Recent publications

  • 2018
  • Richardson RA, Harper S,Schmitz N, Nandi A. The effect of affordable daycare on women's mental health: Evidence from a cluster randomized trial in rural India. Soc Sci Med. 2018 Nov;217:32-41.  Epub 2018 Oct 1.

  • Deschênes SS, Graham E, Kivimäki M, Schmitz N. Adverse Childhood Experiences and the Risk of Diabetes: Examining the Roles of Depressive Symptoms and Cardiometabolic Dysregulations in the Whitehall II Cohort Study. Diabetes Care. 2018 Oct;41(10):2120-2126

  • Elgendy R, Deschênes SS, Burns RJ, Levy M, Schmitz N. Alcohol consumption, depressive symptoms, and the incidence of diabetes-related complications. J Diabetes. 2018 Jul 10. doi: 10.1111/1753-0407.12822. [Epub ahead of print]

  • Deschênes SS, Burns RJ, Schmitz N. Comorbid depressive and anxiety symptoms and the risk of type 2 diabetes: Findings from the Lifelines Cohort Study. J Affect Disord. 2018 May 22;238:24-31. doi: 10.1016/j.jad.2018.05.029. [Epub ahead of print]

  • Burns RJ, Deschênes SS, Schmitz N. Associations between Depressive Symptoms and Indices of Obesity in Adults with Prediabetes and Normal Blood Glucose Levels: Results From the Emotional Health and Wellbeing Study. Canadian Journal of Diabetes. 2018 DOI: https://doi.org/10.1016/j.jcjd.2018.05.005 [Epub ahead of print]

  • Schmitz N, Deschênes SS, Burns RJ, Danna SM, Franco OH, Ikram A, Kivimäki M, Singh-Manoux A, Tiemeier H. Cardiometabolic dysregulation and cognitive decline: potential role of depressive symptoms. British Journal of Psychiatry. 2018; 212(2): 96-102

  • Smith KJ, Deschênes SS, Schmitz N Investigating the longitudinal association between diabetes and anxiety: a systematic review and meta-analysis. Diabetic Medicine. 2018; 35(6):677-693

  • Lutgens D, Joober R, Iyer S, Lepage M, Norman R, Schmitz N, Mustafa S, Abadi S, Malla A Progress of negative symptoms over the initial 5 years of a first episode of psychosis. Psychological Medicine 2018 Mar 14:1-9. doi: 10.1017/S003329171800048X. [Epub ahead of print]

  • Konsztowicz S, Schmitz N, Lepage M. Dimensions of insight in schizophrenia: Exploratory factor analysis of items from multiple self- and interviewer-rated measures of insight. Schizophr Res. 2018 Mar 10. pii: S0920-9964(18)30135-X. doi: 10.1016/j.schres.2018.02.055. [Epub ahead of print]

  • Elgendy R, Deschênes SS, Burns RJ, Graham E, Schmitz N. Do mental disorders moderate the association between diabetes status and alcohol consumption? Psychology, Health & Medicine. 2018; 23(3):277-284.

  • Smith KJ, Ollis L, Au B, Schmitz N. The association between C-reactive protein, Interleukin-6 and depression among older adults in the community: a systematic review and meta-analysis. Experimental Gerontology. 2018; 102:109-132

  • Deschênes SS, Burns RJ, Schmitz N. Trajectories of anxiety symptoms and associations with incident cardiovascular disease in adults with type 2 diabetes. J Psychosom Res. 2018; 104:95-100

  • 2017
  • Malla A, Joober R, Iyer S, Norman R, Schmitz N, Brown T, Lutgens D, Jarvis E, Margolese HC, Casacalenda N, Abdel-Baki A, Latimer E, Mustafa S, Abadi S. Comparing three-year extension of early intervention service to regular care following two years of early intervention service in first-episode psychosis: a randomized single blind clinical trial. World Psychiatry. 2017; 16(3):278-286.   

