Bayard Roberts|John Browne|Kaducu Felix Ocaka|Thomas Oyok|Egbert Sondorp
The reliability and validity of the SF-8 with a conflict-affected population in northern Uganda
London School of Hygiene & Tropical Medicine|London School of Hygiene & Tropical Medicine|Gulu University|London School of Hygiene & Tropical Medicine|London School of Hygiene & Tropical Medicine
sf8 healthrelated quality life instrument could provide useful means assessing general physical mental health amongst populations affected conflict purpose study test validity reliability sf8 conflictaffected population northern uganda crosssectional multistaged random cluster survey conducted 1206 adults camps internally displaced persons gulu amuru districts northern uganda data quality assessed analysing number incomplete responses sf8 items response distribution analysed using aggregate endorsement frequency testretest reliability assessed separate smaller survey using intraclass correlation test construct validity measured using principal component analysis pearson correlation test itemsummary score correlation interinstrument correlations known groups validity assessed using two sample ttest evaluates ability sf8 discriminate groups known physical mental health problems sf8 showed excellent data quality showed acceptable item response distribution based upon analysis aggregate endorsement frequencies testretest showed good intraclass correlation 061 pcs 068 mcs principal component analysis indicated strong construct validity concurred results validity tests sf8 developers sf8 also showed strong construct validity 8 items pcs mcs summary score moderate interinstrument validity strong known groups validity study provides evidence reliability validity sf8 amongst idps northern uganda