Figure 2.

Differences of lower scale points by age group of subjects. The relationship between age of subjects and GHQ scores is shown as mean and standard deviation values. The data obtained two years after the earthquake (second survey) are shown with the data obtained five months after the earthquake (first survey). Trends of GHQ scores with increasing age of subjects were analyzed by ANOVA (ANOVA) with Scheffe post hoc tests and Jonckheere-Terpstra Test (JT). The p value of each test is shown in the plot. The factor I score of age group years 40–49 was significantly lower than groups years 65–79 and 80-(*) in the first survey. Age group years 80-showed significantly higher factor I score than other age groups (†).

Toyabe et al. BMC Public Health 2007 7:175   doi:10.1186/1471-2458-7-175
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