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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