Models | χ2 | df | χ2/df | IFI | TLI | CFI | RMSE A | Δ χ2(df) | |
---|---|---|---|---|---|---|---|---|---|
SOC and work engagement scales | |||||||||
(1) | 1-Factor SOC scale | 33.35 | 27 | 1.24 | 0.98 | 0.95 | 0.98 | 0.04 | – |
(2) | 1-Factor work engagement scale | 21.18 | 17 | 1.25 | 0.99 | 0.99 | 0.99 | 0.04 | – |
Job resources | |||||||||
(3a) | 2-Factors (learning and developmental opportunities at work; job control) | 30.69 | 23 | 1.33 | 0.99 | 0.97 | 0.99 | 0.05 | – |
(3b) | 1-Factor (learning and developmental opportunities at work and job control combined) | 34.71 | 24 | 1.41 | 0.98 | 0.97 | 0.98 | 0.06 | 4.02(1)** |
All study scales | Compared to (4) | ||||||||
(4) | Hypothesized 4-factors model (job control and learning and developmental opportunities at work, soc, work engagement) | 633.49 | 380 | 1.66 | 0.88 | 0.84 | 0.87 | 0.07 | – |
(5) | 3-Factors (job control, learning and developmental opportunities at work, combined soc and work engagement) | 663.90 | 383 | 1.73 | 0.86 | 0.83 | 0.86 | 0.08 | 30.41(3)** |
(6) | 2-Factors (combined job control and soc, combined learning and developmental opportunities and work engagement) | 721.52 | 385 | 1.87 | 0.84 | 0.79 | 0.83 | 0.08 | 88.03(5)** |
(7) | 2-Factors (combined job control and learning and developmental opportunities; combined soc and work engagement) | 667.61 | 385 | 1.73 | 0.86 | 0.83 | 0.86 | 0.08 | 34.12(5)** |
(8) | 1-General factor (all study scales merged) | 743.75 | 386 | 1.93 | 0.83 | 0.78 | 0.82 | 0.09 | 110.26(6)** |