Solving a weighty problem: systematic review and meta-analysis of nutrition interventions in severe mental illness

Br J Psychiatry. 2017 Feb;210(2):110-118. doi: 10.1192/bjp.bp.115.177139. Epub 2016 Nov 3.

Abstract

Background: Nutrition interventions would appear fundamental for weight management and cardiometabolic risk reduction in people experiencing severe mental illness (SMI). Comprehensive evaluation of nutrition interventions is lacking.

Aims: To subject randomised controlled trials of nutrition interventions in people with SMI to systematic review and meta-analysis, and to measure anthropometric and biochemical parameters and nutritional intake.

Method: An electronic database search identified trials with nutrition intervention components. Trials were pooled for meta-analysis. Meta-regression analyses were performed on anthropometric moderators.

Results: Interventions led to significant weight loss (19 studies), reduced body mass index (17 studies), decreased waist circumference (10 studies) and lower blood glucose levels (5 studies). Dietitian-led interventions (6 studies) and studies delivered at antipsychotic initiation (4 studies) had larger effect sizes.

Conclusions: Evidence supports nutrition interventions as standard care in preventing and treating weight gain among people experiencing SMI.

Publication types

  • Meta-Analysis
  • Review
  • Systematic Review

MeSH terms

  • Diet, Healthy*
  • Humans
  • Mental Disorders / diet therapy
  • Mental Disorders / therapy*
  • Outcome Assessment, Health Care*
  • Patient Education as Topic*
  • Weight Loss*