Table 3 Linear regression models predicting for verbal KBIT score at 4.5 years of age
` | Predictors | ß | 95% CI for B | p-value |
|---|---|---|---|---|
Model 1 (Maternal and pregnancy related variables) | Maternal education (Ref: High School and below) | 7.92 | 4.59 to 11.24 | < 0.001 |
Antenatal maternal mood | −5.31 | −10.60 to −0.02 | 0.05 | |
Smoking during pregnancy | −4.67 | −8.50 to − 0.82 | 0.02 | |
Birth weight | −0.58 | −1.79 to 0.62 | 0.34 | |
Birth Order | −2.13 | −3.60 to −0.67 | 0.04 | |
Gestational Age (weeks) | −0.41 | −1.49 to 0.68 | 0.46 | |
Model 2 (child- related variables) | Female gender | 2.93 | −1.46 to 7.33 | 0.19 |
TV viewing at 12 months (hours per day) | −0.33 | −3.60 to −1.00 | 0.001 | |
Bayley Cognitive score | 0.30 | 0.12 to 0.48 | 0.001 | |
Bedtime reading | 6.56 | 1.70 to 11.43 | 0.009 | |
Presence of Breastfeeding | 4.81 | −1.07 to 10.69 | 0.10 | |
Final adjusted model | Maternal Education | 4.94 | 0.10 to 9.97 | 0.05 |
Antenatal maternal mood | −9.83 | −18.94 to −0.72 | 0.04 | |
Smoking during pregnancy | −0.93 | −7.08 to 5.21 | 0.76 | |
Birth order | −1.67 | −4.05 to 0.70 | 0.17 | |
TV viewing at 12 months (hours per day) | −1.78 | −3.22 to −0.32 | 0.02 | |
Bayley cognitive score | 0.22 | 0.03 to 0.42 | 0.03 | |
Bedtime reading | 5.36 | 0.26 to 10.45 | 0.04 | |
Presence of Breastfeeding | 3.76 | −2.49 to 10.01 | 0.24 |