Table 1 Characteristics of the analytic sample in baseline and follow-up survey.

JPY, Japanese Yen.

Baseline survey in August 2010Follow-up survey in October 2013
n*%MeanSDn*%MeanSD
Relocation
  No312594.7
  Group relocation792.4
  Individual relocation962.9
  Total3300100
Loss of relatives and/or friends
  No208062.0
  Yes127738.0
  Total3357100
Age
  (continuous)342173.36.0342176.56.0
Equivalent income
  Under 2.0 million JPY136548.6152352.9
  2.0 million JPY and over144251.4135447.1
  Total28071002877100
Employment status
  Nonemployment246581.6287186.6
  Employment55418.444413.4
  Total30191003315100
Marital status (divorce or bereavement)
  No (married)240474.0230569.6
  Yes84326.0100530.4
  Total32471003310100
Living alone
  No302890.9297588.7
  Yes3039.138011.3
  Total33311003355100
Depressive symptoms
  Lower risk (≤4)205469.6203868.4
  Higher risk (≥5)89930.494331.6
  Total29531002981100
Mutual help
  1: Not at all, 5: Very much33213.540.8233463.540.79
Trust
  1: Not at all, 5: Very much33523.760.7633723.740.71
Community attachment
  1: Not at all, 5: Very much33444.000.8233753.960.82
Frequency meeting with friends
  1: Rarely, 6: Almost everyday32893.761.4733753.661.55
Number of friends who met for the past month
  1: None, 5: 10 or more32603.611.2633683.451.34
Frequency participating to sports club
  1: None, 6: Almost everyday28801.881.4432801.811.43
Frequency participating to hobby club
  1: None, 6: Almost everyday29362.281.4632871.931.39
Sex (time-invariant variable)
  Male151844.4
  Female190355.6
  Total3421100
Educational attainment (time-invariant variable)
  9 years and under115935.1
  10 years and over214064.9
  Total3299100

*Almost all items include missing values (overall analytic sample is 3421).

†Empty cells at baseline due to data taken before the disaster.

‡Empty cells at follow-up due to time-invariant variables.