Table 1 Socio-demographic characteristics of the sample, 1991
Characteristics | Index group | Comparison group | OR (95% CI) and p value |
|---|---|---|---|
(no disabling chronic condition 1991 but onset of disabling chronic condition by 2001) | (no disabling chronic condition 1991 or 2001) | ||
n = 2049 | n = 50790 | ||
Sex: | Â | Â | Â |
Boys | 1131 (55·2%) | 25794 (50·8%) | 1.20 (1.10,1.31) |
Girls | 918 (44·8%) | 24996 (49·2%) | p<0·001 |
Mean age (2001) | 14·7 | 14·56 | 1.02 (1.01,1.03) |
p<0·01 | |||
Ethnicity: | Â | Â | Compared with White: |
White | 1878 (91·7%) | 46926 (92·4%) | 0.98 (0.91,1.07) |
Black | 117 (5.7%) | 2616 (5·2%) | p<0.1917 |
Indian | 11 (0·5%) | 241 (0·5%) | |
Pakistani/Bangladeshi | 27 (1·3%) | 769 (1·5%) | |
Other | 16 (0·8%) | 236 (0·5%) | |
Family status in 2001: | Â | Â | |
Lone parent household | 328 (16·0%) | 5718 (11·3%) | 1.55 (1.41,1.71) |
p<0·001 | |||
Socio-economic Disadvantage Index in 1991: | Â | Â | Â |
Disadvantaged in 3 | 169 (8·2%) | 2337 (4·6%) | 2·20(1·86,2·59) |
Disadvantaged in 2 | 258 (12·6%) | 4114 (8·1%) | 1·49(1·25,1·79) |
Disadvantaged in 1 | 504 (24·6%) | 10405 (20·5%) | 1·15(0·94,1·41) |
Not disadvantaged | 1118 (54·6%) | 33934 (66·8%) | 1(reference) |
p<0·001 (linear trend) |