Characteristics of treatment groups at baseline [missing values]
| Helmet + educational pack (n = 597) | Helmet + multifaceted intervention (n = 464) | |
|---|---|---|
| *% of those who own bike; †% of those owning helmet. | ||
| Sex (male) | 285 (47.7) | 248 (53.5) |
| Resides in deprived area | 230 (44.4) [94] | 288 (55.6) [67] |
| Owns bike | 556 (93.1) | 399 (86.0) |
| Rides bike* | ||
| 4 or more days per week | 300 (54.6) [7] | 209 (53.6) [9] |
| 3 days a week or less | 249 (45.4) | 181 (46.4) |
| Rides bike* | ||
| To and from school | 18 (3.2) | 5 (1.3) |
| To visit friends | 296 (53.2) | 188 (47.2) |
| For fun | 489 (88.0) | 348 (87.2) |
| Only when has to | 62 (11.2) | 25 (6.3) |
| For sport | 187 (33.6) | 149 (37.3) |
| Owns helmet* | 310 (55.8) | 185 (46.4) |
| Encouraged by family members to wear helmet* | 346 (64.2) [17] | 266 (70.2) [20] |
| Told about dangers of not wearing helmet by: | ||
| Parent | 490 (78.2) | 339 (78.1) |
| School nurse | 44 (7.0) | 51 (11.8) |
| Teacher | 407 (64.9) | 298 (68.7) |
| Doctor | 109 (17.4) | 74 (17.1) |
| Policeman | 166 (26.5) | 103 (23.7) |
| Road safety officer | 380 (60.6) | 290 (66.8) |
| Best friend wears helmet | 217 (38.0) [26] | 159 (35.5) [16] |
| Had accident on bike requiring medical attention | 104 (17.4) | 96 (20.7) |
| Wears helmet when riding† | ||
| Always | 86 (28.3) [6] | 56 (30.6) [2] |
| Sometimes | 154 (50.7) | 80 (43.7) |
| Never | 64 (21.1) | 47 (25.7) |