Table 3

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

Ebola risk perception atAnxiety and depression symptoms (PHQ-4)PTSD symptoms (IES-r)
N*%*P value†OR (95% CI)AOR (95% CI)N*%*P value†OR (95% CI)AOR (95% CI)
National level (n=2416)125652.0<0.0011.58 (1.37 to 1.83)1.58 (1.36 to 1.83)193380.0<0.0011.70 (1.44 to 2.00)1.64 (1.38 to 1.94)
District level (n=2078)105350.6<0.0011.23 (1.08 to 1.41)1.31 (1.14 to 1.51)166680.2<0.0011.56 (1.33 to 1.83)1.65 (1.40 to 1.95)
Community level (n=1894)96250.80.0011.22 (1.07 to 1.39)1.27 (1.10 to 1.46)152080.3<0.0011.52 (1.30 to 1.78)1.62(1.37 to 1.91)
Household level (n=1824)92750.80.0011.21 (1.06 to 1.38)1.26 (1.09 to 1.45)145279.6<0.0011.39 (1.19 to 1.68)1.45 (1.23 to 1.71)
Composite risk perception (n=2573)133551.9<0.0011.69 (1.45 to 1.97)1.69 (1.44 to 1.98)206380.2<0.0011.93 (1.63 to 2.28)1.86 (1.56 to 2.21)
  • Adjusted for age group, region of residence, gender and education.

  • *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; IES-r, Impact of Event Scale revised; PHQ, Patient Health Questionnaire; PTSD, post-traumatic stress disorder.