SEVERITY OF ASTHMA SYMPTOMS IN PAST FOUR WEEKS

Q10b.  How often (have you/has your child) had these [sudden severe] episodes             in the past 12 months? Q18.    How many times in a typical week (do you/does your child) experience             asthma symptoms? Q19b.  How often in the past four weeks (did you/did your child) have these             symptoms during the daytime? Q19c.  How many times a day (do you/does your child) get these symptoms? Q20b.  How often (do you/does your child) have these symptoms during exercise,             play or physical exertion? Q21b.  How often (do you/does your child) have these symptoms at night?             Unweighted N=801