Comparison of children struck while at play versus on a walking trip
| Exposure variable | At play (%) (n=39) | Walking trip (%) (n=97) | p Value |
|---|---|---|---|
| *Summer = 15 July 1998 to 7 September 1998 and 19 June 1999 to 7 September 1999. | |||
| School year = 8 September 1998 to 18 June 1999. | |||
| †n=33 for “at play”, n=93 for “walking trip” due to exclusion of children not yet attending school. | |||
| Demographics | |||
| Mean (SD) age (years) | 8.7 (3.0) | 8.8 (2.8) | 0.89 |
| Sex male | 30 (77) | 66 (68) | 0.21 |
| Race | |||
| Black | 32 (82) | 83 (86) | 0.63 |
| White | 4 (10) | 6 (6) | |
| Other | 3 (8) | 8 (8) | |
| MAIS: median (range) | 1 (0–3) | 1 (0–5) | 0.16 |
| Routine play | |||
| Location | |||
| Street | 17 (44) | 37 (38) | 0.57 |
| Sidewalk | 29 (74) | 59 (61) | 0.16 |
| Playground | 18 (46) | 43 (44) | 0.85 |
| Time in outdoor play*: hours, median (range) | |||
| Summer weekday | 4 (2–10) | 4 (0–13) | 0.74 |
| School year weekday | 3 (0–10) | 2 (0–8) | 0.04 |
| Summer weekend | 5 (2–10) | 6 (0–13) | 0.60 |
| School year weekend | 5 (0–10) | 4 (0–10) | 0.30 |
| Routine pedestrian | |||
| Walk to/from school† | 26 (79) | 80 (86) | 0.33 |
| Weekly number of street crossings: median (range) | |||
| School trip | 20 (0–100) | 30 (0–120) | 0.39 |
| Other trips | 6 (0–91) | 5 (0–119) | 0.29 |