Table 4.

Coefficient estimates from a nonlinear mixed‐effects model with repeated measures predicting Caregiver Reports of Infant Early Development (CREDI) between 12 and 52 weeks

	CREDI a
	Est	SE	t	P
Intercept	45.23	0.25	3036.03	0.00
Milk thiamine at 2 weeks	0.02	0.00	3.14	0.00
Time
12–52 weeks	15.93	0.24	65.95	0.00
24–52 weeks	9.76	0.23	42.45	0.00
Tx thiamine dosage b	−0.01	0.03	−0.23	0.82
Time * Tx thimaine dosage
12–52 weeks * dosage level	0.02	0.05	0.39	0.70
24–52 weeks * dosage level	0.03	0.04	0.63	0.53

Note: Table results based on nonlinear mixed‐effects models with repeated measures. Significant effects are presented in bold font.

^a CREDI, Caregiver Report of Early Development Index.

^b Tx thiamine dosage = thiamine supplementation dosages used in treatment trial (0, 1.2, 2.4, and 10 mg/daily).