Figure 1.

Time course of GHQ-12 scored by three different methods. GHQ-12 scores were assessed five months after the earthquake, and the subjects were required to assess mental state before the earthquake (Pre), mental state at the most stressful time after the earthquake (Post) and mental state at the time of assessment (Now). Mean and standard deviation values are shown. Differences between scores at the three points of time were analyzed by ANOVA with
    Scheffe
post hoc analysis. A p-value less than 0.01 is indicated by an asterisk (*).

Toyabe et al. BMC Public Health 2006 6:230   doi:10.1186/1471-2458-6-230
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