53 Defining vulnerability subgroups among pregnant women APPENDIX 3. Fit results of LCA model with increasing number of classes Model* Akaike Information Criterion (AIC) Relative decrease AIC Size adjusted Bayesian Information Criterion (aBIC) Relative decrease aBIC Bayesian Information Criterion (BIC) Relative decrease BIC Entropy Model 1 144228.5 NA 144380.1 NA 144532.6 NA NA Model 2 137476.2 -0.047 137782.5 -0.046 138090.8 -0.045 0.807 Model 3 135647.8 -0.013 136108.9 -0.012 136572.8 -0.011 0.781 Model 4 134443.5 -0.009 135059.5 -0.008 135679.1 -0.007 0.803 Model 5 133396.3 -0.008 134167 -0.007 134942.3 -0.005 0.784 Model 6 132491.5 -0.007 133417 -0.006 134348 -0.004 0.771 Model 7 131736.2 -0.006 132816.5 -0.005 133903.2 -0.003 0.774 Model 8 131271.7 -0.004 132817 -0.002 133749.1 -0.001 0.680 Model 9 130858.8 -0.003 132506.7 -0.002 133646.7 -0.001 0.757 Model 10 130494.3 -0.003 132248.6 -0.002 133592.7 0 0.645 Model 11 130226.1 -0.002 132038.8 -0.002 133635 0 0.625 Model 12 130006.5 -0.002 131925.4 0 133725.8 0.001 0.537 Model 13 129830.9 -0.001 131860.6 0 133860.7 0.001 0.524 Model 14 129699.4 -0.001 131863 0 134039.7 0.001 0.531 Model 15 129599.9 -0.001 131918.3 0 134250.7 0.002 NA *The model number reflects the number of classes included in each model. For example, model 5 reflects a model with 5 classes. APPENDIX 4. Prevalence of outcomes for the five latent classes Multi- dimensional vulnerability High care utilization Socioeconomic vulnerability Psychosocial vulnerability Healthy and socioeconomically stable Preterm birth 10.4% 8.6% 5.6% 5.8% 6.3% Small for gestational age (SGA) 10.5% 8.3% 7.1% 10.4% 6.2% Preterm birth and/or SGA 19.4% 15.3% 11.7% 15.5% 11.6% Admission to neonatal intensive care unit 6.0% 3.7% 2.5% 2.6% 3.0% Primary caesarean section 13.3% 8.2% 10.1% 7.5% 6.4% Secondary caesarean section 9.2% 8.0% 3.5% 8.4% 7.0% Pre-eclampsia/hypertension 4.8% 5.1% 4.8% 7.4% 5.9% Postpartum haemorrhage 6.8% 7.8% 6.8% 6.0% 6.0% No postpartum care (at home) 11.2% 9.1% 7.8% 4.7% 5.3% No antenatal care before week 10 25.3% 20.9% 22.3% 14.7% 10.8% 2
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