Effects of a job crafting intervention program on work engagement among Japanese employees: a pretest-posttest study

Table 3 Effects of a job crafting intervention program on work engagement, job crafting, and psychological distress in the mixed growth model analyses for the whole sample (N = 50)

	Estimates of fixed effects (Crude)						Estimates of fixed effects (Adjusted)^a
	Effect	t	p	95 % CI		Effect	t	p	95 % CI
	Effect	t	p	lower	upper	Effect	t	p	lower	upper
Work engagement	0.11	2.23	0.03	0.01	0.21	0.11	2.20	0.03	0.01	0.21
Job crafting	0.13	2.37	0.02	0.02	0.25	0.13	2.36	0.02	0.02	0.25
Task crafting	0.08	1.28	0.20	−0.04	0.20	0.08	1.25	0.21	−0.05	0.20
Relational crafting	0.09	1.28	0.20	−0.05	0.23	0.09	1.28	0.20	−0.05	0.23
Cognitive crafting	0.23	2.75	0.01	0.06	0.40	0.23	2.76	0.01	0.07	0.40
Psychological distress	−0.08	−2.07	0.04	−0.15	−0.003	−0.08	−2.06	0.04	−0.15	−0.003
	Cohen’s d
	T2-T1^b	95 % CI			T3-T1^c	95 % CI		T3-T2^d	95 % CI
	T2-T1^b	lower	upper		T3-T1^c	lower	upper	T3-T2^d	lower	upper
Work engagement	0.33	0.03	0.62		0.26	−0.04	0.56	0.10	−0.21	0.42
Job crafting	0.36	0.06	0.65		0.47	0.17	0.77	0.03	−0.28	0.35
Task crafting	0.15	−0.15	0.44		0.32	0.02	0.62	0.00	−0.31	0.31
Relational crafting	0.23	−0.06	0.53		0.20	−0.10	0.50	−0.04	−0.35	0.28
Cognitive crafting	0.34	0.04	0.64		0.56	0.26	0.86	0.12	−0.19	0.44
Psychological distress	−0.15	−0.44	0.15		−0.31	−0.62	−0.01	−0.23	−0.54	0.09

CI confidence interval, T1 baseline, T2 post intervention, T3 one-month follow-up
^aAdjusted for gender, age, marital status, and educational attainment
^bCohen’s d between T1 and T2 were based on the score of the respondents who completed baseline survey and post intervention survey (N = 44)
^cCohen’s d between T1 and T3 were based on the score of the respondents who completed baseline survey and one-month follow-up survey (N = 42)
^dCohen’s d between T2 and T3 were based on the score of the respondents who completed post intervention survey and one-month follow-up survey (N = 39)

ISSN: 2050-7283