Table 2. Intra-differences analysis between initial and current levels of anxiety, stress, and depression using paired Wilcoxon signed-rank test with Bonferroni-correction.

		Initial level		Current level
Demographic parameter		Mean	Median	Mean	Median	z	p
		(SD)	(Q1-Q3)	(SD)	(Q1-Q3)
Anxiety
Gender	Female	2.66 (1.14)	3 (2–3)	1.55 (0.76)	1 (1–2)	6.69	<0.001*
	Male	2.16 (1.07)	2 (1–3)	1.59 (0.75)	1 (1–2)	3.25	0.001
Teaching experience (yrs.)	< 20 years	2.6 (1.14)	3 (2–3)	1.56 (0.81)	1 (1–2)	5.87	<0.001*
	≥ 20 years	2.32 (1.12)	2 (1–3)	1.57 (0.69)	1 (1–2)	4.54	<0.001*
Subject No.	< 5 subjects	2.54 (1.16)	2 (2–3)	1.6 (0.75)	1 (1–2)	6.18	<0.001*
	≥ 5 subjects	2.37 (1.09)	2 (1–3)	1.49 (0.77)	1 (1–2)	4.13	<0.001*
Weekly teaching hours (hrs.)	5 to < 10	2.57 (1.03)	3 (2–3)	1.62 (0.81)	1 (1–2)	4.66	<0.001*
	10 to < 15	2.42 (1.18)	2 (1–3)	1.53 (0.72)	1 (1–2)	4.41	<0.001*
	15 to < 20	2.42 (1.17)	3 (1–3)	1.42 (0.69)	1 (1–2)	2.59	0.010
	≥20	2.47 (1.31)	2 (1–3)	1.63 (0.76)	1 (1–2)	2.93	0.003
Psychological distress before COVID-19	No	2.26 (1.09)	2 (1–3)	1.4 (0.63)	1 (1–2)	6.19	<0.001*
	Yes	3 (1.08)	3 (2–4)	1.95 (0.88)	2 (1–3)	4.13	<0.001*
Previous experience with online learning	No	2.51 (1.17)	2 (1.5–3)	1.53 (0.74)	1 (1–2)	6.90	<0.001*
	Yes	2.33 (0.92)	2 (2–3)	1.71 (0.81)	2 (1–2)	2.56	0.011
Major life-changing due COVID-19	No	2.48 (1.1)	2 (2–3)	1.53 (0.72)	1 (1–2)	6.71	<0.001*
	Yes	2.48 (1.27)	2 (1–3)	1.69 (0.89)	1 (1–2)	3.18	0.001
Stress
Gender	Female	2.53 (1.2)	3 (1–3)	1.63 (0.83)	1 (1–2)	6.11	<0.001*
	Male	2.04 (1)	2 (1–3)	1.73 (0.92)	1 (1–2)	1.90	0.06
Teaching experience (yrs.).	< 20 years	2.49 (1.24)	3 (1–3)	1.73 (0.92)	1 (1–2)	4.63	<0.001*
	≥ 20 years	2.17 (1.02)	2 (1–3)	1.59 (0.78)	1 (1–2)	4.17	<0.001*
Subject No.	< 5 subjects	2.46 (1.2)	2 (1–3)	1.73 (0.9)	1 (1–2)	4.99	<0.001*
	≥ 5 subjects	2.14 (1.04)	2 (1–3)	1.55 (0.77)	1 (1–2)	3.86	<0.001*
Weekly teaching hours (hrs.)	5 to < 10	2.45 (1.14)	2 (2–3)	1.66 (0.94)	1 (1–2)	3.80	<0.001*
	10 to < 15	2.19 (1.16)	2 (1–3)	1.68 (0.83)	1 (1–2)	3.27	0.001
	15 to < 20	2.42 (1.26)	2 (1–3)	1.63 (0.83)	1 (1–2)	2.55	0.011
	≥20	2.47 (1.12)	2 (2–3)	1.68 (0.82)	1 (1–2)	2.80	0.005
Psychological distress before COVID-19	No	2.05 (1.08)	2 (1–3)	1.48 (0.73)	1 (1–2)	4.68	<0.001*
	Yes	3.1 (0.98)	3 (2–4)	2.12 (0.99)	2 (1–3)	4.08	<0.001*
Previous experience with online learning	No	2.37 (1.19)	2 (1–3)	1.63 (0.87)	1 (1–2)	5.75	<0.001*
	Yes	2.29 (1)	2 (1.5–3)	1.83 (0.82)	2 (1–2)	2.34	0.019
Major life-changing due COVID-19	No	2.33 (1.14)	2 (1–3)	1.65 (0.86)	1 (1–2)	5.58	<0.001*
	Yes	2.45 (1.21)	2 (1–3)	1.72 (0.88)	1 (1–2)	2.70	0.006
Depression
Gender	Female	2.09 (1.15)	2 (1–3)	1.63 (1)	1 (1–2)	3.96	<0.001*
	Male	1.75 (0.91)	2 (1–2)	1.67 (0.86)	1 (1–2)	0.73	0.463
Teaching experience (yrs.).	< 20 years	1.99 (1.08)	2 (1–3)	1.54 (0.87)	1 (1–2)	3.87	<0.001*
	≥ 20 years	1.94 (1.09)	2 (1–3)	1.78 (1.04)	1 (1–3)	1.30	0.192
Subject No.	< 5 subjects	2.07 (1.19)	2 (1–3)	1.74 (1.03)	1 (1–3)	3.12	0.002
	≥ 5 subjects	1.76 (0.8)	2 (1–2)	1.47 (0.74)	1 (1–2)	2.33	0.020
Weekly teaching hours (hrs.)	5 to < 10	1.96 (1.13)	2 (1–3)	1.58 (0.91)	1 (1–2)	2.94	0.003
	10 to < 15	1.85 (0.95)	2 (1–2)	1.7 (1.01)	1 (1–2)	1.29	0.196
	15 to < 20	1.95 (1.27)	1 (1–3)	1.32 (0.67)	1 (1–1)	2.17	0.030
	≥20	2.32 (1.11)	2 (1–3)	2 (1.05)	2 (1–3)	1.22	0.221
Psychological distress before COVID-19	No	1.68 (0.91)	1 (1–2)	1.39 (0.71)	1 (1–2)	3.23	0.001
	Yes	2.67 (1.14)	3 (2–3)	2.26 (1.17)	2 (1–3)	2.15	0.032
Previous experience with online learning	No	1.96 (1.1)	2 (1–3)	1.62 (0.95)	1 (1–2)	3.64	<0.001*
	Yes	2 (0.98)	2 (1–3)	1.75 (0.94)	1 (1–2.5)	1.26	0.209
Major life-changing due COVID-19	No	1.89 (1.01)	2 (1–3)	1.63 (0.97)	1 (1–2)	0.30	0.003
	Yes	2.28 (1.31)	2 (1–3)	1.69 (0.89)	1 (1–2)	2.61	0.009

* significant at p<0.00104