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. 2022 Sep 23;9(9):e38067. doi: 10.2196/38067

Table 3.

Parametric analysis of repeated measures ANOVA for differences between times and groups with regard to the Occupational Stress Inventory.

Subscale and groupa Timeb F (df) P value η2p

T1, mean (SD) T2, mean (SD) T3, mean (SD)


Social support score






Group 1 7.13 (1.73) 6.50 (2.62) 5.88 (2.85) 1.57 (2,18) .24 0.15

Group 2 5.20 (2.15) 6.10 (1.85) 6.10 (2.77) 1.68 (2,18) .21 0.16

Group 3 5.00 (3.00) 5.00 (1.73)  5.33 (3.79) 0.07 (2,18) .93 0.01

Group 4 7.00 (2.83) 7.50 (2.12) 7.50 (0.71) 0.10 (2,18) .90 0.01
Task-oriented score






Group 1 5.25 (1.98)  5.88 (2.30) 5.50 (3.12) 0.40 (2,18) .67 0.04

Group 2 5.20 (1.55) 6.90 (1.45) 6.70 (2.50) 3.97 (2,18) .04 0.31

Group 3 6.33 (1.16) 5.33 (0.58) 4.33 (3.06) 1.16 (2,18) .34 0.11

Group 4 7.00 (2.83) 6.00 (0.00) 7.00 (1.41) 0.33 (2,18) .72 0.04
Home-work relationship score






Group 1 6.63 (1.69) 7.00 (1.07) 5.75 (1.58) 2.12 (2,18) .15 0.19

Group 2 5.80 (1.32) 6.30 (1.64) 7.00 (1.33) 1.93 (2,18) .17 0.18

Group 3 6.33 (2.08) 5.00 (1.73) 6.67 (2.52) 1.56 (2,18) .24 0.15

Group 4 8.00 (1.41) 7.50 (0.71) 8.50 (0.71) 0.33 (2,18) .72 0.04
Logic score






Group 1 3.88 (1.64) 5.63 (2.50) 4.63 (2.33) 5.48 (2,18) .01 0.38

Group 2 5.20 (1.81) 5.20 (1.75) 5.10 (2.08) 0.02 (2,18) .99 0.00

Group 3 6.00 (1.00) 5.00 (0.00) 3.33 (2.52) 2.50 (2,18) .11 0.22

Group 4 6.00 (1.41) 6.00 (2.83) 6.00 (0.00) 0.00 (2,18) >.99 0.00
Time score






Group 1 4.63 (2.13) 4.63 (2.26) 4.25 (1.75)  0.15 (2,18) .86 0.02

Group 2 5.00 (2.00) 6.00 (1.83) 5.70 (2.45)  1.62 (2,18) .23 0.15

Group 3 4.33 (1.16) 5.33 (2.08) 4.67 (1.53) 0.57 (2,18) .57 0.06

Group 4 6.00 (4.24) 7.00 (2.83) 7.00 (1.41) 0.33 (2,18) .72 0.04
Involvement score






Group 1 5.25 (1.58) 6.50 (1.31) 5.13 (1.81) 1.79 (2,18) .20 0.17

Group 2 5.70 (2.31) 6.70 (1.57) 6.00 (2.21) 1.16 (2,18) .34 0.11

Group 3 6.33 (1.16) 6.00 (1.00) 6.00 (2.65) 0.06 (2,18) .95 0.01

Group 4 7.50 (2.12) 6.50 (4.95) 7.50 (0.71) 0.26 (2,18) .77 0.03
Mental health score






Group 1 6.00 (2.98) 5.13 (2.59) 5.75 (1.67) 0.70 (2,18) .51 0.07

Group 2 4.50 (2.01) 3.00 (2.00) 5.10 (3.32) 6.70 (2,18) .007 0.43

Group 3 4.33 (3.06) 3.33 (2.52) 5.00 (3.61) 1.27 (2,18) .31 0.12

Group 4 2.00 (1.41) 2.00 (1.41) 1.00 (0.00) 0.42 (2,18) .67 0.04
Physical health score






Group 1 6.75 (2.87) 5.75 (2.05) 5.75 (1.28) 0.90 (2,18) .43 0.09

Group 2 7.60 (1.90) 5.70 (2.00) 5.50 (2.99) 4.17 (2,18) .03 0.32

Group 3 6.00 (3.00) 4.67 (2.52) 5.33 (4.16) 0.61 (2,18) .55 0.06

Group 4 4.50 (2.12) 3.00 (1.41) 7.50 (3.54) 2.70 (2,18) .09 0.23

aGroup 1 received only traditional therapy; group 2 received both traditional therapy and the support of a conversational artificial intelligence agent; group 3 received only the support of a conversational artificial intelligence agent; and group 4 did not receive any treatment (control group).

bT1 indicates before treatment, T2 indicates at the end of treatment, and T3 indicates 3 months after the end of treatment.