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Table 1 Descriptive characteristics of those who provided a vitamin D sample, by sex

From: Vitamin D levels in an Australian population

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 (%)*   
  Australia 72.9 73.8
  Country other than Australia 27.1 25.9
Season (%)   
  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 (%)   
  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 (%)   
  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 (%)   
  Current smoker 18.2 16.7
  Ex/non smoker 80.4 82.0
  Not stated 1.4 1.2
Physical activity (%)   
  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 (%)   
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
  1. *Not stated category not reported n ≤ 10.
  2. The weighting of data can lead to rounding discrepancies and totals not adding.