Mean, SD and range of the number of bruises per child and the mean number of sites affected per developmental group for physically abused and physical abuse-excluded groups
| Total population | Physical abuse | Physical abuse-excluded | ||||
|---|---|---|---|---|---|---|
| Mean number of bruises (SD) (range) | Mean number of regions with bruises (SD) (range) | Mean number of bruises (SD) (range) | Mean number of regions with bruises (SD) (range) | Mean number of bruises (SD) (range) | Mean number of regions with bruises (SD) (range) | |
| Baby | 2.5 (3.2) (0, 22) | 1.6 (1.4) (0, 6) | 2.8 (3.5) (0, 22) | 1.6 (1.5) (0, 6) | 1.3 (1.8) (0, 7) | 0.8 (0.8) (0, 3) |
| Early mobile | 2.6 (2.9) (0, 14) | 1.3 (1.3) (0, 8) | 3.8 (3.3) (0, 14) | 1.8 (1.5) (0, 8) | 1.2 (1.4) (0, 5) | 0.8 (1.) (0, 4) |
| Walking | 4.9 (6.0) (0, 39) | 2.4 (2.1) (0, 12) | 6.2 (6.7) (0, 39) | 2.8 (2.3) (0, 12) | 2.1 (2.2) (0, 14) | 1.4 (1.2) (0, 6) |
| Total | 3.9 (5.1) (0, 39) | 2 (1.9) (0, 12) | 4.9 (5.8) (0, 39) | 2.3 (2.1) (0, 12) | 1.7 (2) (0, 14) | 1.1 (1.1) (0, 6) |