Figure and Table | Development of Modified Japanese Versions of Questionnaires to Assess Physical and Cognitively Stimulating Activities

Table 1. Inter-Rater Reliability and Test-Retest Reproducibility of the Physical Activity Questionnaire.

From: Development of Modified Japanese Versions of Questionnaires to Assess Physical and Cognitively Stimulating Activities

		Inter-rater reliability			Test-retest reproducibility
		Cronbach’s alpha coefficient	Spearman’s rank correlation		ICC (2,1)	Spearman’s rank correlation
		Cronbach’s alpha coefficient	rho	p-value	ICC (2,1)	rho	p-value
Frequency	Light physical activity	0.971	0.944	<0.0001	0.847 (0.743, 0.912)	0.825	<0.0001
	Light exercise	0.977	0.972	<0.0001	0.854 (0.753, 0.916)	0.853	<0.0001
	Moderate physical activity	0.969	0.744	<0.0001	0.933 (0.883, 0.962)	0.704	<0.0001
	Moderate exercise	0.972	0.964	<0.0001	0.684 (0.498, 0.810)	0.819	<0.0001
	Heavy physical activity	0.838	0.953	<0.0001	0.792 (0.656, 0.878)	0.822	<0.0001
	Intense exercise	0.979	0.905	<0.0001	0.379 (0.113, 0.595)	0.576	<0.0001
Average duration per day (min)	Light physical activities	0.955	0.904	<0.0001	0.874 (0.786, 0.928)	0.827	<0.0001
	Light exercise	0.982	0.906	<0.0001	0.930 (0.879, 0.960)	0.823	<0.0001
	Moderate physical activity	0.963	0.836	<0.0001	0.850 (0.747, 0.913)	0.600	<0.0001
	Moderate exercise	0.914	0.896	<0.0001	0.762 (0.611, 0.859)	0.774	<0.0001
	Heavy physical activity	0.948	0.951	<0.0001	0.205 (−0.084, 0.462)	0.786	<0.0001
	Intense exercise	0.975	0.889	<0.0001	0.768 (0.623, 0.863)	0.596	<0.0001
Frequency × Duration	Light physical activity	0.951	0.894	<0.0001	0.861 (0.765, 0.920)	0.818	<0.0001
	Light exercise	0.982	0.955	<0.0001	0.576 (0.348, 0.739)	0.824	<0.0001
	Moderate physical activity	0.996	0.793	<0.0001	0.990 (0.983, 0.995)	0.749	<0.0001
	Moderate exercise	0.985	0.968	<0.0001	0.965 (0.938, 0.980)	0.824	<0.0001
	Heavy physical activity	0.997	0.953	<0.0001	0.385 (0.112, 0.602)	0.802	<0.0001
	Intense exercise	0.995	0.913	<0.0001	0.576 (0.353, 0.737)	0.583	<0.0001
Regular programs		1	1	1	<0.0001	1 (1, 1)	1

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Table 2. Inter-Rater reliability and Test-Retest Reproducibility of the Cognitively Stimulating Activity Questionnaire.

From: Development of Modified Japanese Versions of Questionnaires to Assess Physical and Cognitively Stimulating Activities

	Inter-rater reliability			Test-retest reproducibility
	Cronbach's alpha coefficient	Spearman's rank correlation		ICC (2,1)	Spearman's rank correlation
	Cronbach's alpha coefficient	rho	p-value	ICC (2,1)	rho	p-value
Reading newspapers	0.990	0.978	<0.0001	0.974 (0.954, 0.985)	0.979	<0.0001
Reading magazines	0.929	0.844	<0.0001	0.904 (0.835, 0.945)	0.816	<0.0001
Reading books	0.928	0.922	<0.0001	0.857 (0.759, 0.917)	0.857	<0.0001
Playing games	0.930	0.985	<0.0001	0.823 (0.706, 0.897)	0.871	<0.0001
Playing music by yourself	0.926	0.846	<0.0001	0.947 (0.907, 0.970)	0.846	<0.0001
Artistic activities	0.999	1.000	<0.0001	1 (1, 1)	1.000	<0.0001
Mental activities	1.000	0.937	<0.0001	0.994 (0.989, 0.996)	1.000	<0.0001
Handicraft	0.929	0.877	<0.0001	0.994 (0.990, 0.997)	0.899	<0.0001
Group activities	0.884	0.937	<0.0001	0.737 (0.577, 0.843)	0.691	<0.0001
Social activities	0.873	0.723	<0.0001	0.668 (0.475, 0.800)	0.743	<0.0001
Using a computer (including smartphone)	0.898	0.939	<0.0001	0.667 (0.478, 0.798)	0.773	<0.0001
Television	0.986	0.927	<0.0001	0.862 (0.767, 0.920)	0.889	<0.0001

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