GAD1 and depressive symptom measurement: The depression about nuclear war possibility was positively and relatively strongly correlated with the level of “feeling concerned about the RUW-22” (rs = 0.401), and it was moderately correlated with GAD-7 (rs = 0.377) and PHQ-9 (rs = 0.274) scores and weakly correlated with RUW-2-related news-following frequency (rs = 0.196).