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Table 1 Socio-demographic characteristics of the sample, 1991

From: Is the onset of disabling chronic conditions in later childhood associated with exposure to social disadvantage in earlier childhood? a prospective cohort study using the ONS Longitudinal Study for England and Wales

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:    
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:    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:   
Lone parent household 328 (16·0%) 5718 (11·3%) 1.55 (1.41,1.71)
p<0·001
Socio-economic Disadvantage Index in 1991:    
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)