Research Article

Astigmatism Associated with Allergic Conjunctivitis in Urban School Children

Table 6

Odds ratios (95% CI) for having allergic conjunctivitis by astigmatism and myopia after adjustment for covariates according to school location.

Suburban (n = 420)ORUrban (n = 540)OR

Model 1Astigmatism (cylindrical diopter)1.040 (0.672–1.610)Astigmatism (cylindrical diopter)1.408 (1.029–1.926)
Parental history of allergic disease (yes vs. no)1.666 (0.996–2.788)Parental history of allergic disease (yes vs. no)1.668 (1.122–2.479)
Conjunctival papillary hypertrophy (yes vs. no)1.740 (1.081–2.802)Conjunctival papillary hypertrophy (yes vs. no)1.123 (0.708–1.783)
Sex (female vs. male)0.662 (0.412–1.064)Sex (female vs. male)0.852 (0.581–1.250)
Age0.963 (0.835–1.112)Age1.048 (0.939–1.171)
Education level of father (college vs. high school)1.312 (0.746–2.309)Education level of father (college vs. high school)1.262 (0.766–2.079)
Any skin prick test (yes vs. no)1.957 (1.210–3.166)Any skin prick test (yes vs. no)1.679 (1.141–2.472)

Model 2Myopia (spherical equivalent)0.886 (0.739–1.062)Myopia (spherical equivalent)0.966 (0.852–1.095)
Parental history of allergic disease (yes vs. no)1.650 (0.986–2.762)Parental history of allergic disease (yes vs. no)1.674 (1.128–2.484)
Conjunctival papillary hypertrophy (yes vs. no)1.762 (1.096–2.835)Conjunctival papillary hypertrophy (yes vs. no)1.140 (0.720–1.805)
Sex (female vs. male)0.661 (0.411–1.063)Sex (female vs. male)0.836 (0.571–1.224)
Age0.927 (0.794–1.083)Age1.040 (0.924–1.170)
Education level of father (college vs. high school)1.333 (0.756–2.351)Education level of father (college vs. high school)1.215 (0.738–1.999)
Any skin prick test (yes vs. no)1.918 (1.183–3.109)Any skin prick test (yes vs. no)1.723 (1.172–2.534)

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