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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: J Asthma. 2018 May 17;56(3):285–295. doi: 10.1080/02770903.2018.1455854

Table 2.

Weighted measures of concordance between survey-based asthma cases and claims-based asthma cases

Percent Agreement
(%)		 Kappa Prevalence adjusted, bias-adjusted kappa Survey-based prevalence
(%)		 Claims-based prevalence
(%)		 Difference between prevalence estimates
Overall 89.9 0.55 0.80 14.6 10.6 4.0***
Race/Ethnicity
 Non-Hispanic White 89.7 0.52 0.79 14.2 10.1 4.1***
 Non-Hispanic Black 90.0 0.59 0.80 17.6 10.7 6.9***
 Non-Hispanic Other (Reference) 95.4 0.74 0.91 10.7 8.8 1.9
 Hispanic 89.2 0.49 0.78 12.3 11.8 1.5
Sex
 Boys (Reference) 88.6 0.53 0.77 16.4 11.9 4.5***
 Girls 91.3a 0.55 0.83 12.9 9.3 3.6**
Age
 3-10 years (Reference) 89.4 0.54 0.79 14.8 11.7 3.1***
 11-17 years 89.8 0.56 0.82 14.5 8.9 5.6***
Saw Selected Provider
 Seen in past 12 months (Reference) 89.4 0.55 0.79 15.7 11.4 4.3***
 Not seen in past 12 months 93.5a 0.42 0.87 7.4 4.5 2.9**
Received Care at Selected Location
 Care received in past year (Reference) 89.5 0.54 0.79 15.2 11.0 4.2***
 No care received in past year 96.3b 0.42 0.93 4.2 2.6 1.6
Allergies
 Present in past 12 months (Reference) 84.2 0.59 0.68 29.7 21.3 8.4***
 Not present in past 12 months 92.6c 0.44 0.85 8.2 6.1 2.1**
Other Health Conditions
 Present in past 12 months (Reference) 84.8 0.55 0.70 25.4 17.0 8.4***
 Not present in past 12 months 91.3c 0.54 0.83 11.8 9.0 2.8**
Child Respondent
 Parent 90.0 0.55 0.80 14.7 11.0 3.7***
 Other adult 89.6 0.48 0.79 14.2 8.1 6.2***

Notes: Selected providers include: generalist (pediatrician, family medicine doctor, internal medicine doctor), specialist, mental health professional (psychiatrist, psychologist, psychiatric nurse, or clinical social worker), therapist (physical therapist, speech therapist, respiratory therapist, audiologist, or occupational therapist); selected locations include: doctor’s office or clinics, hospital emergency room, home; selected allergies include: hay fever, any kind of respiratory allergy, any kind of food or digestive allergy, eczema or skin allergy; selected other health conditions include frequent diarrhea or colitis, anemia, three or more ear infections, seizures, frequent headaches or migraines.

a

Difference in agreement between subpopulations is significant at p<.05

b

Difference in agreement between subpopulations is significant at p<.01

c

Difference in agreement between subpopulations is significant at p<.001

*

p<05

**

p<.01

***

p<.001

Source: 2000-2005 CMS Medicaid Analytic eXtract (MAX) data, linked to 2001-2005 National Health Interview Survey data