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Table 1 Baseline characteristics

From: Patient reported barriers are associated with low physical and mental well-being in patients with co-morbid diabetes and chronic kidney disease

Variable Mean ± SD/% Range
Age (years) 66.9 ± 11.0 32–90
Male (%) 69.5  
Socio-economic status (in quintiles) *
 Lower 20.3  
 Upper lower 19.3  
 Lower middle 20.0  
 Upper middle 21.0  
 Upper 19.3  
English speaking (%) 78.0  
Currently smoking (%) 7.8  
Diabetes type (%)
 Type 1 9.1  
 Type 2 88.0  
 Other 2.9  
Diabetes duration (median, IQR) years 17 (13) 1–57
CKD stages
 3a 23.4  
 b 25.7  
 4 24.6  
 5 (including dialysis) 26.3  
Health Related Quality of Life
 SF-12 Physical Composite Summary 35.2 ± 11.1 12–64
 SF-12 Mental Composite Summary 47.1 ± 10.9 10–68
  1. * Socio-economic status was estimated using the Australian Bureau of Statistics data. Postcodes were coded according to the Index of Relative Social Disadvantage (IRSD), a composite measure based on selected census variables, which include income, educational attainment and employment status. IQR-Interquartile range.