Table 5. Multiple linear regressions to identify factors that affect obesity-related knowledge, attitude & practice.
| Demographic Variables | Knowledge | Attitude | Practice | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Β | SE | t | P | Β | SE | t | P | β | SE | t | p | |
| Age (Years) | -.723 | 1.140 | -.634 | .000* | 3.851 | 2.420 | 1.591 | .113 | -5.645 | 3.438 | .115 | .908 |
| Gender | .268 | 1.134 | .236 | .527 | -1.963 | 2.413 | -.814 | .417 | -2.617 | 3.430 | -1.642 | .102 |
| Marital Status | -.178 | 1.434 | -.124 | .813 | 2.151 | 3.053 | .705 | .482 | 5.915 | 4.328 | -.763 | .446 |
| Residence | .442 | 1.005 | .440 | .901 | 2.491 | 2.135 | 1.166 | .244 | -1.225 | 3.042 | 1.367 | .173 |
| Education Level | 5.165 | .820 | 6.296 | .660 | -.964 | 1.871 | -.515 | .607 | -5.619 | 2.639 | -.403 | .687 |
| Type of School | 1.591 | 1.065 | 1.494 | .000* | -.710 | 2.278 | -.312 | .755 | -2.928 | 3.233 | -2.129 | .034* |
| Working Time | .255 | 1.149 | .222 | .136 | -5.216 | 2.427 | -2.150 | .032* | .008 | 3.479 | -.905 | .366 |
| Professional training of teacher | -.519 | 1.378 | -.377 | .824 | -10.797 | 2.861 | -3.774 | .000* | .257 | 4.173 | .002 | .998 |
| Total Knowledge Score | Ref. | Ref. | Ref. | Ref. | .742 | .122 | 6.090 | .000* | .789 | .178 | 4.428 | .000* |
| Attitude Score | .163 | .027 | 6.090 | .707 | Ref. | Ref. | Ref. | Ref. | .105 | .086 | 1.213 | .226 |
| Practice Score | .086 | .019 | 4.428 | .000* | .052 | .043 | 1.213 | .226 | Ref. | Ref. | Ref. | Ref. |
Here, beta or β represents the standardized coefficient, a unit-free measure of effect size. ’SE’ means the standard error of the regression. ’t’ represents the t statistics which is the coefficient divided by its standard error. A p-value of <0.05 is considered statistically significant.