|
Gilliland et al., 2003 [45]
|
Not overweight: ≤85th% vs. Overweight: >85th%;
|
New-onset physician diagnosed Asthma (child-report)
|
Age, sex, race, health insurance, community, parental history of asthma/allergies, birth weight, humidifier use, wheeze, allergy, team sports participation, smoking, household ETS, household pets and pests, puberty, and lung function
|
Sex
|
Cox proportional hazards
|
|
Not obese: ≤95th% vs. obese: >95th%
|
|
Gold et al., 2003 [46]
|
BMI by Z-score
|
New-onset doctor diagnosed Asthma with wheeze (parental-report)
|
Maternal smoking, air conditioner use, city of residence, child’s exact age, parental education level, single-parent household, only child status, and race
|
Sex, race, maternal smoking, age
|
Cox proportional hazards from BMI Z-score modeled as a time-dependent variable
|
|
BMI by Quintile
|
annual updated BMI Z-scores included as a time-dependent variable
|
|
Mamun et al., 2007 [47]
|
BMI by Z-score at age 5 and 14 years
|
Asthma at ages 5 years (maternal-report) and age 14 years (self-report)
| |
Sex
|
One-way ANOVA and F-test used for association between BMI and asthma; logistic regression
|
|
Mannino et al., 2006 [48]
|
Underweight: <25th%
|
New-onset asthma that limited child’s activity or required the use of medication or frequent attention from a doctor (parental-report)
|
Race/ethnicity, sex, poverty status, birthweight, and prenatal maternal smoking
|
Sex
|
Cox proportional hazards models
|
|
Normal weight: 25th-84th%
|
|
Overweight/obese: ≥85th%
|
|
Zhang et al., 2010 [49]
|
Age 3 years:
|
Incident asthma at age 6 years
|
Breast-feeding, sex, self-reported maternal asthma, dog and cat in household at birth, smoke exposure, day care attendance, having older children in household, and wheezing with rhinovirus infection.
|
Asthma at 6 years old, asthma at 8 years old
|
Logistic regression
|
|
Low weight: <15th%
|
|
Average weight: 15th-84th%
|
|
High weight: >85th%
|
|
Age 5 years:
|
Incident asthma at age 8 years
|
|
Low weight: <15th%
|
|
Average weight: 15th-84th%
|
|
High weight: >85th%
|
|
Ho et al., 2011 [50]
|
Underweight
|
New-onset physician diagnosed Asthma (self-report and parental-report)
|
Exercise, parental asthma, parental education, breastfeeding, air-conditioning usage, cigarette smoking, ETS, pet(s), and fungus/mold in the home
|
Sex
|
Mantel-Haenszel chi-square; Multivariable logistic regression
|
|
Normal weight
|
|
Overweight
|
|
Obese
|
