By Dr Janni Leung

Journal articles

Chan G; Sun T; Lim C; Yuen WS; Stjepanović D; Rutherford B; Hall W; Johnson B; Leung J, 2022, 'An age-period-cohort analysis of trends in psychedelic and ecstasy use in the Australian population', Addictive Behaviors, 127, http://dx.doi.org/10.1016/j.addbeh.2021.107216

Sun T; Lim CCW; Rutherford BN; Johnson B; Leung J; Gartner C; Hall WD; Connor JP; Chan GCK, 2022, 'Is smoking reduction and cessation associated with increased e-cigarette use? Findings from a nationally representative sample of adult smokers in Australia', Addictive Behaviors, 127, http://dx.doi.org/10.1016/j.addbeh.2021.107217

Leung J; Chan GCK; Tan SX; McClure-Thomas C; Degenhardt L; Hall W, 2022, 'State-Level Prevalence and Associates of Opioid Dependence in the USA', International Journal of Environmental Research and Public Health, 19, http://dx.doi.org/10.3390/ijerph19073825

Rutherford BN; Sun T; Lim CCW; Chung J; Cheng B; Davidson L; Tisdale C; Leung J; Stjepanović D; Connor JP; Chan GCK, 2022, 'Changes in Viewer Engagement and Accessibility of Popular Vaping Videos on TikTok: A 12-Month Prospective Study', International Journal of Environmental Research and Public Health, 19, http://dx.doi.org/10.3390/ijerph19031141

Ferrari AJ; Santomauro DF; Herrera AMM; Shadid J; Ashbaugh C; Erskine HE; Charlson FJ; Degenhardt L; Scott JG; McGrath JJ; Allebeck P; Benjet C; Breitborde NJK; Brugha T; Dai X; Dandona L; Dandona R; Fischer F; Haagsma JA; Maria Haro J; Kieling C; Knudsen AKS; Kumar GA; Leung J; Majeed A; Mitchell PB; Moitra M; Mokdad AH; Molokhia M; Patten SB; Patton GC; Phillips MR; Soriano JB; Stein DJ; Stein MB; Szoeke CE; Naghavi M; Hay S; Murray CJL; Vos T; Whiteford HA, 2022, 'Global, regional, and national burden of 12 mental disorders in 204 countries and territories, 1990-2019: a systematic analysis for the Global Burden of Disease Study 2019', LANCET PSYCHIATRY, 9, pp. 137 - 150, http://dx.doi.org/10.1016/S2215-0366(21)00395-3

Thygesen H; Bonsaksen T; Schoultz M; Ruffolo M; Leung J; Price D; Geirdal AØ, 2022, 'Social Media Use and Its Associations With Mental Health 9 Months After the COVID-19 Outbreak: A Cross-National Study', Frontiers in Public Health, 9, http://dx.doi.org/10.3389/fpubh.2021.752004

Chiu V; Hall W; Chan G; Hides L; Leung J, 2022, 'A Systematic Review of Trends in US Attitudes toward Cannabis Legalization', Substance Use and Misuse, 57, pp. 1052 - 1061, http://dx.doi.org/10.1080/10826084.2022.2063893

Heikkinen J; Koivumaa-Honkanen H; Rauma P; Williams LJ; Quirk SE; Leung J; Honkanen RJ, 2022, 'Comorbidity of mental and musculoskeletal disorders in ageing women: A data linkage study using national registries', Maturitas, 155, pp. 63 - 69, http://dx.doi.org/10.1016/j.maturitas.2021.10.006

Lim CCW; Sun T; Leung J; Chung JYC; Gartner C; Connor J; Hall W; Chiu V; Stjepanović D; Chan GCK, 2022, 'Prevalence of Adolescent Cannabis Vaping: A Systematic Review and Meta-analysis of US and Canadian Studies', JAMA Pediatrics, 176, pp. 42 - 51, http://dx.doi.org/10.1001/jamapediatrics.2021.4102

