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Table 3 Factors associated with Low Birth Weight (N = 6386)

From: A comparative analysis of determinants of low birth weight and stunting among under five children of adolescent and non-adolescent mothers using 2015/16 Tanzania Demographic and Health Survey (TDHS)

 

N

n (%)

OR (95% CI)

aAOR (95%CI)

Maternal age (Years)

 Adolescents (15–19)

459

66 (14.3)

1

1

 Adults (20 +)

5927

376 (6.3)

0.41 (0.29–0.57)

0.34 (0.22–0.50)

Level of education

 No education

866

65 (14.8)

1

 

 Primary education

4220

294 (66.5)

0.91 (0.63–1.32)

 

 Secondary or higher education

1300

83 (18.7)

0.83 (0.55–1.26)

 

Wealth quintile

 Low SES

3292

226 (51.1)

1

 

 High SES

3094

216 (48.9)

1.02 (0.78–1.33)

 

Marital status

 Never married

458

44 (9.8)

1.62 (1.05–2.49)

1.23 (0.75–2.04)

 Married or living together

5129

316 (71.6)

1

1

 Divorced/ Separated/ Widowed

799

81 (18.4)

1.72 (1.23–2.42)

1.76 (1.24–2.50)

Place of residence

 Urban

2402

179 (40.4)

1

 

 Rural

3984

263 (59.6)

0.88 (0.67–1.16)

 

Maternal BMI

 Undernutrition

352

42 (9.6)

1.84 (1.23–2.75)

2.29 (1.43–3.67)

 Normal

4009

279(63.2)

1

1

 Overweight or obese

1989

120 (27.2)

0.86 (0.64–1.14)

0.99 (0.71–1.38)

At least 4 ANC visits

 No

2037

155 (53.0)

1

1

 Yes

2718

138 (47.0)

0.65 (0.50–0.83)

0.64 (0.49–0.83)

Child Sex

 Male

3266

197 (44.5)

1

1

 Female

3120

245 (55.5)

1.33 (1.07–1.68)

1.31 (0.98–1.75)

  1. N Total number of respondents, n Number of respondents with low-birth-weight babies, % row percent, AOR Adjusted odds ratio, OR Odds ratio, CI 95% Confidence interval, SES Socioeconomic status, BMI Body mass index, ANC Antenatal care
  2. a Adjusted for maternal age, marital status, maternal BMI, ANC attendance and child sex, 36 Non-adolescent women had missing height or weight measurement