A prospective cross-sectional study on quality of life and treatment satisfaction in type 2 diabetic patients with retinopathy without other major late diabetic complications

Table 3 Multivariate linear regression for the audit of diabetes dependent quality of life

Coefficients	Estimate	Standard deviation	p-value
Intercept	0.8020	0.5098	0.1168
Diabetes duration (years)	−0.0269	0.0418	0.5203
Diabetes duration-squared (years²)	0.0008	0.001	0.6305
Retinopathy	0.0108	0.3645	0.9762
Insulin	1.6923	0.8318	0.0428
Age >65	0.2798	0.1155	0.0161
Ethnicity	−1.0309	0.27292	0.0001
Waist (centimetres)	−0.0116	0.0044	0.0101
Diabetes duration* DR	−0.0483	0.0851	0.5705
Diabetes duration-squared * DR	0.0003	0.0039	0.9302
Diabetes duration * insulin	−0.7326	0.2457	0.0031
Diabetes duration-squared* insulin	0.0394	0.0152	0.0102
DR * insulin	−1.9684	0.9583	0.0409
Diabetes duration * DR * insulin	0.7348	0.2590	0.0049
Diabetes duration-squared* DR * Insulin	−0.0394	0.0156	0.0122

Multiple R-squared: 32.69%. *stands for the existence of interactions between variables. DR: diabetic retinopathy.

ISSN: 1477-7525