  • Ter-Stepanian M, Grizenko N, Cornish K, Talwar V, Mbekou V, Schmitz N, Joober R. Attention and Executive Function in Children Diagnosed with Attention Deficit Hyperactivity Disorder and Comorbid Disorders.  J Can Acad Child Adolesc Psychiatry. 2017; 26(1): 21-30.

  • Lyne J, Joober R, Schmitz N, Lepage M, Malla A. Duration of active psychosis and first-episode psychosis negative symptoms.  Early Interv Psychiatry 2017; 11(1): 63-71.

  • Majnemer A, Dahan-Oliel N, Rohlicek C, Hatzigeorgiou S, Mazer B, Maltais DB, Schmitz N.  Educational and rehabilitation service utilization in adolescents born preterm or with a congenital heart defect and at high risk for disability. Dev Med Child Neurol. 2017; 59(10):1056-1062.

  • Levy M, Burns RJ, Deschenes SS, Schmitz N.  Does Social Support Moderate the Association Among Major Depression, Generalized Anxiety Disorder, and Functional Disability in Adults With Diabetes?  Psychosomatics. 2017; 58(4): 364-374.

  • Ivanova E, Burns RJ, Deschenes SS, Knauper B, Schmitz N. A Longitudinal Investigation of Anxiety and Depressive Symptomatology and Exercise Behaviour Among Adults With Type 2 Diabetes Mellitus.  Can J Diabetes. 2017; 41(1): 73-81.

  • Deschenes SS, Burns RJ, Pouwer F, Schmitz N. Diabetes Complications and Depressive Symptoms: Prospective Results From the Montreal Diabetes Health and Well-Being Study.  Psychosom Med. 2017; 79(5): 603-612.

  • Burns RJ, Deschênes SS, Knäuper B, Schmitz N. Habit strength as a moderator of the association between symptoms of poor mental health and unintentional non-adherence to oral hypoglycemic medication in adults with type 2 diabetes. J Health Psychol. 2017;  https://doi.org/10.1177/1359105316674269

  • Graham E, Au B, Schmitz N. Depressive symptoms, prediabetes, and incident diabetes in older English adults. Int J Geriatr Psychiatry. 2017; 32(12):1450-1458

  • 2016
  • Wang J, Patten SB, Lam RW, Attridge M, Ho K, Schmitz N, Marchand A, Lashewicz BM. The Effects of an E-Mental Health Program and Job Coaching on the Risk of Major Depression and Productivity in Canadian Male Workers: Protocol for a Randomized Controlled Trial.  JMIR Res Protoc. 2016; 5(4): e218.

  • Deschênes SS, Burns RJ, Graham E, Schmitz N. Prediabetes, depressive and anxiety symptoms, and risk of type 2 diabetes: A community-based cohort study. J Psychosom Res. 2016; 89:85-90.

  • Wang J, Lam RW, Ho K, Attridge M, Lashewicz BM, Patten SB, Marchand A, Aiken A, Schmitz N, Gundu S, Rewari N, Hodgins D, Bulloch A, Merali Z. Preferred Features of E-Mental Health Programs for Prevention of Major Depression in Male Workers: Results From a Canadian National Survey.  J Med Internet Res. 2016; 18(6): e132.

  • Smith KJ, Pedneault M, Schmitz N. Investigation of anxiety and depression symptom co-morbidity in a community sample with type 2 diabetes: Associations with indicators of self-care. Canadian Journal of Public Health. 2016; 106(8): e496-501.

  • Sears C, Schmitz N. The Relationship between Diabetes and Mental Health Conditions in an Aging Population. Canadian Journal of Diabetes. 2016; 40(1):4-5.

  • Schmitz N, Deschenes SS, Burns RJ, Smith KJ, Lesage A, Strychar I, Rabasa-Lhoret R, Freitas C, Graham E, Awadalla P, Wang JL. Depression and risk of type 2 diabetes: the potential role of metabolic factors. Molecular Psychiatry. 2016;  21(12):1726-1732.

  • Schmitz N, Deschenes SS, Burns RJ, Smith KJ. Depressive symptoms and glycated hemoglobin A1c: a reciprocal relationship in a prospective cohort study. Psychological Medicine. 2016; 46(5):945-55.

