Table 3.

Free-T4 (pmol/L) pre- and post-Ramadan for the 3-randomization groups with at least 1 complete data point

Free-T4 change pre- to post-Ramadan, pmol/L
instruction groups	N	25th percentile		50th percentile		75th percentile
		pre	post	pre	post	pre	post
(1) 30 min before Iftar	41		17.7		18.19		18.71
(2) 3 h post-Iftar	40	15.80	17.11	18.30	18.01	20.93	18.94
(3) 30 min before Suhur	41		17.3		17.42		17.55*

Equated pre-Ramadan values at 25th, 50th, and 75th percentiles and magnitude of change calculated using the mixed-effects regression model from online suppl. Table 2. Free-T4 reference range 10.0–23.0 pmol/L. Free-T4, free thyroxine.

^*p values for pre-to post-Ramadan free-T4 <0.05.