Table 2.

Descriptive statistics of responses by scale item.

	Time 1						Time 2
	N	Missing values	Mean (SD)	Median (IQR)	Skewness	Kurtosis	N	Missing values	Mean (SD)	Median (IQR)	Skewness	Kurtosis
Question 1	426	13	2.62 (0.679)	3 (1)	0.229	−0.398	353	9	2.6 (0.712)	3 (1)	0.272	−0.425
Question 2	428	11	2.41 (0.714)	2 (1)	0.49	−0.019	356	6	2.4 (0.679)	2 (1)	0.594	0.117
Question 3	428	11	2.45 (0.774)	2 (1)	0.332	−0.305	360	2	2.58 (0.735)	3 (1)	0.268	−0.41
Question 4	427	12	2.48 (0.845)	2 (1)	0.042	−0.59	357	5	2.57 (0.807)	3 (1)	−0.031	−0.478
Question 5	429	10	2.47 (0.789)	2 (1)	0.14	−0.405	357	5	2.51 (0.752)	2 (1)	0.196	−0.337
Question 6	418	21	2.24 (0.772)	2 (1)	0.308	−0.177	353	9	2.31 (0.756)	2 (1)	0.182	−0.255
Question 7	430	9	2.54 (0.806)	3 (1)	0.032	−0.485	360	2	2.54 (0.726)	3 (1)	−0.024	−0.266
Question 8	433	6	2.41 (0.731)	2 (1)	0.178	−0.213	360	2	2.47 (0.687)	2 (1)	0.524	−0.121
Question 9	432	7	2.42 (0.752)	2 (1)	0.081	−0.308	356	6	2.43 (0.711)	2 (1)	0.202	−0.17
Question 10	430	9	2.65 (0.733)	3 (1)	−0.088	−0.267	356	6	2.74 (0.702)	3 (1)	−0.129	−0.17
Question 11	428	11	2.52 (0.738)	3 (1)	0.007	−0.297	359	3	2.56 (0.714)	3 (1)	0.126	−0.298
Question 12	435	4	2.29 (0.769)	2 (1)	0.379	−0.087	357	5	2.37 (0.728)	2 (1)	0.185	0.065
Question 13	422	17	2.31 (0.835)	2 (1)	0.04	−0.659	357	5	2.49 (0.785)	3 (1)	−0.125	−0.416
Question 14	431	8	2.18 (0.885)	2 (1)	0.376	−0.558	357	5	2.28 (0.769)	2 (1)	0.363	−0.101
Question 15	433	6	2.12 (0.858)	2 (2)	0.298	−0.654	351	11	2.2 (0.803)	2 (1)	0.33	−0.283
Question 16	430	9	2.08 (0.854)	2 (2)	0.448	−0.415	345	17	2.17 (0.741)	2 (1)	0.276	−0.13
Question 17	420	19	2.06 (0.758)	2 (0)	0.467	0.076	345	17	2.19 (0.699)	2 (1)	0.293	0.088
Question 18	415	24	2.66 (0.73)	3 (1)	−0.353	−0.027	346	16	2.83 (0.684)	3 (1)	−0.42	0.396
Question 19	413	26	2.61 (0.776)	3 (1)	0.02	−0.437	344	18	2.78 (0.762)	3 (1)	−0.161	−0.358