  • Lipscombe C, Smith KJ, Gariepy G, Schmitz N. Gender differences in the association between lifestyle behaviors and diabetes distress in a community sample of adults with type 2 diabetes. Journal of Diabetes. 2016; 8(2):269-78.

  • Danna SM, Graham E, Burns RJ, Deschênes SS, Schmitz N. Association between Depressive Symptoms and Cognitive Function in Persons with Diabetes Mellitus: A Systematic Review. PLoS One. 2016; 11(8):e0160809.

  • Freitas C, Deschenes S, Au B, Smith K, Schmitz N. Risk of Diabetes in Older Adults with Co-Occurring Depressive Symptoms and Cardiometabolic Abnormalities: Prospective Analysis from the English Longitudinal Study of Ageing. PLoS One. 2016;11(5):e0155741.

  • Freitas C, Deschenes S, Au B, Smith K, Schmitz N. Evaluating lifestyle and health-related characteristics of older adults with co-occurring depressive symptoms and cardiometabolic abnormalities. International Journal of Geriatric Psychiatry. 2016;31(1):66-75.

  • Fleury MJ, Bamvita JM, Grenier G, Schmitz N, Piat M, Tremblay J. Adequacy of Help Received by Individuals with Severe Mental Disorders After a Major Healthcare Reform in Quebec: Predictors and Changes at 5-Year Follow-Up. Administration and policy in mental health. 2016;43(5):799-812.

  • Burns RJ, Deschenes SS, Schmitz N. Associations between coping strategies and mental health in individuals with type 2 diabetes: Prospective analyses. Health Psychology. 2016;35(1):78-86.

  • Burns RJ, Deschenes SS, Schmitz N. Associations between Depressive Symptoms and Social Support in Adults with Diabetes: Comparing Directionality Hypotheses with a Longitudinal Cohort. Ann Behav Med. 2016;50(3):348-57.

  • Deschenes SS, Burns RJ, Schmitz N. Anxiety Symptoms and Functioning in a Community Sample of Individuals with Type 2 Diabetes: A Longitudinal Study. J Diabetes. 2016; 8(6):854-862.

  • 2015
  • Lipscombe C, Burns RJ, Schmitz N (2015) Exploring trajectories of diabetes distress in adults with type 2 diabetes: a latent class growth modeling approach. J Affect Disord. 2015 Dec 1;188:160-6. doi: 10.1016/j.jad.2015.08.003. Epub 2015 Aug 22.

  • King, S., Kildea, S., Austin, M. P., Brunet, A., Cobham, V. E., Dawson, P. A., Harris, M., Hurrion, E. M., Laplante, D. P., McDermott, B. M., McIntyre, H. D., O'Hara, M. W., Schmitz, N., Stapleton, H., Tracy, S. K., Vaillancourt, C., Dancause, K. N., Kruske, S., Reilly, N., Shoo, L., Simcock, G., Turcotte-Tremblay, A. M. & Yong Ping, E. (2015). QF2011: a protocol to study the effects of the Queensland flood on pregnant women, their pregnancies, and their children's early development. BMC Pregnancy Childbirth. 2015 May 6;15:109. doi: 10.1186/s12884-015-0539-7.
  • Gariepy, G., Thombs, B.D., Kestens, Y., Kaufman, J. S., Blair, A., Schmitz, N. (2015).  The neighbourhood built environment and trajectories of depression symptom episodes in adults: a latent class growth analysis. PLoS One. 2015 Jul 24;10(7):e0133603. doi: 10.1371/journal.pone.0133603. eCollection 2015.
  • Burns, R. J., Deschenes, S. & Schmitz, N. (2015). Cyclical relationship between depressive symptoms and diabetes distress in people with Type 2 diabetes mellitus: results from the Montreal Evaluation of Diabetes Treatment Cohort Study. Diabet Med. 2015 Oct;32(10):1272-8. doi: 10.1111/dme.12860. Epub 2015 Aug 20.
  • Blair, A., Gariepy, G. & Schmitz, N. (2015). The longitudinal effects of neighborhood social and material deprivation change on psychological distress in urban, community-dwelling Canadian adults. Public Health. 2015 Jul;129(7):932-40. doi: 10.1016/j.puhe.2015.05.011. Epub 2015 Jun 22.
  • Lyne, J., Joober, R., Schmitz, N., Lepage, M. & Malla, A. (2015). Duration of active psychosis and first-episode psychosis negative symptoms. Early Interv Psychiatry. 2015 Jan 13. doi: 10.1111/eip.12217. [Epub ahead of print]
  • Majnemera A, Shikako-Thomasa K, Schmitz N, Shevell, M, Lach L (2015) Stability of leisure participation from school-age to adolescence in individuals with cerebral palsy. Research in Developmental Disabilities, in press

