Table 1

Relative risk of child injuries of different severity (95% CI), estimated using the odds ratio, in the study and control areas after the program implementation

Study areaControl area
1983–8419891983–841989
Minor (AIS 1)
    Injured794694NANA
    Non-injured77727621
    Odds ratio (CI)0.89 (0.80 to 0.99)
Moderate (AIS 2)
    Injured444215NANA
    Non-injured81228100
    Odds ratio (CI)0.49 (0.41 to 0.57)
Severe (AIS 3–6)
    Injured2126NANA
    Non-injured85458289
    Odds ratio (CI)1.28 (0.72 to 2.27)
Not classified
    Injured15
Total
    Injured1260940610537
    Non-injured7306737549334659
    Odds ratio (CI)0.74 (0.68 to 0.81)0.93 (0.82 to 1.05)