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. 2022 Dec 14;6(12):e38479. doi: 10.2196/38479

Table 5.

Target engagement of SenseSupporta.


Slope of change during data sharing- and JITAIsb-On weeks, mean (SD) Slope of change during data sharing- and JITAIs-Off weeks, mean (SD) t test (df) P valuec Cohen d
Weekly episodes of fasting for ≥5 hours 0.04 (0.14) 0.07 (0.20) −0.82 (44) .21 −0.13
On how many days have you been deliberately trying to limit the amount of food you eat to influence your shape or weight (whether or not you have succeeded)? 0.03 (0.08) −.01 (0.10) 1.60 (44) .06 0.24
On how many days have you gone for long periods (8 waking hours or more) without eating anything at all to influence your shape or weight? 0.01 (0.06) 0.02 (0.08) −1.05 (44) .15 −0.16
On how many days have you tried to exclude from your diet any foods that you like to influence your shape or weight (whether or not you have succeeded)? −0.003 (0.11) .02 (0.11) −0.84 (44) .20 −0.13
On how many days have you tried to follow definite rules regarding your eating (eg, a calorie limit) to influence your shape or weight (whether or not you have succeeded)? 0.02 (0.11) 0.01 (0.08) 0.77 (44) .22 0.12
On how many days have you had a definite desire to have an empty stomach with the aim of influencing your shape or weight? 0.04 (0.09) −0.002 (0.08) 1.69 (44) .049 0.25

aPositive values for change in eating disorder behaviors indicate decreases in the frequency of behavior during the period of interest.

bJITAI: just-in-time, adaptive intervention.

cItalicized P values indicate statistical significance.