Results stratified by age group [posted as supplied by author]

Children aged 0�11 years

National Statistics Socio-Economic Classification (NS-SEC) eight-class version	Deaths 2001�03	Population 2001	Rate (95% CI) per year per 100,000	Rate ratio (95% CI)
1. Higher managerial & professional occupations	52	1,122,934	1.5 (1.2 to 2.0)	Referent
2. Lower managerial & professional occupations	63	1,719,444	1.2 (0.9 to 1.6)	0.79 (0.55 to 1.14)
3. Intermediate occupations	35	511,751	2.3 (1.6 to 3.2)	1.48 (0.96 to 2.27)
4. Small employers & own account workers	58	865,982	2.2 (1.7 to 2.9)	1.45 (0.99 to 2.10)
5. Lower supervisory & technical occupations	64	834,660	2.6 (2.0 to 3.3)	1.66 (1.15 to 2.39)
6. Semi-routine occupations	83	909,432	3.0 (2.4 to 3.8)	1.97 (1.39 to 2.79)
7. Routine occupations	112	883,874	4.2 (3.5 to 5.1)	2.74 (1.97 to 3.80)
8. Never worked or long-term unemployed	252	383,206	21.9 (19.3 to 24.8)	14.20 (10.54 to 19.14)
Not classified	1
Total	720	7,231,283	3.3 (3.1 to 3.6)

Children aged 12�15 years

National Statistics Socio-Economic Classification (NS-SEC) eight-class version	Deaths 2001�03	Population 2001	Rate (95% CI) per year per 100,000	Rate ratio (95% CI)
1. Higher managerial & professional occupations	33	334,183	3.3 (2.3 to 4.6)	Referent
2. Lower managerial & professional occupations	48	584,385	2.7 (2.0 to 3.6)	0.83 (0.53 to 1.30)
3. Intermediate occupations	24	176,183	4.5 (2.9 to 6.8)	1.38 (0.82 to 2.33)
4. Small employers & own account workers	47	327,838	4.8 (3.5 to 6.4)	1.45 (0.93 to 2.27)
5. Lower supervisory & technical occupations	27	282,563	3.2 (2.1 to 4.6)	0.97 (0.58 to 1.61)
6. Semi-routine occupations	65	320,866	6.8 (5.2 to 8.6)	2.05 (1.35 to 3.12)
7. Routine occupations	68	305,571	7.4 (5.8 to 9.4)	2.25 (1.49 to 3.42)
8. Never worked or long-term unemployed	131	119,544	36.5 (30.5 to 43.3)	11.10 (7.58 to 16.26)
Not classified	0
Total	443	2,451,133	6.0 (5.5 to 6.6)