Table 2 Logistic Regression for asthma diagnosis (n = 61,625)

Age

  1 to 5 years (ref.)

---

---

  6 to 11years

1.78***

(1.60, 1.99)

< 0.001

Gender

  Male (ref.)

---

---

  Female

0.63***

(0.57, 0.70)

< 0.001

Race/ethnicity

  Hispanic (ref.)

---

---

  Asian

1.06

(0.85, 1.32)

0.595

  African American

1.17*

(1.02, 1.50)

0.299

  White

0.68***

(0.61, 0.75)

< 0.001

  Two or more Races

0.93

(0.59, 0.79)

0.634

Adult English Proficiency

  Very well (ref.)

---

---

  Fairly well

0.78*

(0.61, 1.02)

0.047

  Not well / Not at all

0.60***

(0.48, 0.77)

< 0.001

Adult Education

  Less than 12 years (ref)

---

---

  High School graduate

1.04

(0.86, 1.26)

0.682

  Some college

1.21*

(1.00, 1.46)

0.045

  College graduate or higher

0.91

(0.74, 1.11)

0.356

Poverty level

  0–99 % FPL (ref.)

---

---

  100–199 % FPL

0.85

(0.71, 1.04)

0.159

  200–299 % FPL

0.77*

(0.61, 0.96)

0.021

  300 % FPL and Above

0.74**

(0.55, 0.83)

0.005

Living environment

  Urban (ref.)

---

---

  Rural

0.85

(0.74,0.99)

0.038

Usual Source of Care

  Office/HMO/Kaiser (ref.)

---

---

  Government/community

1.00

(0.86, 1.16)

0.964

  ER/Urgent care/ Other place

0.88

(0.55, 1.42)

0.582

  No usual source of care

0.57**

(0.40, 0.84)

0.004

Insurance status

  Insured (ref.)

---

---

  Not insured

0.79

(0.60, 1.07)

0.125

Citizenship Status

  US-born citizen (ref.)

---

---

  Naturalized citizen

0.85

(0.71, 1.03)

0.146

  Non-Citizen

0.82

(0.66, 1.01)

0.066

Survey year

  2001–2002 (ref)

---

---

  2003–2004

1.11

(0.99, 1.25)

0.075

  2005–2006

1.09

(0.97, 1.23)

0.128

  2007–2008

1.08

(0.96, 1.22)

0.187

  2009–2010

0.89

(0.78, 1.02)

0.109

  2011–2012

1.12

(0.97, 1.31)

0.108

  2013

1.05

(0.85, 1.30)

0.664

  2014

0.89

(0.69, 1.16)

0.393

  2015

0.85

(0.62, 1.18)

0.338