Head injury mortality rates by age and Carstairs deprivation categories in the 0–14 years age group in Scotland (1986–95); with linear regression results (adjusted R2 and associated p value)
Age group and deprivation category* | Mean annual population estimates (based on 1991 census) | 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 |
---|---|---|---|---|---|---|
*Deprivation categories represent: depcat 1–2 – most affluent, depcat 3–5 – intermediate, depcat 6–7 – least affluent. | ||||||
0–4 years | ||||||
Depcat 1–2 | 59 954 | 3.3 | 1.7 | −48% | −10 (−0.3) | 0.486 |
Depcat 3–5 | 194 681 | 2.1 | 2.3 | +10% | −3 (0.2) | 0.420 |
Depcat 6–7 | 62 601 | 8.8 | 1.6 | −82% | 82 (−1.8) | 0.022 |
5–9 years | ||||||
Depcat 1–2 | 63 256 | 0.8 | 0.8 | −31 (−0.1) | 0.846 | |
Depcat 3–5 | 193 610 | 5.2 | 1.6 | −69% | 45 (−0.8) | 0.129 |
Depcat 6–7 | 60 728 | 4.1 | 1.7 | −59% | 75 (−0.7) | 0.037 |
10–14 years | ||||||
Depcat 1–2 | 65 508 | 3.1 | 0.8 | −74% | 11 (−0.5) | 0.308 |
Depcat 3–5 | 191 641 | 5.2 | 2.4 | −54% | 17 (−0.5) | 0.271 |
Depcat 6–7 | 54 818 | 7.3 | 4.6 | −37% | 33 (−0.7) | 0.182 |
Total (0–14 years) | ||||||
Depcat 1–2 | 188 718 | 2.4 | 1.9 | −21% | −7 (−0.1) | 0.450 |
Depcat 3–5 | 579 872 | 4.1 | 2.1 | −49% | 31 (−0.4) | 0.192 |
Depcat 6–7 | 178 147 | 6.7 | 2.5 | −63% | 85 (−1.1) | 0.016 |