Collaborative activities and explanation on each survey item.

*1Thoughts and actions prior to the earthquake disaster;*2Actions and circumstances during the earthquake disaster;*31. Total n (%) of responses of “1. Very severe” and “2. Relatively severe”;*4Mean±SD of number of responses on choices on 7 items;**4Mean±SD of number of responses on choices on 15 items;***4Mean±SD of number of responses on choices on 4 items;*5Total n (%) of responses “1. Had thought (felt, known) about it” and “had thought about it somewhat”;*6Mean±SD of number of resoponses on choices on a 7-point rating responses;*7Mean±SD of number of responses on choices on a 5-point rating scale.