|  |  | Hierarchical stepwise regression analysis | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Simple correlation | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | ||||||
Baseline variables | r | P | β | P | β | P | β | P | β | P | β | P |
Sex (male = 1, female = 0) | -0.106 | 0.071 | - | - | - | - | - | - | - | - | - | - |
Age | -0.219 | <0.001 | -0.180 | 0.001 | -0.153 | <0.001 | -0.154 | 0.001 | - | - | - | - |
Duration of illness | 0.016 | 0.788 | - | - | - | - | Â | - | - | - | - | - |
Treatment regimen (diet only = 1, medication = 0) | -0.318 | <0.001 | -0.294 | <0.001 | -0.278 | 0.001 | -0.274 | <0.001 | -0.155 | 0.001 | -0.155 | 0.001 |
No. of microvascular complications of diabetes | 0.102 | 0.082 | - | - | - | - | - | - | - | - | - | - |
DTSQ | -0.202 | 0.001 | NI | NI | -0.115 | 0.030 | NI | NI | - | - | NI | NI |
W-BQ12 | -0.137 | 0.020 | NI | NI | - | - | - | - | - | - | - | - |
PAID | 0.220 | <0.001 | NI | NI | NI | NI | 0.140 | 0.014 | NI | NI | - | - |
SES | -0.095 | 0.108 | NI | NI | - | - | - | - | - | - | - | - |
Social Support Scale | -0.054 | 0.358 | NI | NI | - | - | - | - | - | - | - | - |
Self-Efficacy Scale | -0.166 | 0.001 | NI | NI | - | - | - | - | - | - | - | - |
HbA1c | 0.675 | <0.001 | NI | NI | NI | NI | NI | NI | 0.638 | <0.001 | 0.634 | <0.001 |
Adjusted R2 | Â | Â | 0.127 | Â | 0.138 | Â | 0.144 | Â | 0.479 | Â | 0.474 | Â |
F | Â | Â | 22 | <0.001 | 16.2 | <0.001 | 17.0 | <0.001 | 132 | <0.001 | 130 | <0.001 |