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Table 4 Odds ratios and 95 % confidence intervals from bivariable and multivariable logistic regression analysis predicting use of health professionals or media as the most important GWG sourcea

From: Gestational weight gain information: seeking and sources among pregnant women

n = 181 Sought GWG information Bivariate associationsb Multivariate associationsb,c
  Health prof (n/%) Media (n/%) OR 95 % CI p OR 95 % CI p
Total 80 101       
Maternal age         
 ≤30 years 35 (43.7) 55 (54.5) 1.00 Ref     
 31–35 years 23 (28.8) 27 (26.7) 0.75 0.37, 1.50 0.41    
 ≥36 years 22 (27.5) 19 (18.8) 0.83 0.26, 1.16 0.12    
Country of birth         
 Australia 59 (73.8) 48 (47.5) 1.00 Ref   1.00 Ref  
 Overseas 21 (26.2) 53(52.5) 3.10 1.65, 5.84 <0.01 3.20 1.76, 6.85 <0.01
Language         
 English 58 (72.5) 60 (59.4) 1.00 Ref     
 LOTE 22 (27.5) 41 (40.6) 1.80 0.96, 3.39 0.07    
Education         
 Secondary or less 9 (11.2) 6 (5.9) 1.00 Ref     
 Trade/Certificate Diploma 17 (21.3) 28 (27.7) 2.47 0.75, 8.17 0.14    
 Tertiary 54 (67.5) 67 (66.3) 1.73 0.88, 3.40 0.28    
Main daily activity         
 Working full time 35 (43.7) 52 (51.5) 0.69 0.31, 1.51 0.34 1.02 0.44, 2.37 0.96
 Working part time 27 (33.8) 17 (16.8) 0.29 0.12, 0.72 0.01 0.40 0.16, 1.03 0.06
 Raising children 13 (16.3) 28 (27.7) 1.00 Ref   1.00 Ref  
 Unemployed/studying 5 (6.2) 4 (4.0) 0.37 0.09, 1.62 0.19 0.34 0.07, 1.57 0.17
Household income         
 <$51,999 12 (15.0) 17 (16.8) 1.00 Ref     
 $52–77,999 11 (13.8) 17 (16.8) 1.10 0.38, 3.15 0.87    
 $78–99,999 13 (16.3) 18 (17.8) 0.98 0.35, 2.73 0.97    
 >$99,999 29 (36.2) 37 (12.9) 0.90 0.38, 2.12 0.82    
 Did not answer 15 (18.7) 12 (11.8) 0.56 0.20, 1.63 0.29    
Parity         
 0 49 (61.3) 70 (69.3) 1.43 0.77, 2.65 0.26    
 ≥1 31 (38.7) 31 (30.7) 1.00 Ref     
BMI kg/m2         
 Underweight (<18.5 kg/m2) 1 (1.3) 3 (3.0) 2.11 0.21, 21.02 0.52    
 Healthy weight (18.5-24.9 kg/m2) 43 (53.8) 61 (60.4) 1.00 Ref     
 Overweight (25–29.9 kg/m2) 13 (16.2) 21 (20.8) 1.14 0.51, 2.52 0.75    
 Obese (30–34.9 kg/m2) 23 (28.7) 16 (15.8) 0.49 0.23, 1.04 0.06    
  1. Ref. reference category, LOTE language other than English
  2. a Reference category – health professional
  3. b Analysis adjusted for access to technology
  4. c Characteristics significantly (p ≤ 0.05) associated with outcome in bivariable analysis were included in multivariable analyses