TABLE 4

Mean Number of WCC or Other Visits During 3 Age Periods

Visit TypeAge PeriodMonroe County (Rochester)Davidson County (Nashville)
Pre- PCV7Post- PCV7PPre- PCV7Post- PCV7P
Mean No. of WCC visits0–6 mo3.5073.546.2533.1443.113.280
7–12 mo1.7281.714.4271.3901.364.756
13–18 mo1.4931.511.5300.9960.987.902
Mean No. of other visits0–6 mo3.2843.624.0522.7572.759.090
7–12 mo2.6192.542.0512.2662.290.370
13–18 mo2.8352.648.3412.4302.249.642