Table 5 Bivariable and multivariable generalized linear model Analysis for factors associated with birthweight among newborns delivered in in Ambo district, Ethiopia, 2018

Study group

Control

237(81.2)

55(18.8)

1

1

Intervention

278(92.1)

24(7.9)

0.422(0.269–0.663)

0.381(0.271–0.737)*

Religion

Protestant

233(89.6)

27(10.4)

1

1

Orthodox

227(83.8)

44(16.2)

1.563 (0.999–2.447)

1.648(1.045–2.598)*

Others

55 (87.3)

8 (12.7)

1.223(0.584–2.561)

0.998(0.491–2.028)

Age of pregnant women

18–24 years

134(26.0)

9(11.4)

1

1

25–34 years

342(66.4)

64(81.0)

2.505(1.280–4.901)

1.603(0.735–3.496)

>=35 years

39(7.6)

6(7.6)

2.119(0.797–5.629)

1.269(0.404–3.983)

Age at marriage

< 18 years

104(20.2)

10(12.7)

1

1

18–24 years

387(75.1)

63(79.7)

1.596(0.846–3.011)

1.300(0.511–3.311)

> 24 years

24(4.7)

6(7.6)

2.280(0.901–5.772)

1.339(0.706–2.538)

Respondent educational status

No formal education

182(80.9)

43(19.1)

1

1

Primary education

116(85.3)

20(14.7)

0.769(0.473–1.251)

0.875(0.516–1.485)

Secondary and above education

217(93.1)

16(6.9)

0.359(0.209–0.619)

0.524(0.261–1.053)

Household size

<=2household

73(91.3)

7(8.8)

1

1

3–4 household

192(86.1)

31(13.9)

1.589(0.729–3.464)

0.982(0.429–2.251)

>=5 household

250(85.9)

41(14.1)

1.610(0.751–3.451)

0.635(0.254–1.588)

Gravidity

<=2 pregnancy

167(89.8)

19(10.2)

1

1

3–4 pregnancy

235(86.1)

38(13.9)

1.363(0.812–2.288)

0.804(0.426–1.516)

>=5 pregnancy

113(83.7)

22(16.3)

1.595(0.900-2.828)

1.121(0.508–2.472)

Gap duration between pregnancy

1st pregnancy

83(91.2)

8(8.8)

1

2nd pregnancy

180(85.7)

30(14.3)

1.625(0.775–3.406)

1.129(0.513–2.484)

>=3rd pregnancy

252(86.0)

41(14.0)

1.592(0.775–3.270)

1.154(0.539–2.468)

Wealth status

Low

155(30.1)

17(21.5)

1

1

Medium

229(44.5)

38(48.1)

1.440(0.840–2.468)

1.118(0.642–1.948)

High

131(25.4)

24(30.4)

1.567(0.875–2.804)

1.371(0.757–2.484)

Estimated time to reach Health institution

< 30 min

116(90.6)

12(9.4)

1

1

30–60 min

203(87.1)

30(12.9)

1.373(0.729–2.588)

1.487(0.779–2.839)

>=60 min

196(84.1)

37(15.9)

1.694(0.916–3.131)

1.607(0.843–3.064)

Knowledge on nutrition and health

Poor Knowledge

260(50.5)

59(74.7)

1

1

Good Knowledge

255(49.5)

20(25.3)

0.393(0.243–0.636)

0.638(0.351–1.158)

Attitude towards nutrition and health

Unfavorable Attitude

322(62.5)

59(74.7)

1

1

Favorable Attitude

193(37.5)

20(25.3)

0.606(0.376–0.979)

1.379(0.782–2.431)

Nutrition and health Practice

Suboptimal

221(42.9)

59(74.7)

1

1

Optimal

294(57.1)

20(25.3)

0.302(0.187–0.489)

0.365(0.253–0.688)*

MUAC of pregnant women

< 23 cm

74(14.4)

44(55.7)

1

1

> =23 cm

441(85.6)

35(44.3)

0.197(0.133–0.293)

0.28(0.19–0.523)*