Direct effects and interaction effects
| Self-efficacy (V) | Dietary supplement usage (Y) | |||
|---|---|---|---|---|
| Β | 95% CI [BLLCI, BULCI] | Β | 95% CI [BLLCI, BULCI] | |
| Model 1 | ||||
| Internet use for health information (X) | 0.083** (0.028) | [0.03, 0.14] | 0.187** (0.061) | [0.07, 0.31] |
| Self-efficacy (M) | – | – | 1.274* (0.564) | [0.17, 2.38] |
| Education (V) | – | – | 0.710* (0.366) | [0.007, 1.43] |
| Self-efficacy × education (M × V) | – | – | −0.3174* (0.114) | [−0.440, −0.015] |
| R2 = 0.021, F(1, 411) = 8.542, p < 0.005 | ||||
| Model 2 | ||||
| Online bridging (X) | 0.22** (0.071) | [0.08, 0.36] | 0.138 (0.161) | [−0.18, 0.45] |
| Self-efficacy (M) | – | – | 1.381* (0.574) | [0.26, 2.50] |
| Education (V) | – | – | 0.798* (0.376) | [0.06, 1.54] |
| Self-efficacy × education (M × V) | – | – | −0.224* (0.116) | [−0.46, −0.01] |
| R2 = 0.0238, F(1, 391) = 9.544, p < 0.005 | ||||
| Model 3 | ||||
| Online bonding (X) | 0.272* (0.130) | [0.02, 0.53] | 0.456 (0.322) | [−0.18, 1.09] |
| Self-efficacy (M) | – | – | 1.32* (0.562) | [0.22, 2.42] |
| Education (V) | – | – | 0.708* (0.364) | [0.01, 1.42] |
| Self-efficacy × education (M × V) | – | – | −0.219* (0.113) | [−0.44, −0.00] |
| R2 = 0.011, F(1, 400) = 4.391, p < 0.05 | ||||
| Self-efficacy ( | Dietary supplement usage ( | |||
|---|---|---|---|---|
| 95% CI [BLLCI, BULCI] | 95% CI [BLLCI, BULCI] | |||
| Internet use for health information ( | 0.083** (0.028) | [0.03, 0.14] | 0.187** (0.061) | [0.07, 0.31] |
| Self-efficacy ( | – | – | 1.274* (0.564) | [0.17, 2.38] |
| Education ( | – | – | 0.710* (0.366) | [0.007, 1.43] |
| Self-efficacy × education ( | – | – | −0.3174* (0.114) | [−0.440, −0.015] |
| Online bridging ( | 0.22** (0.071) | [0.08, 0.36] | 0.138 (0.161) | [−0.18, 0.45] |
| Self-efficacy ( | – | – | 1.381* (0.574) | [0.26, 2.50] |
| Education ( | – | – | 0.798* (0.376) | [0.06, 1.54] |
| Self-efficacy × education ( | – | – | −0.224* (0.116) | [−0.46, −0.01] |
| Online bonding ( | 0.272* (0.130) | [0.02, 0.53] | 0.456 (0.322) | [−0.18, 1.09] |
| Self-efficacy ( | – | – | 1.32* (0.562) | [0.22, 2.42] |
| Education ( | – | – | 0.708* (0.364) | [0.01, 1.42] |
| Self-efficacy × education ( | – | – | −0.219* (0.113) | [−0.44, −0.00] |
Note(s): *p < 0.05, **p < 0.01; Numbers in parentheses are standard errors; NS = Not significant; BLLCI = Boot lower level confidence interval; BULCI = Boot upper level confidence interval