Number of head injury deaths and head injury mortality rates by age and male/female rates ratio in the 0–14 years age group in Scotland (1986–95); with linear regression results (adjusted R2 and associated p value)
Mean annual population (000s) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Age (y) | 86–95 | 86–87 | 94–95 | 1986–1995 Total deaths (%) Mean annual rate per 100 000 | Rates ratio male:female | Mortality rate per 100 000 1986/87 | Mortality rate per 100 000 1994/95 | Difference 1986/87– 1994/95 | Adjusted R2 (%) (regression coefficient) | Associated p value |
0–4 | 324.1 | 322.9 | 322.9 | 106 (37) 3.3 | 1.4:1 | 4.0 | 2.0 | −50% | 46 (−0.4) | 0.127 |
5–9 | 321.7 | 315.9 | 326.6 | 75 (26) 2.3 | 2.1:1 | 4.1 | 1.4 | −66% | 82 (−0.7) | 0.022 |
10–14 | 320.3 | 334.6 | 323.2 | 109 (38) 3.4 | 1.8:1 | 4.9 | 2.9 | −41% | 41 (−0.4) | 0.145 |
Total (0–14) | 966.1 | 973.4 | 972.7 | 290 (100) 3.0 | 1.7:1 | 4.4 | 2.1 | −52% | 78 (−0.5) | 0.030 |