Chan G; Huo Y; Kelly S; Leung J; Tisdale C; Gullo M, 2022, 'The impact of eSports and online video gaming on lifestyle behaviours in youth: A systematic review', Computers in Human Behavior, 126, http://dx.doi.org/10.1016/j.chb.2021.106974

Mekonen T; Ford S; Chan GCK; Hides L; Connor JP; Leung J, 2022, 'What is the short-term remission rate for people with untreated depression? A systematic review and meta-analysis', Journal of Affective Disorders, 296, pp. 17 - 25, http://dx.doi.org/10.1016/j.jad.2021.09.046

Chan G; Chiu V; Sun T; Connor JP; Hall WD; Leung J, 2021, 'Age-related trends in cannabis use in Australia. Findings from a series of large nationally representative surveys', Addictive Behaviors, 123, http://dx.doi.org/10.1016/j.addbeh.2021.107059

Carlyle M; Leung J; Walter ZC; Juckel J; Salom C; Quinn CA; Davidson L; Ellem R; Newland G; Hides L, 2021, 'Changes in Substance Use Among People Seeking Alcohol and Other Drug Treatment During the COVID-19 Pandemic: Evaluating Mental Health Outcomes and Resilience', Substance Abuse Research and Treatment, 15, http://dx.doi.org/10.1177/11782218211061746

Mekonen T; Chan GCK; Connor JP; Hides L; Leung J, 2021, 'Estimating the global treatment rates for depression: A systematic review and meta-analysis', Journal of Affective Disorders, 295, pp. 1234 - 1242, http://dx.doi.org/10.1016/j.jad.2021.09.038

Sun T; Lim CCW; Stjepanović D; Leung J; Connor JP; Gartner C; Hall WD; Chan GCK, 2021, 'Has increased youth e-cigarette use in the USA, between 2014 and 2020, changed conventional smoking behaviors, future intentions to smoke and perceived smoking harms?', Addictive Behaviors, 123, http://dx.doi.org/10.1016/j.addbeh.2021.107073

Sun T; Lim CCW; Gartner C; Connor JP; Hall WD; Leung J; Stjepanović D; Chan GCK, 2021, 'Reactions on Twitter towards Australia's proposed import restriction on nicotine vaping products: a thematic analysis', Australian and New Zealand Journal of Public Health, 45, pp. 543 - 545, http://dx.doi.org/10.1111/1753-6405.13143

Mahesh PKB; Leung J; Senananayake S; Kumarapeli V; Ferdinando R; Jayawickrama WIU; Lakmini WD; Perera C; Thasleem S; McLaughlin D, 2021, 'Effects of paternal alcoholism on the psycho-behavioural outcomes of the offspring: a systematic review and meta-analysis', Journal of the College of Community Physicians of Sri Lanka, 27, pp. 442 - 442, http://dx.doi.org/10.4038/jccpsl.v27i3.8398

Thygesen H; Bonsaksen T; Schoultz M; Ruffolo M; Leung J; Price D; Geirdal AØ, 2021, 'Use and self-perceived effects of social media before and after the COVID-19 outbreak: a cross-national study', Health and Technology, 11, pp. 1347 - 1357, http://dx.doi.org/10.1007/s12553-021-00595-x

Tisdale C; de Andrade D; Leung J; Chiu V; Hides L, 2021, 'Utilising data linkage to describe and explore mortality among a retrospective cohort of individuals admitted to residential substance use treatment', Drug and Alcohol Review, 40, pp. 1202 - 1206, http://dx.doi.org/10.1111/dar.13279

Price D; Bonsaksen T; Ruffolo M; Leung J; Thygesen H; Schoultz M; Geirdal AO, 2021, 'Willingness to take the COVID-19 vaccine as reported nine months after the pandemic outbreak: A cross-national study', Social Sciences, 10, http://dx.doi.org/10.3390/socsci10110442

