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. 1999 Mar 6;318(7184):642–646. doi: 10.1136/bmj.318.7184.642

Table 4.

Mean annual consultation rates per child per year by social class for infectious diseases, asthma, and accidents and poisoning

Social class Infectious diseases
Asthma
Accidents and poisoning
Rate Rate ratio (95% CI) Rate Rate ratio (95% CI) Rate Rate ratio (95% CI)
I-II* 0.35 0.18 0.17
III non-manual 0.42 1.19 (1.11 to 1.27) 0.20 1.12 (1.00 to 1.25) 0.18 1.07 (0.99 to 1.16)
III manual 0.42 1.22 (1.16 to 1.27) 0.21 1.18 (1.08 to 1.27) 0.20 1.15 (1.09 to 1.21)
IV-V 0.50 1.44 (1.11 to 1.77) 0.20 1.13 (1.02 to 1.23) 0.21 1.19 (1.12 to 1.26)
Other 0.48 1.38 (1.23 to 1.53) 0.18 0.99 (0.75 to 1.22) 0.20 1.17 (1.02 to 1.33)
Not known 0.24 0.70 (0.62 to 0.67) 0.08 0.44 (0.38 to 0.51) 0.11 0.67 (0.59 to 0.75)
*

Baseline group.