. 2024 Jan 16;14:1320826. doi: 10.3389/fpsyg.2023.1320826

Table 4.

Matrix of bivariate correlations between treatment group and outcome variables at each time point.

	2.	3.	4.	5.	6.	7.	8.	9.	10.	11.	12.	13.	14.	15.	16.
1. Treatment group^a	−0.19	0.21	−0.09	−0.23	0.07	0.12	−0.23	0.26^*	0.03	0.28^*	−0.19	0.03	−0.13	−0.19	<0.01
2. Energy T0	1	−0.35^**	0.69^**	0.54^**	0.22	0.50^**	−0.12	0.47^**	0.46^**	0.23	0.42^**	−0.25	0.32^*	0.26	−0.02
3. Stress T0		1	−0.34^**	−0.38^**	−0.25^*	−0.30^*	0.31^*	−0.23	−0.28^*	−0.12	−0.25	0.36^**	−0.06	−0.16	−0.07
4. Daily life satisfaction T0			1	0.54^**	0.26^*	0.43^**	−0.22	0.47^**	0.34^**	0.31^*	0.29^*	−0.31^*	0.35^*	0.47^**	−0.08
5. Work capacity T0				1	0.34^**	0.41^**	−0.11	0.40^**	0.64^**	0.26^*	0.41^**	−0.05	0.35^*	0.62^**	0.03
6. Self-efficacy T0					1	0.29^*	−0.42^**	0.36^**	0.29^*	0.55^**	0.21	−0.15	0.23	0.36^**	0.52^**
7. Energy T1						1	−0.45^**	0.62^**	0.68^**	0.44^**	0.56^**	−0.28^*	0.45^**	0.35^*	0.05
8. Stress T1							1	−0.43^**	−0.45^**	−0.41^**	−0.31^*	0.35^*	−0.24	−0.23	−0.43^**
9. Daily life satisfaction T1								1	0.63^**	0.49^**	0.49^**	−0.34^*	0.63^**	0.52^**	0.19
10. Work capacity T1									1	0.41^**	0.47^**	−0.10	0.53^**	0.60^**	0.19
11. Self-efficacy T1										1	0.40^**	−0.38^**	0.44^**	0.43^**	0.59^**
12. Energy T2											1	−0.44^**	0.63^**	0.59^**	0.30^*
13. Stress T2												1	−0.44^**	−0.30^*	−0.34^*
14. Daily life satisfaction T2													1	0.77^**	0.38^**
15. Work capacity T2														1	0.27
16. Self-efficacy T2															1

^aA positive correlation with treatment group reflects a higher score on the outcome variable of interest for the intervention group. ^*Significant at the 0.05 level. ^**Significant at the 0.01 level.