Demographic variables most and least correlated with receiving a counterfeit Avastin notice at the zip-code level (n=29 757 zip codes)
| Most correlated variables | Least correlated variables | ||
|---|---|---|---|
| Variable | r | Variable | r |
| Number of people age 85 and above | 0.263 | Average family size | 0.001 |
| Number of people age 75–84 | 0.258 | Average household size | −0.002 |
| Households with married couple and no children | 0.255 | Square miles | −0.011 |
| Self-identifying individuals as racially white | 0.253 | Self-identifying individuals as racially native Hawaiian or Other Pacific Islander | 0.037 |
| Number of people age 65–74 | 0.252 | Median age of females | −0.037 |