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

Table 1 Baseline characteristics

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

* 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.

ISSN: 1477-7525