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 6 Relationship between treatment satisfaction and quality of life

Coefficients	Estimate	Standard deviation	p-value
Intercept	0.3086	0.5783	0.594
Treatment satisfaction (DTSQ) total score	0.0166	0.0111	0.137
Insulin	0.3869	0.9188	0.674
Retinopathy (DR)	−0.0256	0.3506	0.942
Diabetes duration (years)	−0.0343	0.0404	0.396
Diabetes duration-squared (years²)	0.0011	0.0017	0.528
Age >65	0.2809	0.1108	0.012
Waist	−0.0109	0.0043	0.012
Insulin * DR	−1.8622	0.9199	0.044
DR * Diabetes duration	−0.0424	0.0818	0.604
DR * Diabetes duration-squared	0.0002	0.0038	0.947
Insulin * Diabetes duration	−0.6268	0.2367	0.009
Insulin * Diabetes duration-squared	0.0330	0.0146	0.025
DR * Insulin * Diabetes duration	0.6405	0.2492	0.011
DR * Insulin * Diabetes duration-squared	−0.0333	0.0150	0.028
DTSQ total score * insulin	0.0433	0.0157	0.010

Multiple R-squared: 38.49%. *stands for the existence of interactions between variables. DTSQ: diabetes treatment satisfaction questionnire; DR: diabetic retinopathy.

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