The prevalence of posttraumatic stress disorder (PTSD) in ex-combatants from illegal armed groups in Colombia has been estimated at 37.4%. This high prevalence indicates a need to explore alternative and adjunctive therapies in the treatment of PTSD. A randomized controlled trial was undertaken to evaluate the efficacy and safety of a protocol based on Satyananda Yoga® in PTSD-diagnosed reintegrating adults in Colombia. One hundred reintegrating adults (n = 50 for each of the yoga and control arms) from Bogota and Medellin participated in this study. Yoga participants engaged in a Satyananda Yoga intervention for 16 weeks while the control group continued the regular demobilization program. The Posttraumatic Stress Disorder Checklist - Civilian Version (PCL-C) was used to evaluate the effects of the applied therapy. Outcomes were assessed before entry and after the treatment. T-tests revealed a treatment effect of d = 1.15 for the yoga group and a between-groups effect size of d = .73. The difference in improvement in PCL-C scores between both groups was 18.91% (p < 0.05). The highest percentage of improvement was observed in the re-experiencing symptom cluster (23.71%; p < 0.05), with a treatment effect of d = 1.40 for the yoga group and a between-groups effect size of d = 1.15. The data suggest that Satyananda Yoga methodology is an effective therapy for reintegrating adults diagnosed with PTSD. Further research is needed in order to evaluate prolonged effects of this alternative therapy.

El presente estudio aporta evidencias sobre las propiedades psicométricas del IDER con una muestra de población general colombiana (N=1073). Se reportan datos de confiabilidad y validez. Los resultados son similares a los obtenidos con muestras españolas, estadounidenses y chilenas, lo que confirma la estructura bifactorial de la prueba (distimia y eutimia) y reporta niveles de confiabilidad que oscilan entre .71 y .86. Se muestran correlaciones significativas y moderadas con el CBD (.59) como evidencias de validez convergente. Por su parte, como medida de la validez divergente, las correlaciones con el STAI y el STAXI-2 fueron menores y también significativas (entre .25 y .38 para ansiedad y entre .25 y .43 para ira). Las puntuaciones son mayores para las mujeres, de manera similar a lo reportado en estudios previos. Se confirman las adecuadas propiedades psicométricas del instrumento con la muestra del estudio, pero se advierte del valor de la escala como medida de afectividad negativa y no como herramienta diagnóstica para la depresión.

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