Effect of nutrition education on hemoglobin level of pregnant women in Southeast Ethiopia: a cluster randomized controlled trial

Table 4 Multivariable GEE linear regression analyses predicting hemoglobin levels of pregnant women, Southeast Ethiopia, 2021 (N = 447)

Parameter	Control EL (N = 223)	Intervention EL (N = 224)	B	SE	95% CI	P
Cups, Mean (± SD)	2.36 (1.17)	2.72 (1.60)	-0.14	0.04	-0.23, -0.06	0.001*
Vitamin A-rich FV EL, Yes	146 (65.47)	165 (73.66)	0.18	0.14	-0.09, 0.45	0.20
Vitamin A-rich FV EL, No	77 (34.53)	59 (26.34)	0^a
IFAS EL, Yes	190 (85.20)	201 (89.73)	0.16	0.18	-0.19, 0.52	0.36
IFAS EL, No	33 (14.80)	23 (10.27)	0^a
Intervention group	-	-	0.29	0.13	0.01, 0.55	0.03*
Control group	-	-	0^a
Intervention effect	-	-	0.36	0.03	0.30, 0.43	0.001*

The model was adjusted for amount of tea or coffee consumption (continuous), vitamin A-rich fruit and vegetable (EL); IFAS (EL), group, time, and time * group
FV: Fruit and vegetable; IFAS: Iron-folic acid supplementation; CI: Confidence interval; time: Follow-up rounds, EL: End-line; 0^a: Reference; Intervention effect: Intervention * time 2; SE: Standard error; Maximum SE: 0.18

ISSN: 1471-2458