a decreasing trendp < 0.001
The prevalence of PTSD was 33.3%, 32.8%, and 28.6% at the 1st, 3rd, and 5th wave, respectively, with a decreasing trend ( p < 0.001).
The prevalence of PTSD was 33.3%, 32.8%, and 28.6% at the 1st, 3rd, and 5th wave, respectively, with a decreasing trend ( p < 0.001).