Table 3 Bivariable and multivariable logistic regression output showing that factors associated with undernutrition among pregnant and lactating mothers in war-affected areas, Central Gondar Zone, Northwest Ethiopia, 2022

Age of the mothers

18–25

111(30.7%)

250(69.3%)

1

1

26–30

169(36.7%)

291(63.3%)

0.77(0.57,1.03)

0.73(0.54, 0.99)*

31–40

193(35%)

359(65%)

0.83(0.62,1.09)

0.78(0.58, 1.05)

41–45

62(33.2%)

125(66.8%)

0.89(0.61, 1.31)

0.86(0.57, 1.28)

Marital Status

Married

442(33.4%)

880(66.6%)

1

1

Unmarried

93(39.1%)

145(60.9%)

0.89(0.69, 1.26)

0.82(0.61, 1.14)

Educational status of the mother

Unable to read and write

377(34.2%)

726(65.8%)

1.95(0.63, 6.09)

1.88(0.59, 5.97)

Able to read and write

99(35.1%)

183(64.9%)

1.90(0.60, 6.07)

1.73(0.54, 5.60)

Primary Education

53(32.5%)

110(67.5%)

2.14(0.66, 6.94)

2.01(0.61, 6.61)

Secondary education and above

6(50%)

6(50%)

1

1

Family size

<=2

72(37.9%)

118(62.1%)

3–5

323(33.3%)

647(66.7%)

1.22(0.89, 1.69)

1.20(0.89, 1.77)

6–8

123(33.2%)

247(66.8%)

1.23(0.85, 1.76)

1.21(1.03, 1.82)*

>=9

17(56.7%)

13(43.3%)

0.47(0.21, 1.02)

0.44(0.19, 0.97)*

Numbers of meals per day(times)

<=2

157(34.3%)

301(65.7%)

1.33(0.88, 2.02)

1.32(0.89, 2.11)

3

330(33.5%)

655(66.5%)

1.38(0.93, 2.04)

1.36(0.93, 2.05)

4–6

48(41%)

69(59%)

1

1

Physiological state

Lactating

304(32.9%)

620(67.1%)

1.16(0.94, 1.44)

0.87(0.70, 1.08)

Pregnant

231(36.3%)

405(63.7%)

1

1