Table 4

Effect of Ebola experience and risk perception on mental health outcomes—National Knowledge, Attitudes and Practices Survey, Sierra Leone, July 2015 (n=3564)

Anxiety and depression symptoms (PHQ-4)PTSD symptoms (IES-r)
N*%*P valueOR (95% CI)AOR (95% CI)N*%*P value†OR (95% CI)AOR (95% CI)
Know someone who died or was quarantined (N*=1444)80956.00.0451.31 (1.00 to 1.72)1.33 (1.01 to 1.75)119682.80.0071.47 (1.10 to 1.96)1.51 (1.12 to 2.02)
Composite risk perception(N*=2573)133551.9<0.0011.47 (1.20 to 1.80)1.45 (1.18 to 1.77)206380.2<0.0011.74 (1.41 to 2.14)1.68 (1.36 to 2.09)
Ebola experience × composite risk perception (N*=1072)64660.30.0181.37 (1.00 to 1.87)1.47 (1.07 to 2.03)92486.20.0491.36 (0.95 to 1.94)1.44 (1.00 to 2.07)
  • *Frequency and proportions adjusted to account for sampling fractions; we excluded ’don’t know' responses and missing values.

  • †P values for Wald’s χ2 test.

  • AOR, adjusted OR (adjusted for age group, region of residence, gender and education); IES-r, Impact of Event Scale-revised; PHQ, Patient Health Questionnaire; PTSD, post-traumatic stress disorder.