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Table 4 Baseline characteristics in 1973–78 cohort ALSWH women based on highest achieved education (n = 10 018)

From: Educational mobility and weight gain over 13 years in a longitudinal study of young women

  Highest achieved education
  Low (21%) n = 2,087 Intermediate (30%) n = 2,994 High (49%) n = 4,937 chi2/F statistic (P-value)
Baseline characteristics    
Mean (Std Dev)    
Age (years) 20.8 (1.5) 20.8 (1.4) 20.7 (1.5) 9.23 (<0.0001)
Weight (kg) 63.7 (13.1) 63.6 (13.3) 61.8 (11.1) 23.6 (<0.0001)
Height (cm) 165.4 (7.4) 165.7 (7.3) 166.4 (6.8) 18.4 (<0.0001)
Age at birth of first child** 25.3 (4.3) 26.6 (4.1) 29.1 (3.4) 529.6 (<0.0001)
Percentage (%)     
BMI     * 44.3 (<0.0001)
Underweight (<18.5) 9.2 9.1 9.4  
Normal weight (18.5 -24.9) 62.3 66.4 73.5  
Overweight (25.0 – 29.9) 18.9 16.5 13.3  
Obese ( ≥30.0) 9.6 8.0 3.8  
Number of children     509.9 (<0.0001)
No children 83.7 91.3 98.2  
1 12.3 6.8 1.5  
2 3.3 1.6 0.2  
3+ 0.7 0.3 0.02  
Marital status     704.0 (<0.0001)
Never married 62.3 71.5 88.7  
Married/de facto 36.0 27.7 11.1  
Separated/divorced/widowed 1.7 0.8 0.2  
Physical activity     73.5 (<0.0001)
Nil/Sedentary 8.4 6.6 4.4  
Low 40.1 37.6 35.4  
Moderate 12.6 13.4 13.9  
High 38.9 42.4 46.3  
Alcohol intake     121.5 (<0.0001)
Never/rarely 48.8 42.8 36.9  
Low risk 44.8 51.6 58.7  
Risky/high risk 6.4 5.6 4.4  
Smoking status     429.7 (<0.0001)
Non-smoker 40.9 47.8 65.2  
Ex-Smoker 18.4 17.0 12.7  
Current smoker 40.7 35.2 22.1  
Mental health (based on MHI-5)    56.8 (<0.0001)
Poor (≤52) 24.4 21.5 17.1  
Good (>52) 75.6 78.5 82.9  
Country of birth     72.0 (<0.0001)
Australia 94.6 95.0 91.1  
Other English speaking 3.6 2.6 4.1  
Europe 0.6 0.8 1.1  
Asia 0.7 1.0 2.7  
Other (incl. Middle East) 0.5 0.6 1.0  
Area of residence     420.3 (<0.0001)
Urban (major cities) 37.3 46.6 61.2  
Rural (inner regional) 36.5 32.4 26.5  
Remote (outer regional/ remote) 26.2 21.0 12.3  
  1. Achieved at Survey Five (age 31–36 years) (if missing, then from Survey Four) categorised as ‘Low’ - higher school certificate or lower (≤12 years), ‘Intermediate’ - trade/certificate/diploma or ‘High’ - degree/higher degree.
  2. Sample sizes change slightly due to missing values for some variables.
  3. *Mantel-Haenszel chi square used when >10% data was missing.
  4. **Age at birth of first child is based on reported information up to Survey Five.