Mediation analyses of generational differences in work motivation
| Outcome variable | Mediator | Generation comparison | Direct effect (c′) | Indirect effect (ab) | 95% CI for ab | Total effect (c) | PM (%) |
|---|---|---|---|---|---|---|---|
| Job security | Conscientiousness | Gen X vs Gen Y | 0.606** | 0.084* | [0.032, 0.149] | 0.690** | 12.2 |
| Job security | Conscientiousness | Gen X vs Gen Z | 0.823** | 0.127* | [0.061, 0.206] | 0.950** | 13.4 |
| Traditional commitment | Conscientiousness | Gen X vs Gen Y | 0.389** | 0.071* | [0.025, 0.128] | 0.470** | 15.1 |
| Traditional commitment | Conscientiousness | Gen X vs Gen Z | 0.761** | 0.109* | [0.054, 0.178] | 0.870** | 12.5 |
| Meaningful work | Openness | Gen Y vs Gen X | 0.091 | 0.089* | [0.034, 0.156] | 0.180 | — |
| Meaningful work | Openness | Gen Z vs Gen X | 0.303** | 0.067* | [0.019, 0.127] | 0.370** | 18.1 |
| Flexibility | Extraversion | Gen Z vs Gen X | 0.736** | 0.134* | [0.071, 0.210] | 0.870** | 15.4 |
| Flexibility | Extraversion | Gen Z vs Gen Y | 0.313** | 0.087* | [0.031, 0.154] | 0.400** | 21.8 |
| Outcome variable | Mediator | Generation comparison | Direct effect (c′) | Indirect effect (ab) | 95% | Total effect (c) | |
|---|---|---|---|---|---|---|---|
| Job security | Conscientiousness | Gen X vs Gen Y | 0.606 | 0.084 | [0.032, 0.149] | 0.690 | 12.2 |
| Job security | Conscientiousness | Gen X vs Gen Z | 0.823 | 0.127 | [0.061, 0.206] | 0.950 | 13.4 |
| Traditional commitment | Conscientiousness | Gen X vs Gen Y | 0.389 | 0.071 | [0.025, 0.128] | 0.470 | 15.1 |
| Traditional commitment | Conscientiousness | Gen X vs Gen Z | 0.761 | 0.109 | [0.054, 0.178] | 0.870 | 12.5 |
| Meaningful work | Openness | Gen Y vs Gen X | 0.091 | 0.089 | [0.034, 0.156] | 0.180 | — |
| Meaningful work | Openness | Gen Z vs Gen X | 0.303 | 0.067 | [0.019, 0.127] | 0.370 | 18.1 |
| Flexibility | Extraversion | Gen Z vs Gen X | 0.736 | 0.134 | [0.071, 0.210] | 0.870 | 15.4 |
| Flexibility | Extraversion | Gen Z vs Gen Y | 0.313 | 0.087 | [0.031, 0.154] | 0.400 | 21.8 |
Coefficients represent unstandardised regression estimates from PROCESS (Model 4). Indirect effects were estimated using bias-corrected bootstrap confidence intervals. *p < 0.05, **p < 0.01. PM (%) = proportion mediated, calculated as (ab/c) × 100 and reported only when the total effect (c) was statistically significant. Separate mediation models were estimated for each pairwise generational comparison
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