Table 1.

Baseline characteristics of trial babies^* according to whether they underwent one or two neonatal screening examinations before discharge from hospital. Values are numbers (percentages) of babies unless stated otherwise

Characteristic	One screen policy (n=4835)	Two screen policy (n=4877)
Boys	2424 (50.1)	2462 (50.5)
Mode of delivery:
Spontaneous cephalic	3441 (71.2)	3474 (71.2)
Assisted vaginal	680 (14.0)	647 (13.3)
Breech	43 (0.9)	46 (0.9)
Caesarean section	671 (13.9)	710 (14.6)
Mother previously nulliparous	2092 (43.3)	2089 (42.8)
Mean (SD) birth weight (g)	3460 (479)	3457 (479)

^*Data source: Scottish morbidity record 11.