Sexual satisfaction in older women is associated with successful aging and a better quality of life, a new study finds. Researchers looked at information gathered from over 1,200 San Diego women, aged 60 to 89, and found that satisfaction with overall sex life was reported by 67 percent of those aged 60 to 69; 60 percent of those aged 70 to 79; and 61 percent of those aged 80 to 89.