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. 2022 Nov 11;6(11):e39634. doi: 10.2196/39634

Table 2.

Model comparisons for each step of the hierarchical regression analysis.

Stepa F test (df) R 2 Adjusted R2 ΔR2
1 9.12 (3,365) 0.07 0.06 0.07
2 17.71 (5,363) 0.20 0.19 0.13
3 17.56 (6,362) 0.23 0.21 0.03
4 91.03 (7,361) 0.64 0.63 0.41
5 80.80 (8,360) 0.64 0.63 0.004

aP<.001 for all steps and ΔR2.