Table 1 Descriptive characteristics of those who provided a vitamin D sample, by sex
Variable | Male (n = 1164) | Female (n = 1249) |
|---|---|---|
Age [mean ± SD] | 49.6 ± 16.2 | 51.5 ± 16.9 |
BMI [mean ± SD]* | 28.6 ± 4.8 | 28.5 ± 6.4 |
  Underweight (%) | 0.3 | 1.4 |
  Normal (%) | 21.9 | 30.8 |
  Overweight (%) | 45.9 | 32.5 |
  Obese (%) | 31.8 | 35.3 |
Country of birth (%)* | Â | Â |
  Australia | 72.9 | 73.8 |
  Country other than Australia | 27.1 | 25.9 |
Season (%) | Â | Â |
  Summer (Dec-Feb) | 18.5 | 23.6 |
  Autumn (Mar-May) | 23.9 | 21.5 |
  Winter (Jun-Aug) | 29.7 | 29.1 |
  Spring (Sep-Nov) | 28.0 | 25.8 |
Income (%) | Â | Â |
  Up to $60,000 | 39.7 | 46.9 |
  More than $60,000 | 51.8 | 41.7 |
  Don’t know/not stated | 8.5 | 11.4 |
Education (%) | Â | Â |
  Some schooling | 25.4 | 40.2 |
  Completed high school | 10.4 | 14.7 |
  Apprenticeship/diploma | 40.3 | 24.4 |
  University or higher education | 20.7 | 18.4 |
  Refused/not stated | 3.2 | 2.3 |
Smoking status (%) | Â | Â |
  Current smoker | 18.2 | 16.7 |
  Ex/non smoker | 80.4 | 82.0 |
  Not stated | 1.4 | 1.2 |
Physical activity (%) | Â | Â |
  No activity | 15.1 | 20.5 |
  Insufficient activity | 28.4 | 35.0 |
  Sufficient activity | 52.9 | 42.1 |
  Not stated | 3.6 | 2.4 |
Vitamin D supplement (%) | Â | Â |
Took vitamin D | 2.0 | 6.1 |
Took supplements but not vitamin D | 25.0 | 29.3 |
Did not take supplements/not stated | 73.1 | 64.6 |