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Table 3 Principal-component analysis: pattern matrix

From: Explainable statistical learning in public health for policy development: the case of real-world suicide data

  Component
1 2 3
Unemployment 0.87 −0.19 0.01
Estimated prevalence of opiates and/or crack cocaine use 0.86 −0.04 − 0.08
Alcohol-related hospital admission 0.83 0.12 0.06
Children leaving care 0.82 − 0.09 − 0.03
Severe mental illness recorded prevalence 0.75 −0.37 − 0.03
Self-reported well-being - low happiness 0.71 0.11 0.21
Children in the youth justice system 0.69 0.07 −0.15
Adults in treatment at specialist alcohol misuse services 0.63 0.32 −0.06
inverse People living alone −0.48 −0.21 0.19
Self-reported well-being - high anxiety 0.48 −0.01 0.21
Domestic abuse incidents 0.46 0.07 −0.02
Emergency hospital admissions for intentional self-harm 0.25 0.76 0.03
Depression recorded prevalence 0.04 0.76 −0.03
Statutory homelessness 0.22 −0.76 −0.04
Marital breakup 0.20 0.61 0.10
Adult carers who have as much social contact as they would like (all ages) −0.07 0.56 0.04
Adult social-care users who have as much social contact as they would like 0.00 0.52 −0.11
Successful completion of drug treatment - non-opiate users 0.12 0.08 0.89
Successful completion of alcohol treatment −0.04 0.18 0.80
Successful completion of drug treatment - opiate users −0.09 −0.27 0.64
  1. In an initial three-factor solution, social care mental health clients receiving services loaded on none of the components. Therefore this variable was removed from the final analysis
  2. Figures in bold indicate main loadings