Table 3 Characteristics of the 12 studies included in the meta-analysis
Author, publication year | Country | Study design | Total number of subjects | Age | Asthma definition | BW/GA | Gestational age |
|---|---|---|---|---|---|---|---|
Hesselmar et al. [19], 2002 | Sweden | Case–control | 950 | 15–25y | Questionnaire | SGA | – |
Grischkan et al. [21], 2004 | American | Cohort | 251 | 8–11y | Questionnaire | SGA | 24–36w |
Jaakkola and Gissler [16], 2004 | Finland | Cohort | 58,841 | 0–7y | Medical record | SGA | – |
Gessner and Chimonas [12], 2007 | American | Cross-sectional | 37,349 | < 10y | Medical record | SGA | – |
Lu et al. [18], 2012 | Taiwan | Cross-sectional | 75,181 | 10–17y | Medical record and Questionnaire | SGA; AGA; LGA | – |
Wang et al. [20], 2012 | Taiwan | Cross-sectional | 78,011 | 13–16y | Questionnaire | SGA | – |
Kalen et al. [14], 2013 | Sweden | Cross-sectional | 763,666 | 2–11y | Medical record | SGA; AGA; LGA | 23–44w |
Koshy et al. [24], 2013 | UK | Cross-sectional | 6361 | 5–11y | Questionnaire | SGA | 39–41w |
Miyake and Tanaka [15], 2013 | Japanese | Cross-sectional | 2004 | 3y | Questionnaire | SGA | – |
Liu et al. [22], 2014 | Sweden Finland Denmark | Cohort | 5,656,507 | 3–18y | Medical record | SGA; LGA; AGA | 22–45w |
Pinto et al. [23], 2017 | Netherlands | Cohort | 1608 | 8y | Questionnaire | LGA | 38–42w |
Carter et al. [13], 2019 | Canada | Cohort | 32,867 | 0–25y | Medical record | SGA; LGA; AGA | ≥ 37w |