abd:  abducted by the LRA (treatment)
C_ach – C_pal: Location indicators (each abbreviation corresponds to a sub-district; i.e. ach = Acholibur, etc.)
age: age in years
fthr_ed: father's education (years)
mthr_ed: mother's education (years)
orphan96: indicator if parent's died before 1997
hh_fthr_frm: indicator if father is a farmer
hh_size96: household size in 1996
educ: years of education
distress: index of emotional distress (0-15)
log.wage: log of average daily wage earned in last 4 weeks