From: The effect of job stress on smoking and alcohol consumption
 | Income | Household Size |
---|---|---|
Low income | Less than $15,000 | 1 or 2 persons |
 | Less than $20,000 | 3 or 4 persons |
 | Less than $30,000 | 5 or more persons |
Low middle income | $15,000 to $29,999 | 1 or 2 persons |
 | $20,000 to $39,999 | 3 or 4 persons |
 | $30,000 to $59,999 | 5 or more persons |
High middle income | $30,000 to $59,999 | 1 or 2 persons |
 | $40,000 to $79,999 | 3 or 4 persons |
 | $60,000 to $79,999 | 5 or more persons |
High income | $60,000 or more | 1 or 2 persons |
 | $80,000 or more | 3 persons or more |