  • Lutgens, D., Iyer, S., Joober, R., Brown, T. G., Norman, R., Latimer, E., Schmitz, N., Abdel Baki, A., Abadi, S. & Malla, A. (2015). A five-year randomized parallel and blinded clinical trial of an extended specialized early intervention vs. regular care in the early phase of psychotic disorders: study protocol. BMC Psychiatry. 2015 Feb 14;15:22. doi: 10.1186/s12888-015-0404-2.
  • Deschenes, S. S., Burns, R. J. & Schmitz, N. (2015). Associations between depression, chronic physical health conditions, and disability in a community sample: A focus on the persistence of depression. J Affect Disord. 2015 Jul 1;179:6-13. doi: 10.1016/j.jad.2015.03.020. Epub 2015 Mar 20.
  • Deschenes, S. S., Burns, R. J. & Schmitz, N (2015). Associations between diabetes, major depressive disorder and generalized anxiety disorder comorbidity, and disability: findings from the 2012 Canadian Community Health Survey - Mental Health (CCHS-MH). J Psychosom Res 78, 137-142.
  • Graham, E., Gariepy, G., Burns, R. J. & Schmitz, N (2015). Demographic, Lifestyle, and Health Characteristics of Older Adults with Prediabetes in England. Prev Med 77: 74-79
  • Clyde, M., Smith, K. J., Gariepy, G. & Schmitz, N. (2015). Assessing the longitudinal associations and stability of smoking and depression syndrome over a 4-year period in a community sample with type 2 diabetes. J Diabetes 7, 95-101.
  • Shikako-Thomas, K., Shevell, M., Lach, L., Law, M., Schmitz, N., Poulin, C., & Majnemer, A. (2015). Are you doing what you want to do? Leisure preferences of adolescents with cerebral palsy. Dev Neurorehabil, 18(4):234-40
  • Hansen, K; Schussel, K; Kieble, M; Werning, J; Schulz, M; Friis, R; Pohlau, D; Schmitz, N; Kugler, J (2015) Adherence to Disease Modifying Drugs among Patients with Multiple Sclerosis in Germany: A Retrospective Cohort Study PLOS ONE, 10 (7):10.1371/journal.pone.0133279 JUL 27 2015
  • Gariepy, G., Kaufman, J. S., Blair, A., Kestens, Y. & Schmitz, N. (2015). Place and health in diabetes: the neighbourhood environment and risk of depression in adults with Type 2 diabetes. Diabet Med. 32 (7):944-950
  • Clyde, M., Smith, K. J., Gariepy, G. & Schmitz, N. (2015). Assessing the longitudinal associations and stability of smoking and depression syndrome over a 4-year period in a community sample with type 2 diabetes. J Diabetes 7(1):95-101.
  • Au, B., Smith, K. J., Gariepy, G. & Schmitz, N. (2015).  The longitudinal associations between C-reactive protein and depressive symptoms: evidence from the English Longitudinal Study of Ageing (ELSA). Int J Geriatr Psychiatry, Int J Geriatr Psychiatry. 30(9):976-84
  • 2014
  • Wang, J. L., Sareen, J., Patten, S., Bolton, J., Schmitz, N. & Birney, A. (2014). A prediction algorithm for first onset of major depression in the general population: development and validation. Journal of Epidemiology and Community Health 68, 418-424.
  • Wang, J. L., Patten, S., Sareen, J., Bolton, J., Schmitz, N. & MacQueen, G. (2014). Development and validation of a prediction algorithm for use by health professionals in prediction of recurrence major depression. Depression and Anxiety 31, 451-457.
