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. Author manuscript; available in PMC: 2015 Aug 31.
Published in final edited form as: J Asthma. 2014 Aug 19;52(1):3–9. doi: 10.3109/02770903.2014.950427

Table 3.

Hispanics unadjusted and adjusteda current asthma prevalenceb and adjusted prevalence rate ratios among adults, by selected characteristics.

Hispanics living in United States – BRFSSc
Hispanics living in United States – NHISd
Unadjusted current asthma prevalence % (95% CI)f Adjusted current asthma prevalencee % (95% CI)f Unadjusted current asthma prevalence % (95% CI)f Adjusted current asthma prevalencee % (95% CI)f
Total 6.6 (6.2–6.9) 6.8 (6.5–7.2) 6.0 (5.5–6.5) 6.0 (5.4–6.5)
Sex p<0.0001g p<0.0001g
 Male 5.1 (4.6–5.6) 4.9 (4.4–5.5) 4.4 (3.8–5.2) 4.4 (3.7–5.2)
 Female 8.1 (7.7–8.5) 8.8 (8.3–9.3) 7.6 (6.8–8.4) 7.6 (6.8–8.5)
Age, year range p<0.0001g p =0.0103g
 18–34 6.4 (5.8–7.0) 6.9 (6.2–7.6) 5.8 (5.1–6.6) 6.4 (5.5–7.4)
 35–44 5.7 (5.1–6.3) 5.8 (5.1–6.5) 4.7 (3.9–5.8) 4.7 (3.9–5.7)
 45–54 6.9 (6.2–7.5) 6.6 (6.0–7.4) 6.4 (5.3–7.7) 6.0 (5.0–7.3)
 55–64 7.9 (7.1–8.8) 7.2 (6.4–8.2) 7.4 (5.9–9.1) 6.1 (4.8–7.8)
 65+ 8.1 (7.3–9.0) 8.0 (7.0–9.0) 7.3 (5.8–9.3) 6.5 (5.0–8.4)
Education level p<0.0001g p<0.0001g
 High school (HS) graduate or less 6.0 (5.6–6.4) 6.1 (5.6–6.6) 4.9 (4.3–5.6) 5.0 (4.3–5.8)
 Some college 8.3 (7.5–9.1) 8.0 (7.2–8.9) 8.2 (7.2–9.5) 8.0 (7.0–9.1)
 College four years or more 6.6 (6.0–7.4) 7.2 (6.3–8.1) 6.7 (5.3–8.4) 6.7 (5.3–8.5)
Household income p =0.0002g p<0.0001g
 <$15 000 7.6 (6.9–8.5) 8.1 (7.2–9.1) 8.3 (7.1–9.7) 8.5 (7.3–10.0)
 $15 000–$24 999 5.9 (5.2–6.6) 6.3 (5.6–7.1) 4.6 (3.6–5.9) 4.9 (3.9–6.1)
 $25 000–$49 999 5.7 (5.1–6.3) 5.7 (5.1–6.4) 4.5 (3.8–5.2) 4.5 (3.9–5.3)
 $50 000–$74 999 7.7 (6.7–8.9) 7.4 (6.3–8.6) 6.5 (5.3–8.1) 6.3 (5.0–7.9)
 ≥$75 000 6.6 (5.8–7.5) 6.6 (5.7–7.7) 7.0 (5.6–8.7) 6.4 (5.0–8.2)
Body mass index (BMI) p<0.0001g p<0.0001g
 Obese 8.9 (8.2–9.6) 8.8 (8.1–9.6) 8.5 (7.5–9.5) 8.4 (7.4–9.5)
 Non-obese 5.8 (5.4–6.2) 5.7 (5.3–6.2) 4.8 (4.3–5.4) 4.8 (4.3–5.4)
Cigarette smoking status p<0.0001g p =0.0005g
 Current smoker 8.2 (7.3–9.1) 8.9 (7.9–10.1) 7.2 (5.8–8.8) 7.6 (6.2–9.1)
 Former smoker 7.7 (7.0–8.5) 8.3 (7.4–9.2) 8.1 (6.8–9.6) 8.0 (6.6–9.7)
 Nonsmoker 6.0 (5.6–6.4) 5.8 (5.4–6.3) 5.3 (4.7–5.9) 5.2 (4.6–5.9)
a

Adjusted for age, sex, education, income, obesity and cigarette smoking status.

b

Includes persons who answered “yes” to the questions, “Have you ever been told by a doctor or other health professional that you had asthma?” and “Do you still have asthma?”

c

2008–2010 Behavioral Risk Factor Surveillance System data for Hispanics in 50 states and District of Columbia.

d

2008–2010 National Health Interview Survey data for Hispanics in 50 states and District of Columbia.

e

Adjusted for age, sex, education, income, obesity and cigarette smoking status.

f

Using the method of examining overlap between 95% confidence intervals, unadjusted and adjusted current asthma prevalence from BRFSS were compared with the corresponding prevalence from NHIS. Non-overlapping confidence intervals indicate statistical significance.

g

p Values for the chi-square test for independence to determine whether there is a significant relationship between two categorical variables.