Relationship between Health Status and Use of Screening Mammography and Papanicolaou Smears among Women Older Than 70 Years
of Age

Figure 3. Error bars represent 95% CIs. *Health status quartiles are defined by the Medical Outcomes Study 12-item Short Form
Physical Summary Scale (PCS-12). Quartile 1 = PCS-12 score > 51.7; quartile 2 = PCS-12 score ≤ 51.7 but > 43.4; quartile 3
= PCS-12 score ≤ 43.4 but > 31.6; quartile 4 = PCS-12 score ≤ 31.6.
Women in California who reported a screening Papanicolaou (Pap) smear within 3 years, according to health status and age (n=
2143).
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Ann Intern Med
May 4, 2004
vol. 140
no. 9
681-688