Last Updated: Dec 1st, 2022

Kim, C, Dusing, G, Nielsen, A, MacMaster, F, Rittenbach, K, Allin, S, O’Campo, P, Penney, T, Hamilton, H, Kirst, M, Chum, A [senior author]. (2022). Disparities in cannabis-related emergency department visits across depressed and non-depressed individuals and the impact of recreational cannabis policy in Ontario, Canada. Submitted to Acta Psychiatrica Scandinavia. [Under Review – Preprint]

Kim, C, Nielsen, A, Dusing, G, Allin, S, Penney, T, Rittenbach, K, MacMaster, F, O’Campo, P, Kirst, M, Hamilton, H, and Chum, A [senior author]. The impact of recreational cannabis legalization on cannabis-related acute care events among adults with schizophrenia. Submitted to Psychiatric Services. [Under Review – Preprint]

Nielsen, A, Azra, K, Kim, C, Dusing, G, Chum, A. (2022). Is the association between sexual minority status and suicide-related behaviours modified by rurality? A discrete-time survival analysis using longitudinal health administrative data. Submitted to Health & Place.  [Under Review – Preprint]

Chum, A, Kim, C, Nielsen, A, Dusing, G, O’Campo, P, Matheson, F, Barker, L, Vigod, S, Ling, V, Fung, K, Kennedy, H, Kennedy, S. (2022). Disparities in suicide-related behaviours across sexual orientations by gender: a retrospective cohort study using linked health administrative data. Submitted to American Journal of Psychiatry. [Under Review – Preprint]

Azra, K, Nielsen, A, Kim, C, Dusing, G, Chum, A. (2022). Suicide-related behaviours across sexual orientation and neighbourhood deprivation levels: a retrospective cohort study using linked health administrative data. Submitted to PLOS One. [Under Review – Preprint]

Kim C, Chum A, Nielsen A, Allin S, Penney TL, Rittenbach K, et al. (2022) Associations between recreational cannabis legalization and cannabis-related emergency department visits by age, gender, and geographic status in Ontario, Canada: An interrupted time series study. PLoS ONE 17(10): e0268718. 

Kim, C, Teo, C, Nielsen, A, & Chum, A. (2022). Macro-level gender equality and women’s depressive symptoms in South Korea: a longitudinal study. Social Psychiatry and Psychiatric Epidemiology. 

Kim, C, Chum, A, Nielsen, A, MacMaster, F, Rittenbach, K, Allin, S, O’Campo, P, Kirst, M, & Hamilton, H. (2022). Cannabis legalization and cannabis-related hospitalizations in Ontario, Canada. Canadian Journal of Psychiatry.

Kim, C, Teo, C, Nielsen, and Chum A. (2022). What are the mental health consequences of austerity measures in public housing? A quasi-experimental study. Journal of Epidemiology and Community Health.

Kim, C, Nielsen, Teo, C, and Chum A. (2022). Social movement and mental health of Korean women sexual violence survivors, 2012-2019. American Journal of Public Health.

Kim, C, Azra, K, Teo, C, Nielsen, A, Bellow, Z, Young, T, and Chum A. (2021). Do income security programs have a causal effect on suicide mortality? A protocol for a systematic review and meta-analysis. BMJ Open.

Chum, A, Kaur, S, Teo, C, Nielsen, A, Muntaner, C,  & P. O’Campo. (2021) The impact of changes in job security on mental health across gender and family responsibility: evidence from the UK Household Longitudinal Study. Social Psychiatry and Psychiatric Epidemiology.

Teo, C, Kim, C, Nielsen, A, Young, T, O’Campo, P, and Chum, A. (2021). Did the UK COVID-19 lockdown modify the influence of neighbourhood disorder on psychological distress? Evidence from a prospective cohort study. Frontiers in Psychiatry.

Teo, C, Metheny, N, & Chum, A. (2021). Family support modifies the effect of changes to same-sex marriage legislation on LGB mental health: evidence from a UK cohort study. European Journal of Public Health.

Chum A, Nielsen, A, Bellows, Z, Farrell, E, Durette, P, Banda, J, Cupchik, G. (2021) Changes in Public Response Associated With Various COVID-19 Restrictions in Ontario, Canada: Observational Infoveillance Study Using Social Media Time Series Data. Journal of Medical Internet Research.

Chum, A, Neilsen, A, & Teo, C (2021). Sleep problems among sexual minorities: a longitudinal study on the influence of the family of origin and chosen family. BMC Public Health.

