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Table 3 Logistic regression of under reporter status at trial entry or 36 weeks

From: The characterisation of overweight and obese women who are under reporting energy intake during pregnancy

Outcomes 10–20 weeks 36 weeks
OR 95% CI P OR 95% CI P
SEIFA 1 1 1
2 0.56 0.20, 1.55 0.262 0.19 0.06, 0.60 0.003
3 0.45 0.13, 1.59 0.215 0.15 0.04, 0.56 0.005
4 0.25 0.07, 0.87 0.029 0.16 0.05, 0.58 0.005
5 0.34 0.09, 1.29 0.113 0.15 0.04, 0.59 0.007
BMI (kg/m2) 25–29.99 1 1
30–34.99 1.09 0.43, 2.78 0.850 2.07 0.58, 7.46 0.265
35–39.99 1.61 0.52, 4.96 0.405 2.60 0.58, 11.66 0.212
≤40 23.10 2.44, 218.6 0.006 10.27 1.75, 60.30 0.010
Age (years) 1.01 0.93, 1.09 0.786    
Smoking No 1    
Yes 1.57 0.21, 11.7 0.659    
Weight satisfaction Satisfied 1 1   
Not satisfied 0.49 0.16, 1.48 0.207 0.38 0.11, 1.21 0.101
Shape satisfaction Satisfied 1 1   
Not satisfied 0.87 0.29, 2.58 0.806 1.35 0.42, 4.33 0.611
BMI estimate Correctly estimate 1    
Under estimate 0.80 0.36, 1.77 0.576    
Over estimate 0.68 0.16, 2.82 0.595    
Dieting behaviour Never     1
1–10 times     2.38 1.00, 5.65 0.051
>  10 times     4.52 1.11, 18.29 0.035
Discrepancy score     1.06 0.55, 2.03 0.864
Risk of depression No     1
Yes     0.20 0.04, 0.93 0.040
  1. Data were analysed by logistic regression
  2. Over reporters were excluded from analysis
  3. BMI Body mass index, CI Confidence interval, OR Odds ratio, SEIFA Socioeconomic indices for areas disadvantage score