Fig. 2From: Association of breastfeeding with mental disorders in mother and child: a systematic review and meta-analysisMeta-analysis of case–control studies. Breastfeeding (ever vs. never) and risk of schizophrenia. 1.1.1. Primary analysis, which includes studies using non-family related subjects as a control group. 1.1.2. Sensitivity analysis, which included McCreadi et al. study, which used siblings as a control groupBack to article page