  • Smith, K. J. & Schmitz, N (2014). Association of depression and anxiety symptoms with functional disability and disability days in a community sample with type 2 diabetes. Psychosomatics 55, 659-667.
  • Smith, K. J., Rabasa-Lhoret, R., Strychar, I., Karelis, A. D., Clyde, M., Levasseur, J., Pinaroc, C., Pedneault, M. & Schmitz, N. (2014). Good vs. poor self-rated diabetes control: differences in cardiovascular risk and self-care activities. Exp Clin Endocrinol Diabetes 122, 236-239.
  • Smith, K. J., Gariepy, G. & Schmitz, N. (2014). Self-reported use of diabetes healthcare services in a Quebec community-based sample: impact of depression status. Public Health 128, 63-69.
  • Schmitz, N., Gariepy, G., Smith, K. J., Malla, A., Boyer, R., Strychar, I., Lesage, A. & Wang, J. L. (2014). Longitudinal Relationships Between Depression and Functioning in People with Type 2 Diabetes. Annals of Behavioral Medicine 47, 172-179.
  • Schmitz, N., Gariepy, G., Smith, K. J., Clyde, M., Malla, A., Boyer, R., Strychar, I., Lesage, A. & Wang, J. L. (2014). Recurrent Subthreshold Depression in Type 2 Diabetes: An Important Risk Factor for Poor Health Outcomes. Diabetes Care 37, 970-978. 
  • Messier, L., Elisha, B., Schmitz, N., Gariepy, G., Malla, A., Lesage, A., Boyer, R., Wang, J. & Strychar, I. (2014). Weight cycling and depressive symptoms in diabetes: a community-based study of adults with type 2 diabetes mellitus in Quebec. Can J Diabetes 38, 456-460.
  • Malla, A., Jordan, G., Joober, R., Schmitz, N., Norman, R., Brown, T., Goldberg, K., Loohuis, H., Vracotas, N. & Rochford, J. (2014). A controlled evaluation of a targeted early case detection intervention for reducing delay in treatment of first episode psychosis. Soc Psychiatry Psychiatr Epidemiol 49, 1711-1718.
  • Majnemer, A., Shikako-Thomas, K., Lach, L., Shevell, M., Law, M., Schmitz, N. & Poulin, C. (2014). Rehabilitation service utilization in children and youth with cerebral palsy. Child Care Health and Development 40, 275-282.
  • Lipscombe, C., Smith, K. J., Gariepy, G. & Schmitz, N. (2014). Gender differences in the relationship between anxiety symptoms and physical inactivity in a community-based sample of adults with type 2 diabetes. Can J Diabetes 38, 444-450.
  • Gariepy, G., Blair, A., Kestens, Y. & Schmitz, N. (2014). Neighbourhood characteristics and 10-year risk of depression in Canadian adults with and without a chronic illness. Health & place 30, 279-286.
  • Choudhry, Z., Sengupta, S., Thakur, G., Page, V., Schmitz, N., Grizenko, N. & Joober, R. (2014). Catechol-O-Methyltransferase Gene and Executive Function in Children With ADHD. Journal of Attention Disorders 18, 202-211.
  • Blair, A., Ross, N. A., Gariepy, G. & Schmitz, N. (2014). How do neighborhoods affect depression outcomes? A realist review and a call for the examination of causal pathways. Soc Psychiatry Psychiatr Epidemiol 49, 873-887.
  • Au, B., Smith, K. J., Gariepy, G. & Schmitz, N. (2014). C-reactive protein, depressive symptoms, and risk of diabetes: Results from the English Longitudinal Study of Ageing (ELSA). Journal of Psychosomatic Research 77, 180-186.