Module Six Worksheet Identification of Methods and Interpretation of Result

Prompt:

Review Table 1 below and then complete the Module Six Worksheet steps.

Note: the chi-square (c²) test is covered in Module Seven.

Table 1: Characteristics of Women According to Intake of Alcohol

Note: intake of alcohol was during pregnancy except for pre-pregnancy BMI comparison where drinking status was also pre-pregnancy.

*Continuous variables presented by mean + standard deviation, categorical variables as %

** Test statistic is either a c² value or a t-value

Reference:Dale, M. T. G., Bakketeig, L. S., and Magnus, P. (2016). Alcohol consumption among first-time mothers and the risk preterm birth: A cohort study. Annals of Epidemiology 26,275-282

Steps:

For this assignment, complete the following steps:

1. Complete the worksheet by replacing the bracketed text with the relevant information. Use Table 1 as your source of information. Use the provided completed cells in the matrix to help you fill in the rest of the cells.

1. Write out a complete answer to each of the four research questions stated in the matrix. Be sure to state what is being compared and what group or groups did better and by how much. Also, state if the difference was statistically significant or not.
2. Were the values of BMI more varied among the women who drank or did not drink prior to getting pregnant? Explain how you know this.
3. Upload and submit your completed worksheet assignment.