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.