Table 1.
Overall nonmedical users | Male nonmedical users | Female nonmedical users | Sex differences | |
---|---|---|---|---|
| ||||
Diversion Source | n (%) | n (%) | n (%) | Chi-square (DF), p-value |
| ||||
Previous prescription only | 104 (14.4%) | 40 (11.5%) | 59 (17.2%) | 29.04 (1), p < 0.001 |
Previous prescription + other sources | 147 (22.5%) | 68 (20.8%) | 74 (25.1%) | 11.54 (1), p < 0.001 |
Other sources | 396 (63.2%) | 202 (67.7%) | 170 (57.7%) | 47.07 (1), p < 0.001 |
Note: Sample sizes for sex vary from overall sample sizes due to missing data on the sex variable in the MTF data set.
Source: 2007–2010 MTF; weighted estimates with average design effect correction of 2.0 applied to chi-square statistics.