Fig. 2. Network of depression and psychosis symptoms with polygenic and environmental risk factors in the UK Biobank study.
A Symptom groups, polygenic factors, and environmental risk factors are represented with different colors; bridge nodes are depicted with a diamond shape. Edges (lines) can be interpreted as partial correlations, with edge thickness representing the strength of the correlation. Blue edges represent positive associations; red edges represent negative associations. B Centrality indices and bridge expected influence index for Step-2 network. Anh = anhedonia; Cnc = difficulty concentrating; Com = beliefs in unreal communications; Con = beliefs in unreal conspiracy against self; Dea = thoughts of death; Dei = depression impairment; Gre = greenspace; IMD = Index of Multiple Deprivation; Pol = air pollution; PRd = depression PRS; PRs = schizophrenia PRS; Psi = psychosis impairment; Sad = feelings of sadness/depression; Sle = sleep changes; Tir = feelings of tiredness; Trau = cumulative trauma; Vis = seeing unreal visions; Voi = hearing unreal voices; Wei = weight change; Wor = feelings of worthlessness.
