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Chi-square analysis of cohort and gender concordance of injection initiation events among people who reported recent injection initiation in San Diego, USA, Tijuana, Mexico, and Vancouver, Canada, χ2(2) = 10.32, p < .001.
| Site | ||||
|---|---|---|---|---|
| Events | SD Frequency (Column %) |
TJ Frequency (Column %) |
Vancouver Frequency (Column %) |
Total |
| Concordant | 7 | 17 | 25 | 49 |
| (41.2) | (73.9) | (35.7) | ||
| Discordant | 10 | 6 | 45 | 61 |
| (58.8) | (26.1) | (64.3) | ||
| Total | 17 | 23 | 70 | 110 |
