Flint J. The genetic basis of major depressive disorder. Molecular Psychiatry. 2023:1-12.

Nour MO, Alharbi KK, Hafiz TA, Alshehri AM, Alyamani LS, Alharbi TH, et al. Prevalence of depression and associated factors among adults in Saudi Arabia: systematic review and meta-analysis (2000-2022). Depression and Anxiety. 2023;2023.

Jaeschke K, Hanna F, Ali S, Chowdhary N, Dua T, Charlson F. Global estimates of service coverage for severe mental disorders: findings from the WHO Mental Health Atlas 2017. Global Mental Health. 2021;8:e27.

Bains N, Abdijadid S, Miller JL. Major depressive disorder (nursing). StatPearls [Internet]: StatPearls Publishing; 2022.

Vyas CM, Donneyong M, Mischoulon D, Chang G, Gibson H, Cook NR, et al. Association of race and ethnicity with late-life depression severity, symptom burden, and care. JAMA Network Open. 2020;3(3):e201606-e201606.

Al-Hamzawi AO, Bruffaerts R, Bromet EJ, AlKhafaji AM, Kessler RC. The epidemiology of major depressive episodes in the Iraqi general population. PloS One. 2015;10(7):e0131937.

Abdulkarim AM, Muhsin SS. An Investigation of the severity levels and risk factors of Suicidal ideation among patients with major depressive disorder in Sulaimani City, Iraq/Kurdistan. Pakistan Journal of Medical and Health Sciences. 2021;15(3):1048-1051.

González de León B, del Pino-Sedeño T, Serrano-Pérez P, Rodriguez Alvarez C, Bejarano-Quisoboni D, Trujillo-Martín MM. Effectiveness of interventions to improve medication adherence in adults with depressive disorders: a meta-analysis. BMC Psychiatry. 2022;22(1):1-21.

Pitanupong J, Sammathit J. Knowledge and attitudes on medication adherence and residual symptoms in individuals with depression: a survey at a University Hospital. BMC Psychiatry. 2023;23(1):1-14.

Sun Y, Chen G, Wang L, Li N, Srisurapanont M, Hong JP, et al. Perception of stigma and its associated factors among patients with major depressive disorder: a multicenter survey from an Asian population. Frontiers in Psychiatry. 2019;10:321.

Qassim S, Boura F, Al-Hariri Y. Public knowledge and attitude toward depression and schizophrenia: Findings from a quantitative study in UAE. Asian Journal of Pharmaceutical and Clinical Research. 2018;11(7):402-406.

Teetharatkul T, Pitanupong J. Good medication adherence and its association with meaning in life among Thai individuals with schizophrenia. Journal of Health Science and Medical Research. 2022;40(5):533-541.

At B. Psychometric properties of the Beck Depression Inventory: twenty-five years of evaluation. Clinical Psychology Review 1988;8:77-100.

Cody R, Beck J, Brand S, Donath L, Eckert A, Faude O, et al. Depression severity and psychosocial determinants of physical activity behaviour in in-patients with major depressive disorders. Psychology of Sport and Exercise. 2022;63:102294.

Voelker J, Wang K, Tang W, He J, Daly E, Pericone CD, et al. Association of depression symptom severity with short-term risk of an initial hospital encounter in adults with major depressive disorder. BMC Psychiatry. 2021;21(1):1-10.

Löwe B, Unützer J, Callahan CM, Perkins AJ, Kroenke K. Monitoring depression treatment outcomes with the patient health questionnaire-9. Medical Care. 2004:1194-1201.

Levis B, Benedetti A, Thombs BD. Accuracy of Patient Health Questionnaire-9 (PHQ-9) for screening to detect major depression: individual participant data meta-analysis. BMJ. 2019;365:1-11.

Rush AJ, Trivedi MH, Ibrahim HM, Carmody TJ, Arnow B, Klein DN, et al. The 16-Item Quick Inventory of Depressive Symptomatology (QIDS), clinician rating (QIDS-C), and self-report (QIDS-SR): a psychometric evaluation in patients with chronic major depression. Biological Psychiatry. 2003;54(5):573-583.

