Table 3.

Differences between baseline and end line MUAC and gestational weight gain and differences in the DID between the intervention and control groups among pregnant adolescents in West Arsi, central, Ethiopia, 2022- 2023.

Variable	Study period	Intervention group Mean (± SD)	Comparison group Mean (± SD)	DID Mean (± SD)
MUAC	Baseline	23.19 ± 2.1	23.49 ± 2.1	1.89 ± 2***
	End-line	25.06 ± 2.9	23.56 ± 2.0
	Difference (EL-BL)	1.87 ± 1.67	0.7 ± 0.4
Gestational weight gain	Baseline	51.54 ± 4.7	52.86 ± 5.27	4.23 ± 0.34**
	End-line	60.98 ± 4.6	58 ± 5.3
	Difference (EL-BL)	9.44 ± 4.48	5.14 ± 3.7

BL baseline, EL end-line, SD standard deviation, CI confidence interval, MUAC mid‐upper arm circumference; **p < 0.01; ***p < 0.001.