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. 2021 Aug 17;12:714749. doi: 10.3389/fpsyg.2021.714749

Table 3.

Perceived stress, sleep disturbance, depression, and self-efficacy stratified by age (N = 683).

Variables 18–29 years
(n = 526)
30–39 years
(n = 74)
40–49 years
(n = 45)
50–59 years
(n = 25)
60+ years
(n = 13)
Kruskal-Wallis
H (df)
Sig.
Perceived stress scale total score, Median (IQR) 19.00 (12.00) 17.00 (10.25) 17.00 (12.50) 14.00 (11.00) 13.00 (17.50) 15.914 (4) 0.003
PROMIS-sleep disturbance scale total score, Median (IQR) 57.30 (14.70) 54.30 (15.43) 47.90 (10.45) 52.20 (14.35) 44.20 (28.95) 27.478 (4) 0.001
PROMIS-depression scale total score, Median (IQR) 21.00 (12.00) 17.00 (12.00) 16.00 (12.00) 15.00 (11.50) 16.00 (15.00) 21.127 (4) 0.001
Mean self-efficacy total score, Median (IQR) 6.50 (2.83) 6.92 (3.33) 7.00 (3.33) 7.00 (3.33) 6.67 (4.75) 1.971 (4) 0.741

significant p-value.