Mean difference between 2002 and 2012 | |||
---|---|---|---|
Centres in supplement† | All other centres | p Value* | |
BMI percentile | 16.7 | 10.0 | 0.005 |
FEV1 (% predicted) | 10.9 | 5.9 | 0.07 |
*t test.
†Med College of Wisconsin, Children's Hospital of Atlanta, Arkansas Children's Hospital, Monmouth Medical Center, Cincinnati Children's Medical Center, University of California, San Francisco, Lurie Children's Hospital of Chicago, Children's of Alabama.
BMI, body mass index; FEV1, forced expiratory volume in 1 s.