Observed helmet use by bicycle type, Toronto, 2011
| BIXI bike | Personal bike | χ2 | p Value | |||
| Riders (n) | Helmet, n (%) | Riders (n) | Helmet, n (%) | |||
| Total observed | 306 | 64 (20.9) | 6426 | 3320 (51.7) | 110.48 | <0.0001 |
| Females | 72 | 17 (23.6) | 2327 | 1345 (57.8) | 33.26 | <0.0001 |
| Males | 234 | 47 (20.1) | 4073 | 1951 (47.9) | 68.84 | <0.0001 |
| Could not determine sex | 0 | 0 (–) | 26 | 24 (92.3) | (Not analysed) | |
The proportion of riders using helmets was lower on BIXI bicycles and this was statistically significant overall and by sex.