Ward JL; Azzopardi PS; Francis KL; Santelli JS; Skirbekk V; Sawyer SM; Kassebaum NJ; Mokdad AH; Hay SI; Abd-Allah F; Abdoli A; Abdollahi M; Abedi A; Abolhassani H; Abreu LG; Abrigo MRM; Abu-Gharbieh E; Abushouk AI; Adebayo OM; Adekanmbi V; Adham D; Advani SM; Afshari K; Agrawal A; Ahmad T; Ahmadi K; Ahmed AE; Aji B; Akombi-Inyang B; Alahdab F; Al-Aly Z; Alam K; Alanezi FM; Alanzi TM; Alcalde-Rabanal JE; Alemu BW; Al-Hajj S; Alhassan RK; Ali S; Alicandro G; Alijanzadeh M; Aljunid SM; Almasi-Hashiani A; Almasri NA; Al-Mekhlafi HM; Alonso J; Al-Raddadi RM; Altirkawi KA; Alvis-Guzman N; Amare AT; Amini S; Aminorroaya A; Amit AML; Amugsi DA; Ancuceanu R; Anderlini D; Andrei CL; Androudi S; Ansari F; Ansari I; Antonio CAT; Anvari D; Anwer R; Appiah SCY; Arabloo J; Arab-Zozani M; Ärnlöv J; Asaad M; Asadi-Aliabadi M; Asadi-Pooya AA; Atout MMDW; Ausloos M; Avenyo EK; Avila-Burgos L; Quintanilla BPA; Ayano G; Aynalem YA; Azari S; Azene ZN; Bakhshaei MH; Bakkannavar SM; Banach M; Banik PC; Barboza MA; Barker-Collo SL; Bärnighausen TW; Basu S; Baune BT; Bayati M; Bedi N; Beghi E; Bekuma TT; Bell AW; Bell ML; Benjet C; Bensenor IM; Berhe AK; Berhe K; Berman AE; Bhagavathula AS; Godinho M; Boufous S; Biswas RK; Maulik PK; Sachdev P; Jha V; Pesudovs K; Peden A; Ivers R; Leung J; Iqbal U; Arnlov J, 2021, 'Global, regional, and national mortality among young people aged 10–24 years, 1950–2019: a systematic analysis for the Global Burden of Disease Study 2019', Lancet, 398, pp. 1593 - 1618, http://dx.doi.org/10.1016/S0140-6736(21)01546-4

Mekonen T; Chan GCK; Connor J; Hall W; Hides L; Leung J, 2021, 'Treatment rates for alcohol use disorders: a systematic review and meta-analysis', Addiction, 116, pp. 2617 - 2634, http://dx.doi.org/10.1111/add.15357

Lim MC; Leung J; Connor J; Hall W; Cheng B; Gartner C; Scheurer R; Chan G, 2021, '198Prevalence of illicit substances in personal vaporisers on online cryptomarkets', International Journal of Epidemiology, 50, http://dx.doi.org/10.1093/ije/dyab168.389

Lim CCW; Leung J; Chung JYC; Sun T; Gartner C; Connor J; Hall W; Chiu V; Tisdale C; Stjepanović D; Chan G, 2021, 'Content analysis of cannabis vaping videos on YouTube', Addiction, 116, pp. 2443 - 2453, http://dx.doi.org/10.1111/add.15424

Price D; Bonsaksen T; Ruffolo M; Leung J; Chiu V; Thygesen H; Schoultz M; Geirdal AO, 2021, 'Perceived trust in public authorities nine months after the covid-19 outbreak: A cross-national study', Social Sciences, 10, http://dx.doi.org/10.3390/socsci10090349

Chan GCK; Stjepanović D; Lim C; Sun T; Shanmuga Anandan A; Connor JP; Gartner C; Hall WD; Leung J, 2021, 'A systematic review of randomized controlled trials and network meta-analysis of e-cigarettes for smoking cessation', Addictive Behaviors, 119, http://dx.doi.org/10.1016/j.addbeh.2021.106912

