Table 1

A comparison of the standardised death rates (SDR) for the capital city, the hinterland and the rest of the country for the North and South of Ireland, in 1981 and in 1991

North of Ireland
Belfast SDR (95% CI)Belfast Hinterland SDR (95% CI)Remainder of Northern Ireland SDR (95% CI)
1981499.6 (5.2)472.0 (5.1)473.7 (3.1)
Std rate ratio (99% CI)1.06 (1.02, 1.10)1.00 (0.97, 1.03)
1991409.1 (4.8)305.3 (3.6)369.5 (2.7)
Std rate ratio (99% CI)1.34 (1.28, 1.40)0.83 (0.80, 0.86)
South of Ireland
Dublin County Borough SDR (95% CI) Rest of Dublin County SDR (95% CI) Rest of South of Ireland SDR (95% CI)
1981453.0 (4.1)388.1 (4.7)445.4 (1.8)
Std rate ratio (99% CI)1.17 (1.12, 1.21)0.87 (0.84, 0.90)
1991412.3 (3.9)302.3 (3.7)368.0 (1.7)
Std rate ratio (99% CI)1.36 (1.31, 1.42)0.82 (0.80, 0.85)
  • 99% Confidence intervals have been used for the standardised rate radios because of the large number of possible comparisons.