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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Ann Allergy Asthma Immunol. 2013 Feb 13;110(4):247–252. doi: 10.1016/j.anai.2013.01.016

Table 1.

Distribution of the study population with respect to gender, race, education, and body mass index (BMI) for each age group, among participants with current asthma

20–40 (N=108) ≥55 (N=43) p-value1
N Percent N Percent
Gender
 Male 37 43.21 17 42.67 0.963
 Female 71 56.79 26 57.33
Race/Ethnicity
 Non-Hispanic White 51 67.61 18 66.09 0.989
 Non-Hispanic Black 34 16.98 12 16.68
 Mexican American 15 5.78 9 6.01
 Other 8 9.63 4 11.22
Education
 Less than high school diploma 24 18.42 9 16.55 0.846
 High school or above 79 81.58 34 83.45
BMI
 Underweight (BMI < 18.5) 2 0.50 2 6.39 0.117
 Normal (BMI >=18.5 – 25) 33 36.55 5 18.13
 Overweight (BMI >=25 – 30) 21 16.80 12 25.69
 Obese (BMI >=30) 51 46.15 22 49.80
1

p-value for test of differences between age groups with respect to subject characteristic distributions.