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Table 2—

Logistic model results

P valueOR (95% CI)
Obese BMI (≥30 kg/m2) <0.001 6.91 (2.93–16.28) 
Overweight BMI (25.0–29.9 kg/m2) 0.004 3.70 (1.53–8.92) 
17P prophylaxis <0.001 3.09 (2.17–4.40) 
Normal BMI (20.0–24.9 kg/m2) 0.192 1.80 (0.74–4.38) 
Betamimetic tocolysis 0.852 1.04 (0.67–1.64) 
Gestational age at start of outpatient care 0.050 0.97 (0.933–1.000) 
Tobacco use 0.193 0.57 (0.24–1.33) 
P valueOR (95% CI)
Obese BMI (≥30 kg/m2) <0.001 6.91 (2.93–16.28) 
Overweight BMI (25.0–29.9 kg/m2) 0.004 3.70 (1.53–8.92) 
17P prophylaxis <0.001 3.09 (2.17–4.40) 
Normal BMI (20.0–24.9 kg/m2) 0.192 1.80 (0.74–4.38) 
Betamimetic tocolysis 0.852 1.04 (0.67–1.64) 
Gestational age at start of outpatient care 0.050 0.97 (0.933–1.000) 
Tobacco use 0.193 0.57 (0.24–1.33) 
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