Table 3.

Nested cohort analysis (n 1216) to investigate the associations between dietary behaviours and improved educational outcomes among Year 5 and 6 students aged 9–11 years participating in the cluster-randomised controlled trial of the Welsh Government’s Primary School Free Breakfast Initiative for whom dietary behaviour is available at baseline and follow-up

	OR	Lower CI	Upper CI
Consumption of breakfast
Baseline	1·61	1·24	2·47
Follow-up	2·02	1·44	2·84
Healthy breakfast items
Baseline	1·11	1·03	1·19
Follow-up	1·11	1·03	1·19
Unhealthy breakfast items
Baseline	1·18	0·94	1·48
Follow-up	1·01	0·81	1·26
Sweets and crisps (rest of day)
Baseline	1·41	1·23	1·62
Follow-up	1·42	1·24	1·64
Fruit and vegetables (rest of day)
Baseline	1·28	1·08	1·52
Follow-up	1·25	1·07	1·47

Significant results are highlighted in bold.