Table 4.

The means (M), standard deviations (SD), and intercorrelations (r).

	M	SD	Purpose			Autonomous motivation			Work engagement
			T1 a	T2	T3	T1	T2	T3	T1	T2	T3
Purpose
T1 a	3.61	0.52	1
T2	3.50	0.53	0.51 ***	1
T3	3.51	0.59	0.49 ***	0.40 **	1
Autonomous motivation
T1	3.76	0.59	0.37 **	0.39 **	0.05	1
T2	3.69	0.74	0.14	0.27 **	0.14	0.60 ***	1
T3	3.54	0.71	0.23	0.17	0.25	0.30 *	0.32 *	1
Work engagement
T1	4.90	0.88	0.32 *	0.28 *	0.22	0.54 ***	0.30 *	0.27 *	1
T2	4.79	1.04	0.09	0.23	0.16	0.47 ***	0.64 ***	0.28 *	0.40 **	1
T3	4.60	0.93	0.93	0.25	0.43 **	0.23	0.27 *	0.66 ***	0.37 **	0.45 ***	1

^aT1–T3 = Time-points 1, 2, 3; significance (two-tailed).

^*p < 0.05;

^**p < 0.01;

^***p < 0.001.