Dunn AL, Trivedi MH, Kampert JB, Clark CG, Chambliss HO. The DOSE study: a clinical trial to examine efficacy and dose-response of exercise as a treatment for depression. Controlled Clinical Trials. 2002;23(5):584-603.

Morisky DE, Ang A, Krousel‐Wood M, Ward HJ. Predictive validity of a medication adherence measure in an outpatient setting. The Journal of Clinical Hypertension. 2008;10(5):348-354.

Anzolin AP, Feiten JG, Bristot G, Possebon GMP, de Almeida Fleck MP, Caldieraro MA, et al. Earlier age of onset is associated with a pro-inflammatory state in major depressive disorder. Psychiatry Research. 2022;314:114601.

Greenberg P, Chitnis A, Louie D, Suthoff E, Chen S-Y, Maitland J, et al. The Economic Burden of Adults with Major Depressive Disorder in the United States (2019). Advances in Therapy. 2023;40(10):4460-4479.

Hasin DS, Sarvet AL, Meyers JL, Saha TD, Ruan WJ, Stohl M, et al. Epidemiology of adult DSM-5 major depressive disorder and its specifiers in the United States. JAMA Psychiatry. 2018;75(4):336-346.

Chhetri B, Dem U, Tshering K, Skodlar B. Prevalence of major depressive disorder in adult patients with alcohol use disorder admitted in the psychiatric ward at the Jigme Dorji Wangchuck National Referral Hospital, Thimphu, Bhutan. Population Medicine. 2023;5(May):1-8.

Haro JM, Hammer-Helmich L, Saragoussi D, Ettrup A, Larsen KG. Patient-reported depression severity and cognitive symptoms as determinants of functioning in patients with major depressive disorder: a secondary analysis of the 2-year prospective PERFORM study. Neuropsychiatric Disease and Treatment. 2019:2313-2323.

Baryshnikov I, Aledavood T, Rosenström T, Heikkilä R, Darst R, Riihimäki K, et al. Relationship between daily rated depression symptom severity and the retrospective self-report on PHQ-9: A prospective ecological momentary assessment study on 80 psychiatric outpatients. Journal of Affective Disorders. 2023;324:170-174.

Banerjee S, Varma RP. Factors affecting non-adherence among patients diagnosed with unipolar depression in a psychiatric department of a tertiary hospital in Kolkata, India. Depression Research and Treatment. 2013;2013:1-13.

Marasine NR, Sankhi S. Factors associated with antidepressant medication non-adherence. Turkish Journal of Pharmaceutical Sciences. 2021;18(2):242.

Cheng J, Feng Y, Liu Z, Zheng D, Han H, Liu N, et al. Knowledge, attitude, and practice of patients with major depressive disorder on exercise therapy. BMC Public Health. 2024;24(1):323.

Santi NS, Biswal SB, Naik BN, Sahoo JP, Rath B. Quality of Life and Medication Adherence in Patients With Major Depressive Disorder: An Interim Analysis of a Randomized Study. Cureus. 2023;15(6).

Khalifeh AH, Hamdan-Mansour AM. Prevalence, barriers, and interventions related to medication adherence among patients with major depressive disorder: a scoping review. Journal of Psychosocial Nursing and Mental Health Services. 2021;59(1):39-51.

Khalifeh AH, Alhalaiqa FN, Hamaideh SH, Horne R, Hamdan‐Mansour AM. The effect of adherence therapy on medication adherence, health beliefs, self‐efficacy, and depressive symptoms among patients diagnosed with major depressive disorder. International Journal of Mental Health Nursing. 2023;32(3):778-790.

Ho SC, Jacob SA, Tangiisuran B. Barriers and facilitators of antidepressant adherence among outpatients with major depressive disorder: a qualitative study. PloS One. 2017;12(6):e0179290.

Dell'Osso B, Albert U, Carrà G, Pompili M, Nanni MG, Pasquini M, et al. How to improve adherence to antidepressant treatments in patients with major depression: a psychoeducational consensus checklist. Annals of General Psychiatry. 2020;19:1-8.