Nielsen S; Gisev N; Leung J; Clare P; Bruno R; Lintzeris N; Larance B; Blyth F; Hall W; Cohen M; Degenhardt L; Farrell M; Campbell G, 2021, 'Clinical correlates and outcomes associated with pregabalin use among people prescribed opioids for chronic non-cancer pain: A five-year prospective cohort study', British Journal of Clinical Pharmacology, 87, pp. 3092 - 3104, http://dx.doi.org/10.1111/bcp.14715

Chiu V; Leung J; Hall W; Stjepanović D; Degenhardt L, 2021, 'Public health impacts to date of the legalisation of medical and recreational cannabis use in the USA', Neuropharmacology, 193, http://dx.doi.org/10.1016/j.neuropharm.2021.108610

Mekonen T; Leung J; Chan GCK; Hides L; Connor JP, 2021, 'Treatment trajectories for alcohol use disorder: Where is the gap?', Alcoholism Clinical and Experimental Research, 45, pp. 1560 - 1562, http://dx.doi.org/10.1111/acer.14660

Bonsaksen T; Leung J; Schoultz M; Thygesen H; Price D; Ruffolo M; Geirdal AØ, 2021, 'Cross-national study of worrying, loneliness, and mental health during the COVID-19 pandemic: A comparison between individuals with and without infection in the family', Healthcare Switzerland, 9, http://dx.doi.org/10.3390/healthcare9070903

Kendrick PJ; Reitsma MB; Abbasi-Kangevari M; Abdoli A; Abdollahi M; Abedi A; Abhilash ES; Aboyans V; Adebayo OM; Advani SM; Ahinkorah BO; Ahmad S; Ahmadi K; Ahmed H; Aji B; Akalu Y; Akunna CJ; Alahdab F; Al-Aly Z; Alanezi FM; Alanzi TM; Alhabib KF; Ali T; Alif SM; Alipour V; Aljunid SM; Alomari MA; Amin TT; Amini S; Amu H; Ancuceanu R; Anderson JA; Andrei CL; Andrei T; Ansari-Moghaddam A; Antony B; Anvari D; Arabloo J; Arian ND; Arora M; Artanti KD; Asmare WN; Atnafu DD; Ausloos M; Awan AT; Ayano G; Aynalem GL; Azari S; Darshan BB; Badiye AD; Baig AA; Banach M; Banerjee SK; Barker-Collo SL; Bärnighausen TW; Barqawi HJ; Basu S; Bayati M; Bazargan-Hejazi S; Bekuma TT; Bennett DA; Bensenor IM; Benzian H; Benziger CP; Berman AE; Bhagavathula AS; Bhala N; Bhardwaj N; Bhardwaj P; Bhattacharyya K; Bibi S; Bijani A; Biondi A; Braithwaite D; Brenner H; Brunoni AR; Burkart K; Nagaraja SB; Butt ZA; Dos Santos FLC; Car J; Carreras G; Castaldelli-Maia JM; Cattaruzza MSS; Chang JC; Chaturvedi P; Chen S; Chido-Amajuoyi OG; Chu DT; Chung SC; Ciobanu LG; Costa VM; Couto RAS; Dagnew B; Dai X; Damasceno AAM; Damiani G; Dandona L; Dandona R; Daneshpajouhnejad P, 2021, 'Spatial, temporal, and demographic patterns in prevalence of chewing tobacco use in 204 countries and territories, 1990-2019: A systematic analysis from the Global Burden of Disease Study 2019', Lancet Public Health, 6, pp. e482 - e499, http://dx.doi.org/10.1016/S2468-2667(21)00065-7

