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Psychological and Sociocultural Causes of Schizophrenia

Psychological and Sociocultural Causes of Schizophrenia

Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...

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Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those diagnosed.

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Mortality Risks in Patients With Schizophrenia in Shanghai: A Longitudinal Cohort Study.

Yu Zhou¹, PanPan Zhang², Feng Wang¹

¹Disease Prevention and Control Department, Minhang District Mental Health Center, 201112 Shanghai, China.

Actas Espanolas De Psiquiatria

|June 25, 2026

Summary

Mortality risk for individuals with schizophrenia significantly increased in the late cohort (2022-2023) compared to the early cohort (2021-2022). Factors like male sex, older age, and longer illness duration were associated with higher mortality in schizophrenia patients.

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Area of Science:

Public Health
Psychiatry
Epidemiology

Background:

Schizophrenia presents a significant public health challenge due to elevated mortality rates compared to the general population.
Understanding temporal mortality trends in schizophrenia patients is crucial for developing targeted interventions.

Purpose of the Study:

To analyze changes in mortality rates among schizophrenia patients in Shanghai, China, over a two-year period (April 2021 - March 2023).

Main Methods:

A longitudinal cohort study involving 5234 individuals diagnosed with schizophrenia.
Data collected from April 1, 2021, to March 31, 2023, divided into early (2021-2022) and late (2022-2023) cohorts.
Statistical analysis included Pearson's chi-square tests and multivariable Cox proportional hazards models.

Main Results:

The late cohort exhibited a significantly higher mortality rate (4.89%) compared to the early cohort (2.30%).
Mortality risk was substantially elevated in the late cohort (5.08-fold increase vs. general population), with peaks in Dec 2022-Jan 2023.
Factors associated with increased mortality included male sex, older age, unmarried/divorced/widowed status, earlier age of onset, and longer illness duration.

Conclusions:

Mortality risk among schizophrenia patients increased notably between April 2021 and March 2023.
Schizophrenia patients face higher mortality risks than the general population, especially older adults (≥65 years) and women with low education.