1 = Southern Ontario
2 = American Bottom
3 = Gila River Basin

1 = Severe drought
2 = Severe flood
3 = Severe El Nino
5 = El Nino
9 = Dummy event

Change in Population
1 = Dramatic decrease
2 = Decrease
3 = Stable
4 = Increase
5 = Dramatic Increase

ST_1 Data Quality
1 = Good
2 = Poor
3 = Inferred Answer
99 = Missing

Change in Household Organization
1 = Household organization collapses
2 = Size/complexity of household decreases
3 = Size/complexity of household is stable
4 = Size/complexity of household increases
5 = Radical increase in the size/complexity of households
88 = Conflicting information
99 = Missing

Change in Village Organization
1 = Community organization collapses
2 = Size/complexity of community decreases
3 = Size/complexity of community is stable
4 = Size/complexity of community increases
5 = Radical increase in the size/complexity of community
88 = Conflicting information
99 = Missing

Change in Regional Organization
1 = Regional system collapses
2 = Size/complexity of regional organization decreases
3 = Size/complexity of regional organization is stable
4 = Size/complexity of regional organization increases
5 = Radical increase in the size/complexity of regional organization
88 = Conflicting information
99 = Missing

Change in Communal Ritual
1 = Communal ritual ceases
2 = Size/complexity of ritual decreases
3 = Size/complexity of ritual is stable
4 = Size/complexity of ritual increases
5 = Radical increase in the size/complexity of ritual
88 = Conflicting information
99 = Missing

OLD Change in Household Organization
1 = None
2 = Some
3 = Substantial