Chum, A, Teo, C, & Azra, K. (2021). Does the impact of neighbourhood cohesion on mental health differ by ethnicity: a UK longitudinal study.  Social Psychiatry and Psychiatric Epidemiology.

Teo, C., & Chum, A. (2020). The effect of neighbourhood cohesion on mental health across sexual orientations: A longitudinal study. Social Science & Medicine, 113499.

Labetski, A and Chum, A. (2020) Built Environmental Correlates of Cycling Accidents Involving Fatalities and Serious Injuries in London, UK. Frontiers in Sustainable Cities.

Chum, A., Wang, R., Nisenbaum, R., O’Campo, P., Stergiopoulos, V., Hwang, H. (2020)The effect of a housing intervention on selected cardiovascular risk factors among homeless adults with mental illness: 24-month follow-up of a randomized controlled trial. Journal of the American Heart Association, 9,

Chum, A., Lachaud, J., Kaur, S., O’Campo, P., Fink, N. (2019). Challenges in conducting a population-based study investigating associations between neighbourhood social environment and individual mental health. Sage Research Methods.

Chum, A., O’Campo, P., Lachaud, J., Fink, N., Kirst, M., & Nisenbaum, R. (2019). Evaluating same-source bias in the association between neighbourhood characteristics and depression in a community sample from Toronto, Canada. Social Psychiatry and Psychiatric Epidemiology.

Gee, S., Chum, A., & Lim, B. (2019). Moving Metaphors: Shifting responsibility and evidentiary boundaries in (de)commissioning Pre-Exposure Prophylaxis for HIV. Qualitative Health Research.

Chum A, Atkinson P, O’Campo P, (2019). Does time spent in the residential neighbourhood moderate the relationship between neighbourhood walkability and transport-related walking? a cross-sectional study from Toronto, Canada. BMJ Open 2019; 9: e023598.

Chum, A. and O’Campo, P. (2016). In Chapter 7: Designing healthier, more sustainable cities. In WHO and UN Habitat Joint Global report on urban health: equitable, healthier cities for sustainable development. Geneva-Kobe, World Health Organization (WHO). Available at

Chum, A., Skosireva, A., Tobon, J., & Hwang, S. (2016). Construct Validity of the SF-12v2 for the Homeless Population with Mental Illness: An Instrument to Measure Self-Reported Mental and Physical Health. PloS one, 11(3), e0148856.

O’Campo, P., Stergiopoulos, V., Nir, P., Levy, M., Misir, V., Chum, A., & Hwang, S. W. (2016). How did a Housing First intervention improve health and social outcomes among homeless adults with mental illness in Toronto? Two-year outcomes from a randomised trial. BMJ open, 6(9), e010581.

Chum, A. (2015). “The impact of gentrification on residential evictions.” Urban Geography. 36(7): 1083-1098.
Chum, A
, O’Campo, P, & Matheson, F. (2015). The impact of urban land uses on sleep duration and sleep problems. The Canadian Geographer. 59 (4): 404-418.
Chum, A, & O’Campo, P. (2015). Cross-sectional associations between residential socio-environmental exposures and cardiovascular diseases. BMC Public Health. 14:438.
Chum, A. Farrell, E, Labetski, A, Vaivada, T, Bohnert, A, O’Campo P. (2015). The effect of food environments on fruit and vegetable intake as modified by time spent at home: a cross-sectional study. BMJ Open. 5:e006200.

Chum, A, Carpenter, C, Farrell, E, Mook, L, Handy, F, Schugurensky, D, Quarter, J. (2015). Does geographic context influence employability-motivated volunteering? The role of area-level material insecurity and urbanicity. The Canadian Geographer. 59(3), 354-368.
Mook, L., Farrell, E., Chum, A., Handy, F., Schugurensky, D., & Quarter, J. (2014). Individual and Organizational Factors in the Interchangeability of Paid Staff and Volunteers: Perspectives of Volunteers. Canadian journal of nonprofit and social economy research, 5(2).
Chum A, O’Campo P. (2013). Contextual determinants of cardiovascular diseases: overcoming the residential trap by accounting for non-residential context and duration of exposure. Health & Place. 24, 73-79.
Chum, A, Mook, L, Handy, F, Schugurensky, D, & Quarter, J. (2013). Degree and Direction of Paid Employee/Volunteer Interchange in Non-profit Organizations. Nonprofit Management & Leadership 23(4), 409-426.
Chum, A. (2011). Policy Implications of Neighbourhood Influences on Health Research: Towards an Alternative to Poverty Deconcentration. Health and Place. 17(5), 1098-1104.