Table 4.

Paired-samples t tests assessing work-life balance items across participants who completed the 1-week follow-up gratitude letter–writing intervention.

Variable	Baseline, mean (SD)	1-week follow-up
		Mean (SD)	t (df)	P value	95% CI
Slept less than 5 hours in a night	1.91 (0.94)	1.76 (0.92)	2.68 (260)	.01	0.04 to 0.25
Worked through a shift or day without any breaks	2.32 (1.08)	2.09 (1.04)	4.23 (256)	<.001	0.13 to 0.35
Skipped a meal	2.13 (1.00)	1.88 (0.98)	4.49 (262)	<.001	0.14 to 0.36
Ate a poorly balanced meal	2.63 (0.93)	2.36 (0.99)	5.44 (263)	<.001	0.17 to 0.37
Had difficulty sleeping	2.40 (0.99)	2.10 (1.00)	5.36 (262)	<.001	0.19 to 0.42
Arrived home late from work	2.56 (1.03)	2.24 (0.96)	5.95 (256)	<.001	0.22 to 0.43
Changed personal or family plans because of work	2.07 (0.91)	1.80 (0.83)	5.86 (260)	<.001	0.19 to 0.38
Felt frustrated by technology	2.32 (0.95)	1.97 (0.90)	6.18 (258)	<.001	0.24 to 0.46