Reitsma MB; Kendrick PJ; Ababneh E; Abbafati C; Abbasi-Kangevari M; Abdoli A; Abedi A; Abhilash ES; Abila DB; Aboyans V; Abu-Rmeileh NM; Adebayo OM; Advani SM; Aghaali M; Ahinkorah BO; Ahmad S; Ahmadi K; Ahmed H; Aji B; Akunna CJ; Al-Aly Z; Alanzi TM; Alhabib KF; Ali L; Alif SM; Alipour V; Aljunid SM; Alla F; Allebeck P; Alvis-Guzman N; Amin TT; Amini S; Amu H; Amul GGH; Ancuceanu R; Anderson JA; Ansari-Moghaddam A; Antonio CAT; Antony B; Anvari D; Arabloo J; Arian ND; Arora M; Asaad M; Ausloos M; Awan AT; Ayano G; Aynalem GL; Azari S; B DB; Badiye AD; Baig AA; Bakhshaei MH; Banach M; Banik PC; Barker-Collo SL; Bärnighausen TW; Barqawi HJ; Basu S; Bayati M; Bazargan-Hejazi S; Behzadifar M; Bekuma TT; Bennett DA; Bensenor IM; Berfield KSS; Bhagavathula AS; Bhardwaj N; Bhardwaj P; Bhattacharyya K; Bibi S; Bijani A; Bintoro BS; Biondi A; Birara S; Braithwaite D; Brenner H; Brunoni AR; Burkart K; Butt ZA; Caetano dos Santos FL; Cámera LA; Car J; Cárdenas R; Carreras G; Carrero JJ; Castaldelli-Maia JM; Cattaruzza MSS; Chang JC; Chen S; Chu DT; Chung SC; Cirillo M; Costa VM; Couto RAS; Dadras O; Dai X; Damasceno AAM; Damiani G; Dandona L; Schutte A; Sundstorm J; Sitas F; Leung J, 2021, 'Spatial, temporal, and demographic patterns in prevalence of smoking tobacco use and attributable disease burden in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Disease Study 2019', The Lancet, 397, pp. 2337 - 2360, http://dx.doi.org/10.1016/S0140-6736(21)01169-7

Bonsaksen T; Thygesen H; Leung J; Ruffolo M; Schoultz M; Price D; Geirdal AØ, 2021, 'Video-based communication and its association with loneliness, mental health and quality of life among older people during the COVID-19 outbreak', International Journal of Environmental Research and Public Health, 18, http://dx.doi.org/10.3390/ijerph18126284

Ruffolo M; Price D; Schoultz M; Leung J; Bonsaksen T; Thygesen H; Geirdal AØ, 2021, 'Employment Uncertainty and Mental Health During the COVID-19 Pandemic Initial Social Distancing Implementation: a Cross-national Study', Global Social Welfare, 8, pp. 141 - 150, http://dx.doi.org/10.1007/s40609-020-00201-4

Schoultz M; Leung J; Bonsaksen T; Ruffolo M; Thygesen H; Price D; Geirdal AØ, 2021, 'Mental health, information and being connected: Qualitative experiences of social media use during the COVID-19 pandemic from a trans-national sample', Healthcare Switzerland, 9, http://dx.doi.org/10.3390/healthcare9060735

Østertun Geirdal AK; Price D; Schoultz M; Thygesen H; Ruffolo M; Leung J; Bonsaksen T, 2021, 'The significance of demographic variables on psychosocial health from the early stage and nine months after the covid-19 pandemic outbreak. A cross-national study', International Journal of Environmental Research and Public Health, 18, http://dx.doi.org/10.3390/ijerph18084345

Elphinston RA; Sterling M; Leung J; Gray PD; Scotti Requena S; Connor JP, 2021, 'Brief Psychological Interventions for Reducing Prescription Opioid Use, Related Harm, and Pain Intensity in Patients with Chronic Pain: A Systematic Review and Assessment of Patient Interest', Clinical Journal of Pain, 37, pp. 270 - 280, http://dx.doi.org/10.1097/AJP.0000000000000908

Chan GCK; Stjepanović D; Lim C; Sun T; Shanmuga Anandan A; Connor JP; Gartner C; Hall WD; Leung J, 2021, 'Gateway or common liability? A systematic review and meta-analysis of studies of adolescent e-cigarette use and future smoking initiation', Addiction, 116, pp. 743 - 756, http://dx.doi.org/10.1111/add.15246

