TABLE 3.

Prevalence of Independent Risk Factors by Phase of Survey, NHANES III, 1988–1994

Phase I (1988–1991)Phase II (1991–1994)RR95% CIP Value
Child care use27.5%30.6%1.1(.9, 1.3).22
Stuffy, itchy, runny nose past 12 mo67.5%63.0%0.9(.8, 1.04).17
Watery, itchy eyes past 12 mo29.8%31.7%1.0(.9, 1.1).34
Early breastfeeding termination72.5%70.8%1.0(.8, 1.1).64
Asthma5.7%6.1%1.0(.9, 1.2).62
Access to health care94.4%95.4%1.1(.8, 1.5).44