Multiple Any combination of After controlling for regression variables to predict baby gestational age, does length mothers pre-pregnancy weight have an effect on birthweight Logistic regression Predicting probability of low birth weight (binary low < 6lbs) using any independent variables Chi-squared Is there a relationship Is a relationship between smoking and low between over 35’s and low baby weight? (use binary baby weight? (use binary variables for both) variables for both) Checking Baby weight is normally normality distributed. Number of cigarettes smoked per day is not. Cluster analysis Cluster analysis on the variables shows a clear split on variables relating to the babies and the parents
Multiple regression Any combination of variables to predict baby length After controlling for gestational age, does mothers pre-pregnancy weight have an effect on birthweight Logistic regression Predicting probability of low birth weight (binary low < 6lbs) using any independent variables Chi-squared Is there a relationship between smoking and low baby weight? (use binary variables for both) Is a relationship between over 35’s and low baby weight? (use binary variables for both) Checking normality Baby weight is normally distributed. Number of cigarettes smoked per day is not. Cluster analysis Cluster analysis on the variables shows a clear split on variables relating to the babies and the parents
Birthweight_data_description.docx