Kelly S; Leung J, 2021, 'The New Frontier of Esports and Gaming: A Scoping Meta-Review of Health Impacts and Research Agenda', FRONTIERS IN SPORTS AND ACTIVE LIVING, 3, http://dx.doi.org/10.3389/fspor.2021.640362

Bonsaksen T; Schoultz M; Thygesen H; Ruffolo M; Price D; Leung J; Geirdal AØ, 2021, 'Loneliness and its associated factors nine months after the covid-19 outbreak: A cross-national study', International Journal of Environmental Research and Public Health, 18, pp. 1 - 1, http://dx.doi.org/10.3390/ijerph18062841

Leung J; Stjepanović D; Dawson D; Hall WD, 2021, 'Do Cannabis Users Reduce Their THC Dosages When Using More Potent Cannabis Products? A Review', Frontiers in Psychiatry, 12, http://dx.doi.org/10.3389/fpsyt.2021.630602

Leung J; Chung JYC; Tisdale C; Chiu V; Lim CCW; Chan G, 2021, 'Anxiety and panic buying behaviour during covid-19 pandemic-a qualitative analysis of toilet paper hoarding contents on twitter', International Journal of Environmental Research and Public Health, 18, pp. 1 - 16, http://dx.doi.org/10.3390/ijerph18031127

Leung J; Gouda H; Chung JYC; Irmansyah I, 2021, 'Comorbidity between depressive symptoms and chronic conditions – findings from the Indonesia Family Life Survey', Journal of Affective Disorders, 280, pp. 236 - 240, http://dx.doi.org/10.1016/j.jad.2020.11.007

Fan VS; Mahadevan R; Leung J, 2021, 'Effect of income inequality, community infrastructure and individual stressors on adult depression', Health Promotion International, 36, pp. 46 - 57, http://dx.doi.org/10.1093/heapro/daaa036

Bonsaksen T; Ruffolo M; Leung J; Price D; Thygesen H; Schoultz M; Geirdal AØ, 2021, 'Loneliness and Its Association With Social Media Use During the COVID-19 Outbreak', Social Media and Society, 7, http://dx.doi.org/10.1177/20563051211033821

van Woerden HC; Angus N; Kiparoglou V; Atherton I; Leung J, 2021, 'Long-term conditions in older people are linked with loneliness, but a sense of coherence buffers the adverse effects on quality of life: A cross-sectional study', Journal of Multidisciplinary Healthcare, 14, pp. 2467 - 2475, http://dx.doi.org/10.2147/JMDH.S317393

Geirdal AØ; Ruffolo M; Leung J; Thygesen H; Price D; Bonsaksen T; Schoultz M, 2021, 'Mental health, quality of life, wellbeing, loneliness and use of social media in a time of social distancing during the COVID-19 outbreak. A cross-country comparative study', Journal of Mental Health, 30, pp. 148 - 155, http://dx.doi.org/10.1080/09638237.2021.1875413

Hall W; Leung J; Lynskey M, 2020, 'The Effects of Cannabis Use on the Development of Adolescents and Young Adults', Annual Review of Developmental Psychology, 2, pp. 461 - 483, http://dx.doi.org/10.1146/annurev-devpsych-040320-084904

Lim CCW; Leung JKY; Connor JP; Hall WD; Gartner C; Cheng BHC; Scheurer RW; Sun T; Chan GCK, 2020, 'Availability of substances for use in personal vaporisers on three online cryptomarkets', Drug and Alcohol Dependence, 217, http://dx.doi.org/10.1016/j.drugalcdep.2020.108254

Eley DS; Bansal V; Leung J, 2020, 'Perfectionism as a mediator of psychological distress: Implications for addressing underlying vulnerabilities to the mental health of medical students', Medical Teacher, 42, pp. 1301 - 1307, http://dx.doi.org/10.1080/0142159X.2020.1805101

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