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Table 4 Logistic Regression Models with Generalized Equation Estimation (GEE) for excessive gestational weight gain according to sociodemographic, obstetric and environmental factors. Belo Horizonte e Contagem, Minas Gerais

From: Environmental and individual factors associated with gestational weight gain

Sociodemographic, obstetric and environmental factors
Excessive gestational weight gain (n = 115)
  Model 1 Model 2 Model 3
OR CI95% p- Value OR CI95% p- Value OR CI95% p- Value
Age 0.96 0.92 – 1.01 0.144 0.96 0.92 -1.01 0.128 0.96 0.91 – 1.00 0.092
Educational level
  Elementary School 1 1   1 1   1 1  
  High school 1.30 0.67 – 2.55 0.432 1.35 0.69 – 2.62 0.376 1.39 0.71 – 2.71 0.334
  Higher education 0.78 0.34 – 1.83 0.583 0.76 0.33 – 1.78 0.541 0.79 0.34 – 1.85 0.593
Smoking in the first 5 months of pregnancy        
  No 1 1   1 1   1 1  
  Yes 2.73 0.98 – 7.58 0.054 2.79 1.02 -7.64 0.045 2.73 0.98 – 7.54 0.052
Pre-gestational body mass index (BMI)
  Eutrophic 1 1   1 1   1   
  Underweight 0.66 0.16 – 2.66 0.562 0.64 0.15 – 2.57 0.531 0.60 0.14 – 2.53 0.493
  Overweight 5.74 3.13 – 10.51  < 0.001 5.76 3.15 – 10.53  < 0.001 6.24 3.37 – 11.54  < 0.001
  Obesity 8.39 3.33 – 21.09  < 0.001 8 3.22 – 19.90  < 0.001 8.37 3.32 – 21.06  < 0.001
Number of prenatal consultations 1.01 0.92 – 1.11 0.739 1.01 0.93 – 1.11 0.673 1.02 0.93 – 1.12 0.614
Gestational age 1.01 0.92 – 1.11 0.815 0.98 0.86 – 1.12 0.852 0.99 0.86 – 1.13 0.892
Professional
  Nurse 1 1   1 1   1 1  
  Physician 1.22 0.49 – 3.01 0.656 1.12 0.45 – 2.77 0.797 1.11 0.45 – 2.76 0.811
Unhealthy food purchasing establishments
  1 tercile 1 1        
  2 tercile 1.45 0.80 – 2.63 0.217       
  3 tercile 1.91 1.00 – 3.64 0.047       
Healthy food purchasing establishments
  1 tercile     1 1     
  2 tercile     1.24 0.68 – 2.25 0.481    
  3 tercile     1.18 0.65 – 2.11 0.573    
Mixed food purchasing establishments near the place of residence
  1 tercile        1 1  
  2 tercile        1.36 0.72 – 2.55 0.337
  3 tercile        2.71 1.35 – 5.43 0.005
Average income per Buffer
  1 tercile 1 1   1 1   1 1  
  2 tercile 1.45 0.79 – 2.68 0.227 1.58 0.86 – 2.90 0.133 1.28 0.68 – 2.41 0.443
  3 tercile 1.04 0.53 – 2.05 0.902 1.33 0.71 – 2.48 0.363 0.78 0.38 – 1.61 0.515
  1. *P-value for Logistic Regression Models with Generalized Equation Estimation; /95% CI = 95% Confidence interval/OR Odds Ratio/BMI body mass index, PN prenatal care. /Ref reference category/Values in bold =  ≤ 0.05. Non-gestational diabetes and arterial hypertension were considered as adjustment variables of the model