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. 2023 Jul 8;18(1):nsad036. doi: 10.1093/scan/nsad036

Table 4.

Linear mixed-effects models assessing moderating role of WM networks and behavioral accuracy on the relationship between image intensity and acceptance strategy use

Model Variable Inline graphic (SE) t-value P-value 95% CI, LB, UB
Acceptance strategy use ∼ combined-WM + image intensity + combined-WM × image intensity Intercept 64.66 (2.93) 22.04 <0.001*** 58.94, 70.38
Image intensity −9.86 (4.01) −2.46 0.016* −17.71, −2.00
Combined-WM −85.13 (70.80) −1.20 0.231 −223.20, 52.93
Combined-WM × image intensity 102.75 (96.75) 1.06 0.291 −86.78, 292.28
Acceptance strategy use ∼ low-WM + image intensity + low-WM× image intensity Intercept 64.66 (2.94) 22.03 <0.001*** 58.94, 70.39
Image intensity −9.86 (4.02) −2.45 0.016* −17.74, −1.97
Low-WM 141.71 (127.46) 1.11 0.268 −106.84, 390.25
Low-WM × image intensity −108.09 (174.71) −0.62 0.538 −450.36, 234.19
Acceptance strategy use ∼ high-WM + image intensity + high-WM× image intensity Intercept 64.66 (2.94) 22.02 <0.001*** 58.94, 70.39
Image intensity −9.86 (4.01) −2.46 0.016* −17.71, −2.00
High-WM −92.49 (105.97) −0.87 0.384 −299.14, 114.16
High-WM × image intensity 155.10 (144.65) 1.07 0.286 −128.29, 438.48
Acceptance strategy use ∼ average 2-back accuracy + image intensity + average 2-back accuracy × image intensity Intercept 64.66 (2.91) 22.23 <0.001*** 58.99, 70.33
Image intensity −9.86 (3.94) −2.50 0.014* −17.58, −2.13
Average 2-back accuracy −24.81 (30.97) −0.80 0.424 −85.21, 35.59
Average 2-back accuracy × image intensity 90.03 (41.99) 2.14 0.034* 7.77, 172.29

Notes: Each linear mixed-effects model was conducted using N = 104 participants. Image intensity is dummy-coded, and WM network strength and the average 2-back accuracy scores are grand mean-centered. For each model, displayed regression coefficients are unstandardized. LB: lower bound; UB: upper bound.

*

P < 0.05.

**

P < 0.01.

***

P < 0.001.