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. 2020 Jun 11;22(6):e17640. doi: 10.2196/17640

Table 4.

Simple effects of the perceived importance of health and BMI on exercise behaviors.

Exercise behaviors scores, mean (SD) Perception groups Perception effect


Low High F test (df) P value
BMI groups




BMI<18.5 11.86 (3.77) 11.90 (2.40)a,b 0.002 (1,39) .97

18.5≤BMI<24 13.25 (3.49) 14.60 (3.62)a 7.34 (1,207) .007

BMI≥24 12.43 (3.01) 15.89 (3.32)b 25.03 (1,82) <.001
BMI effect




F test (df) 1.87 (2,153) 8.72 (2,175) N/Ac N/Ac

P value .16 <.001 N/Ac N/Ac

aIndicates belonging to the a pair, and statistically significant difference between the pairings (P=.006)

bIndicates belonging to the b pair, and statistically significant difference between the pairings (P<.001).

cN/A: Not applicable.