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Table 1 Socio-demographic characteristics of the study sample

From: An examination of the mediating role of salt knowledge and beliefs on the relationship between socio-demographic factors and discretionary salt use: a cross-sectional study

   Sample% (N) Censusa (%)
Gender Male 41.7 (221) 48.6b
  Female 58.3 (309) 51.4
Age (years) 18-20 2.8 (15) 3.6 b
  21-30 15.5 (82) 17.6
  31-40 15.8 (84) 19.5
  41-50 18.1 (96) 19.6
  51-60 16.0 (85) 16.8
  61 - 70 23.2 (123) 11.1
  >70 8.5 (45) 11.8
Highest level of education Left school at 16 years 25.7 (136)  
  Left school at 18 years 15.3 (81)  
  Technical and Further Education (TAFE) or college diploma, certificate or formal trade qualification 32.1 (170) 45.4c,d,e
  Bachelor degree/ Graduate Diploma / Graduate Certificate 19.6 (104) 24.5
  Postgraduate degree 7.4 (39) 4.9
Employment Employed full-time 33.0 (175) 36.6c,d,f
  Employed part-time / casual 17.5 (93) 16.9
  Home duties / retired/ student 40.0 (212) 33.1
  Unemployed / looking for work 9.4 (50) 3.2
Household income (AUSD) 10,000 or less 4.9 (26)  
  10,001 to 20,000 11.9 (63)  
  20,001 to 40,000 18.1 (96)  
  40,001 to 60,000 17.7 (94)  
  60,001 to 80,000 15.3 (81)  
  80,000 to or 100,000 13.4 (71)  
  Over 100,001 18.7 (99)  
  1. a Based on 2006 Census data [46]; b based on census data for population aged 18 and above; c based on individuals aged 15 years and over who stated completed qualification; d Denotes slight variation of categories between survey and census; e total percentages do not add up to 100% due to individuals who did not state or inadequately described their level of education; f total percentages do not add up to 100% due to individuals who have not stated their employment status.