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Table 3 Regression Results: Unadjusted Offline FeNO (100 ml/sec) by Demographic and Clinical Category, CHS 2003–4 Subjects with Valid FeNO Data*

From: Exhaled nitric oxide in a population-based study of Southern California Schoolchildren

GROUP

Geometric Mean FeNO

95% Confidence Interval of Geometric Mean

P Value for Group Main Effect

Female

8.31

(7.85, 8.80)

0.62

Male (reference)

8.39

(7.93, 8.87)

 

Non-Hispanic White (reference)

7.85

(7.47, 8.25)

<0.0001

Hispanic‡

8.29

(7.92, 8.68)

 

African American

8.31

(7.21, 9.57)

 

Asian American‡

9.98

(8.93, 11.15)

 

Other

7.52

(6.88, 8.22)

 

Age < 8‡

8.17

(7.71, 8.66)

<0.0001

Age 8–9‡

8.13

(7.69, 8.59)

 

Age >= 9 (reference)

8.77

(8.21, 9.36)

 

Healthy (reference)

7.50

(7.16, 7.85)

<0.0001

Allergy only‡

8.40

(8.03, 8.78)

 

Asthma only

7.83

(6.79, 9.02)

 

Allergy + Asthma‡

9.86

(9.13, 10.65)

 
  1. *Analytical model includes main effects of sex, ethnic group, clinical group, age stratum, height-for-age, weight-for-height, and community.
  2. ‡Different from reference group, P < 0.001.