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Table 2 Univariate linear regression analysis of determinants of Bayley scores at 15 months of age in 137 children in rural Tanzania

From: Determinants of early child development in rural Tanzania

Determinants at 6 months

Bayley scores at 15 months

Cognitive score

Language score

Fine motor score

Gross motor score

Total score

 

Beta

p

Beta

p

Beta

p

Beta

p

Beta

p

Gendera

0.18

0.03

0.12

0.15

0.11

0.21

0.05

0.58

0.18

0.04

Tribeb

0.04

0.69

0.14

0.12

0.08

0.36

0.02

0.84

0.10

0.26

Nutritional status

 Length-for-age z-score

0.05

0.56

0.05

0.56

0.11

0.22

0.03

0.77

0.06

0.50

 Weight-for-age z-score

0.01

0.95

0.05

0.60

0.01

0.91

0.18

0.03

− 0.03

0.73

 Weight-for-length z-score

0.02

0.80

0.03

0.77

0.09

0.28

0.19

0.03

− 0.07

0.42

Socioeconomic status

 WAMI index

0.17

0.05

0.02

0.83

0.04

0.67

0.06

0.46

0.12

0.18

 Sanitation

0.01

0.92

0.07

0.40

0.00

0.99

0.10

0.26

0.06

0.51

 Assets

0.21

0.01

0.03

0.76

0.06

0.49

0.000

1.00

0.10

0.25

 Maternal education

0.08

0.35

0.01

0.92

0.03

0.75

0.10

0.27

0.08

0.39

 Monthly income

0.20

0.02

0.03

0.72

0.03

0.71

0.05

0.60

0.08

0.39

Home environment

 Emotional and verbal responsivity

0.05

0.60

0.09

0.28

0.06

0.50

0.05

0.53

0.06

0.49

 Organization

0.12

0.17

0.05

0.58

0.09

0.28

0.07

0.42

0.07

0.42

 Opportunities

0.04

0.67

0.08

0.38

0.05

0.55

0.07

0.39

− 0.08

0.34

 Cleanliness of child

0.15

0.08

0.15

0.09

0.05

0.60

0.16

0.07

− 0.19

0.02

  1. Beta is the regression co-efficient
  2. aIn the regression model male = 1 and female = 2
  3. bIn the regression model Iraqw = 1 and others = 2