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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: J Allergy Clin Immunol. 2009 May 12;123(6):1321–7.e12. doi: 10.1016/j.jaci.2009.03.023

Table I.

Socio-demographic characteristics of all study participants

Parameter Total population
n=1123
All children with
allergic rhinitis
n=584
Group 1: Children
with
allergic rhinitis and
asthma
n=320
Group 2: Children
with allergic rhinitis
only (no asthma)
n=264
Diagnosis n (%) n (%) n (%) n (%)
   Allergic rhinitis 584 (52.0) 584 (100.0) 320 (100.0) 264 (100.0)
   Asthma 469 (41.76) 320 (54.79) 320 (100.0) 0 0
Age groups*
   5 – < 9.5 years 562 (50.04) 265 (45.38) 127 (39.69) 138 (52.27)
   9.5 – ≤ 18 years 561 (49.96) 319 (54.62) 193 (60.31) 126 (47.73)
Race*
   Caucasian 645 (57.44) 300 (51.37) 157 (49.06) 143 (54.17)
   African American 379 (33.75) 228 (39.04) 138 (43.13) 90 (34.09)
   Other 99 (8.82) 56 (9.59) 25 (7.81) 31 (11.74)
Males 620 (55.21) 334 (57.19) 192 (60.0) 142 (53.79)
Father’s education
   Less than high school 66 (5.88) 34 (5.82) 19 (5.94) 15 (5.68)
   High school/some college 477 (42.48) 255 (43.66) 133 (41.56) 122 (46.21)
   College or higher 250 (22.26) 113 (19.35) 62 (19.38) 51 (19.32)
   Unknown 330 (29.38) 182 31.16 106 (33.12) 76 (28.79)
Mother’s education
   Less than high school 49 (4.36) 24 (4.11) 13 (4.06) 11 (4.17)
   High school/some college 585 (52.1) 309 (52.91) 171 (53.44) 138 (52.27)
   College or higher 263 (23.42) 122 (20.89) 59 (18.44) 63 (23.86)
   Unknown 226 (20.12) 129 22.09 77 (24.06) 52 (19.69)
Annual household income
   < $10,000 157 (13.98) 90 (15.41) 49 (15.31) 41 (15.53)
   $10,000–$29,999 216 (19.23) 116 (19.86) 65 (20.31) 51 (19.32)
   $30,000–$49,999 133 (11.84) 70 (11.99) 39 (12.19) 31 (11.74)
   $50,000–$69,999 105 (9.35) 49 (8.39) 19 (5.94) 30 (11.36)
   ≥ $70,000 235 (20.93) 106 (18.15) 60 (18.75) 46 (17.42)
   Unknown 277 (24.67) 153 (26.2) 88 (27.50) 65 (24.62)
At least one household member smokes (parental report)
279 (24.84) 163 (27.91) 89 (27.81) 74 (28.03)
*

p < 0.05 between Group 1 and Group 2