Relative | Absolute (per 100000) | ||||
---|---|---|---|---|---|
SRR (95%CI) | RII (95%CI) | SRD (95%CI) | SII (95%CI) | ||
SRR and SRD are for low/high for each variable, RII and SII include all children with the socioeconomic variable. *Occupational class comparisons are restricted to children with at least one adult in the household in the labour force. | |||||
Income | 1981–84 | 1.4 (1.1 to 1.8) | 1.5 (1.0 to 2.2) | 13 (3 to 23) | 15 (1 to 29) |
1986–89 | 1.4 (1.0 to 1.8) | 1.6 (1.0 to 2.4) | 12 (1 to 22) | 15 (0 to 29) | |
1991–94 | 1.5 (1.1 to 2.1) | 1.8 (1.1 to 3.0) | 11 (2 to 19) | 15 (3 to 28) | |
1996–99 | 1.6 (1.2 to 2.1) | 1.8 (1.1 to 2.9) | 11 (4 to 17) | 14 (8 to 20) | |
p (trend) | 0.09 | 0.06 | 0.08 | 0.12 | |
Education | 1981–84 | 1.9 (1.4 to 2.6) | 2.2 (1.5 to 3.4) | 21 (12 to 29) | 29 (13 to 45) |
1986–89 | 1.0 (0.8 to 1.3) | 1.0 (0.7 to 1.6) | 0 (−9 to 9) | 1 (−17 to 19) | |
1991–94 | 1.5 (1.1 to 1.9) | 2.0 (1.3 to 3.0) | 11 (4 to 18) | 17 (6 to 28) | |
1996–99 | 1.4 (1.1 to 1.8) | 1.7 (1.1 to 2.6) | 9 (2 to 17) | 13 (3 to 22) | |
p (trend) | 0.77 | 0.89 | 0.62 | 0.57 | |
Occupational class * | 1981–84 | 1.2 (0.9 to 1.4) | 1.7 (1.2 to 2.6) | 5 (−2 to 13) | 19 (1 to 36) |
1986–89 | 0.9 (0.7 to 1.1) | 0.9 (0.6 to 1.4) | −3 (−10 to 5) | −2 (−10 to 6) | |
1991–94 | 1.6 (1.2 to 2.1) | 2.4 (1.3 to 4.4) | 11 (5 to 18) | 20 (1 to 38) | |
1996–99 | 1.2 (0.9 to 1.6) | 1.4 (0.9 to 2.3) | 5 (−1 to 11) | 8 (−3 to 19) | |
p (trend) | 0.60 | 0.99 | 0.71 | 0.84 |