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

Table 3.

Mean annual consultation rates per child per year by social class for illness episodes and severity of illness

Social class Minor illness
Moderate illness
Serious illness
Rate Rate ratio (95% CI) Rate Rate ratio (95% CI) Rate Rate ratio (95% CI)
I-II* 1.87 1.45 0.23
III non-manual 2.13 1.14 (1.09 to 1.20) 1.57 1.08 (1.04 to 1.12) 0.26 1.13 (1.02 to 1.24)
III manual 2.07 1.11 (1.08 to 1.14) 1.60 1.11 (1.08 to 1.14) 0.27 1.21 (1.12 to 1.29)
IV-V 2.21 1.18 (1.14 to 1.23) 1.71 1.18 (1.07 to 1.28) 0.27 1.18 (1.08 to 1.27)
Other 2.25 1.20 (1.13 to 1.28) 1.67 1.15 (1.08 to 1.22) 0.24 1.04 (0.82 to 1.27)
Not known 1.39 0.74 (0.69 to 0.80) 0.91 0.63 (0.55 to 0.70) 0.13 0.57 (0.50 to 0.63)
*

Baseline group.