Sumudu Mallawaarachchi

Persuasive design-related motivators, ability factors and prompts in early childhood apps: A content analysis

Sumudu R Mallawaarachchi, Andria Tieppo, Merrilyn Hooley, Sharon Horwood

Journal article  |  2023  |  COMPUTERS IN HUMAN BEHAVIOR

Despite the increasing rates of early childhood smartphone and tablet use and the possible link to engagement-promoting persuasive..

"You're damned if you do, you're damned if you don't": a qualitative exploration of parent motives for provision of mobile screen devices in early childhood

Sumudu R Mallawaarachchi, Merrilyn Hooley, Wendy Sutherland-Smith, Sharon Horwood

Journal article  |  2022  |  BMC PUBLIC HEALTH

BACKGROUND: Exploring parental motives for providing smartphones and tablets to young children is important to better understand w..

Isolating the impact of antipsychotic medication on metabolic health: Secondary analysis of a randomized controlled trial of antipsychotic medication versus placebo in antipsychotic medication naive first-episode psychosis (the STAGES study)

Brian O'Donoghue, Kelly Allott, Susy Harrigan, Franco Scalzo, Janine Ward, Sumudu Mallawaarachchi, Sarah Whitson, Lara Baldwin, Jessica Graham, Edward Mullen, Craig MacNeil, Dylan Alexander, Stephen J Wood, Michael Berk, Mario Alvarez-Jimenez, Andrew Thompson, Alex Fornito, Hok Pan Yuen, Barnaby Nelson, Shona M Francey, et al.

Journal article  |  2022  |  EARLY INTERVENTION IN PSYCHIATRY

BACKGROUND: Cardiovascular and metabolic diseases are the leading contributors to the early mortality associated with psychotic di..

Associations of smartphone and tablet use in early childhood with psychosocial, cognitive and sleep factors: a systematic review and meta-analysis

Sumudu R Mallawaarachchi, Jeromy Anglim, Merrilyn Hooley, Sharon Horwood

Journal article  |  2022  |  EARLY CHILDHOOD RESEARCH QUARTERLY

The current study provides the first systematic review and meta-analysis of the associations of smartphone and tablet use with psy..

A comparison of experiences of care and expressed emotion among caregivers of young people with first-episode psychosis or borderline personality disorder features

Sue M Cotton, Jennifer K Betts, Dina Eleftheriadis, Kate Filia, Mirra Seigerman, Victoria K Rayner, Ben McKechnie, Carol Anne Hulbert, Louise McCutcheon, Martina Jovev, Sarah Bendall, Emma Burke, Catharine McNab, Sumudu Mallawaarachchi, Mario Alvarez-Jimenez, Andrew M Chanen, John FM Gleeson

Journal article  |  2021  |  AUSTRALIAN AND NEW ZEALAND JOURNAL OF PSYCHIATRY

OBJECTIVE: Caregivers of individuals with severe mental illness often experience significant negative experiences of care, which c..

Problematic smartphone use in a large nationally representative sample: Age, reporting biases, and technology concerns

Sharon Horwood, Jeromy Anglim, Sumudu R Mallawaarachchi

Journal article  |  2021  |  COMPUTERS IN HUMAN BEHAVIOR

This study utilized data from a nationally representative sample of Australian adults (n = 1164; 50.7% female; age M = 44.9 years,..

A pilot trial of moderated online social therapy for family and friends of young people with borderline personality disorder features

John Gleeson, Mario Alvarez-Jimenez, Jennifer K Betts, Louise McCutcheon, Martina Jovev, Reeva Lederman, Helen Herrman, Susan M Cotton, Sarah Bendall, Ben McKechnie, Emma Burke, Peter Koval, Jesse Smith, Simon D'Alfonso, Sumudu Mallawaarachchi, Andrew M Chanen

Journal article  |  2020  |  EARLY INTERVENTION IN PSYCHIATRY

AIM: We evaluated the acceptability, usability and safety of Kindred, a novel online intervention for carers of young people with ..

Cognitive functioning in ultra -high risk for psychosis individuals with and without depression: Secondary analysis of findings from the NEURAPRO randomized clinical trial

Sumudu Rasangi Mallawaarachchi, G Paul Amminger, John Farhall, Luke K Bolt, Barnaby Nelson, Hok Pan Yuen, Patrick D McGorry, Connie Markulev, Miriam R Schaefer, Nilufar Mossaheb, Monika Schloegelhofer, Stefan Smesny, Ian B Hickie, Gregor Emanuel Berger, Eric YH Chen, Lieuwe de Haan, Dorien H Nieman, Merete Nordentoft, Anita Riecher-Roessler, Swapna Verma, et al.

Journal article  |  2020  |  SCHIZOPHRENIA RESEARCH

Neurocognitive impairments are well established in both ultra-high risk (UHR) for psychosis and major depressive disorder (MDD). D..

Depressive psychopathology in first-episode schizophrenia spectrum disorders: a systematic review, meta-analysis and meta-regression

Sarah E Herniman, Kelly Allott, Lisa J Phillips, Stephen J Wood, Jacqueline Uren, Sumudu R Mallawaarachchi, Sue M Cotton

Journal article  |  2019  |  PSYCHOLOGICAL MEDICINE

BACKGROUND: Despite knowing for many decades that depressive psychopathology is common in first-episode schizophrenia spectrum dis..

Longitudinal Cognitive Performance in Individuals at Ultrahigh Risk for Psychosis: A 10-year Follow-up

Kelly Allott, Stephen J Wood, Hok Pan Yuen, Alison R Yung, Barnaby Nelson, Warrick J Brewer, Daniela Spiliotacopoulos, Annie Bruxner, Magenta Simmons, Christina Broussard, Sumudu Mallawaarachchi, Christos Pantelis, Patrick D McGorry, Ashleigh Lin

Conference Proceedings  |  2019  |  SCHIZOPHRENIA BULLETIN

It remains unclear whether the onset of psychosis is associated with deterioration in cognitive performance. The aim of this study..