Tableofedubym1yr1
edu(education (1=1-8, 2=9-11, 3=12+))	m1yr1(t1: mammogram in the last year?)
0	1	Total
1	276 17.09 71.88 31.12	108 6.69 28.13 14.84	384 23.78
2	246 15.23 59.85 27.73	165 10.22 40.15 22.66	411 25.45
3	365 22.60 44.51 41.15	455 28.17 55.49 62.50	820 50.77
Total	887 54.92	728 45.08	1615 100.00
FrequencyMissing=13

Q.1.What percentage of all women had both less than a 9th grade education and reported a mammogram?

q.2.What is the prevalence of mammography use among women with less than a 9th grade education?

q.3.What is the prevalence difference for mammography use comparing women with at least a high school degree (Index group) versus women with less than a 9th grade education (referent)?

q.4,What is the prevalence ratio for mammography use comparing women with at least a high school degree (Index group) versus women with less than a 9th grade education (referent)?