Table 3.

Comparison between high, moderate, and low users of the Smartautism app for each item of the attrition questionnaire.

Item				Pairwisea				Between-group
				W test statistic		P value		Chi-square (df)		P value		Effect size
1								19.70 (2)		<.001		0.519
	High	Moderate	−3.88		.02
	High	Low	−5.72		<.001
	Moderate	Low	—b		—
2								19.70 (2)		<.001		0.519
	High	Moderate	−3.88		.02
	High	Low	−5.72		<.001
	Moderate	Low	—		—
3								—		—		—
4								30.10 (2)		<.001		0.792
	High	Moderate	−4.92		.001
	High	Low	−7.10		<.001
	Moderate	Low	4.69		.003
5								8.76 (2)		.01		0.231
	High	Moderate	−1.27		.64
	High	Low	−3.99		.01
	Moderate	Low	−1.56		.51
6								—		—		—
7								26.45 (2)		<.001		0.696
	High	Moderate	−4.27		.007
	High	Low	−6.57		<.001
	Moderate	Low	−2.71		.135
8								32.31 (2)		<.001		0.850
	High	Moderate	−5.68		<.001
	High	Low	−7.51		<.001
	Moderate	Low	−1.56		.51
9								—		—		—
10								29.06 (2)		< .001		0.765
	High	Moderate	−4.92		.001
	High	Low	−7.04		<.001
	Moderate	Low	0		>.999
11								—		—		—
12								—		—		—
13								—		—		—

^aPairwise comparisons are presented for significant items.

^bMissing or unquantifiable data.