Question:

Table 7.46 displays descriptive statistics on the subjects involved in the study described in the previous problem. Are any of the characteristics significantly different between groups? Justify briefly (hint: NO calculations, just an interpretation)

Table 7.46 Descriptive Statistics by Treatment

New Compound Placebo p-value

Median age (yrs) 47.2 46.1 0.7564

Men (%) 44 59 0.0215

Mean educational level (years) 13.1 14.2 0.6898

Mean annual income $36,560 $37,470 0.3546

Mean body mass index (BMI) 24.7 25.1 0.0851