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Table 2 Results of multiple regression analysis for health-related quality of life and life satisfaction in adults with type 1 diabetes

From: Determinants of quality of life in adults with type 1 and type 2 diabetes

  Model 1 Model 2 Model 3 Model 4
  β (HRQL/LS) β (HRQL/LS) β (HRQL/LS) β (HRQL/LS)
Personal factors     
Age - 0.11*/0.09    0.02/0.10
Gender 0.03/0.08    - 0.01/0.07
Marital status 0.06/0.12    0.06/0.11*
Education 0.08/0.02    0.02/-0.01
Income 0.03/0.16    - 0.01/0.16
Personality (activity trait) 0.38/0.30    0.28/0.27
Medical factors     
Diabetes duration   - 0.07/0.06   - 0.05/0.03
Insulin use   N/A   N/A
Number of comorbidities   - 0.31/- 0.11   - 0.27/- 0.09
Body mass index   - 0.16/- 0.09   - 0.12/- 0.03
Lifestyle factors     
Smoking    -0.14/0.07 - 0.14/- 0.03
Physical activity    0.29/0.08 0.16/0.00
Diet-general    -0.04/0.06 - 0.07/0.03
Diet-specific    0.03/0.08 0.02/0.06
Diet-spacing    0.11*/0.03 0.09/0.03
Adjusted R 2 0.17/0.13 0.15/0.02 0.11/0.03 0.29/0.14
  1. *p < 0.05, p < 0.01
  2. HRQL: health-related quality of life, LS: life satisfaction
  3. Smoking was coded: non-smoker = 0, current smoker = 1