Crude and adjusted odds ratios (OR) for ALL comparing children with older siblings to children without older sibling, stratified by age groups.
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aunivariable conditional logistic regression model.b175 cases, 1382 controls.c130 cases, 1032 controls.d120 cases, 936 controls.ep values for trend were obtained including the variable continuously; the coding for number of older siblings was 0, 1, 2.fmultivariable conditional logistic regression adjusted for maternal age, paternal age and socio-economic status.
创建时间：
2015-12-02
