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Table 2 The risk of asthma in obese and overweight children based on OR

From: Effect of childhood BMI on asthma: a systematic review and meta-analysis of case-control studies

Variables Overweight Obesity
Group Study OR (95% CI) Study OR (95% CI)
Year of publication 1998–2008 5 1.49 (0.84–2.63) 6 1.88 (1.04–3.41)
2009–2017 6 1.80 (1.07–3.03) 8 1.90 (1.43–2.53)
Age < 11 year 2 0.86 (0.58–1.29) 2 1.65 (1.26–2.15)
> 12 year 3 1.30 (0.64–2.64) 3 1.61 (1.09–2.37)
Mix 6 2.19 (1.35–3.55) 8 2.27 (1.26–4.06)
Gender Male 2 1.46 (0.64–3.34) 2 1.14 (0.62–2.09)
Female 2 1.51 (0.88–2.58) 2 1.65 (0.95–2.89)
Continents America 9 1.50 (0.97–2.33) 10 2.21 (1.65–2.98)
Europe 1 1.86 (1.12–3.10) 3 1.12 (0.70–1.79)
Asia 1 3.03 (1.59–5.76) 1 2.84 (1.39–5.81)
Sample < 500 8 2.00 (1.31–3.04) 8 2.71 (1.80–4.07)
> 500 3 1.04 (0.56–1.93) 6 1.41 (0.98–2.03)
Report of Asthma Physician 10 1.69 (1.11–2.56) 13 2.00 (1.42–2.82)
Parent 1 1.28 (0.70–2.31) 1 1.27 (0.64–2.53)