A study used the 1998 Behavioral Risk Factors Social Survey to consider factors associated with women’s use of oral contraceptives in the United States. Table 5.13 summarizes effects for a logistic regression model for the probability of using oral contraceptives. Each predictor uses a dummy variable, and the table lists the category having dummy outcome 1. Interpret effects. Construct and interpret a confidence interval for the conditional odds ratio between contraceptive use and education.
TABLE 5.13 Data for Problem 5.8
Variable
Coding =1 if:
Estimate
SE
Age
35 or younger
-1.320
0.087
Race
White
0.622
0.098
Education
1≥year college
0.501
0.077
Marital status
Married
-0.460
0.073
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