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Table 3 Estimated effect of attending a selective secondary school on confounding variables

From: The long-term health effects of attending a selective school: a natural experiment

 Effect size95% CIp valuenBandwidth
IQ age 9−0.14(− 1.49 to 1.21)0.84344177
Boy−0.01(− 0.08 to 0.06)0.824330111
Father non-manual occupation0.02(− 0.05 to 0.09)0.63357079
Linked to NHS records0.00(− 0.03 to 0.03)0.934892163