyk
Agata Paulina Andrzejczyk
JTJustyna Teliga-Czajkowska
Justyna Teliga-Czajkowska
ASAndrzej Silczuk
Andrzej Silczuk
Background: Mental health issues among youth are a growing public health concern. Schools play a vital role in the early detection and prevention of mental health issues, with principals being central to the implementation of mental health initiatives. This study assessed the attitudes, preparedness, and practices of school principals regarding mental health promotion and prevention among school-aged children. Methods: A cross-sectional survey using computer-assisted web interviewing (CAWI) was conducted between March and April 2025. A 19-item questionnaire was sent to all 1564 primary and secondary school principals in the Lodz region. Data from 605 respondents (response rate: 38.7%) were analyzed. Results: A total of 94.9% of the principals reported an increase in student mental health problems over the past five years. Over one-quarter of school principals (26.3%) declared a very good or rather good level of preparation for teachers to work with students diagnosed with a mental disorder. Moreover, 42.3% declared a very good or rather good level of preparation of teachers for conversations with parents about mental health problems observed in their children. Mental health education was conducted in 94.7% of schools, and teacher training in 73.2% of schools. Secondary schools more often offered such training (81.9% vs. 70.7%; p = 0.01) and reported stronger support from specialist teachers (79.7% vs. 67.7%; p = 0.01) than primary schools did. Rural schools rated teacher-parent communication more positively (47.0% vs. 37.7%; p = 0.02) despite fewer training initiatives (68.7% vs. 77.7%; p = 0.01). Suicide response procedures were implemented in 78.5% of schools. Conclusions: The findings confirm a marked rise in student mental health needs and reveal structural disparities in providing school-based support. Enhancing school leadership, expanding teacher training, and ensuring systemic support may facilitate mental health promotion interventions in schools.