. 2022 Mar 8;8(3):e32694. doi: 10.2196/32694

Table 2.

Differences and interactions between phases^a and transition of SI^b on different scales.

	Phase	Mean score (SD)					Effect of phase				Effect of group				Interaction
		No SI	Improved SI	Worsened SI	Persistent SI	F (df)		P value	η_G²^c	F (df)		P value	η_G²	F (df)		P value	η_G²
LSNS-6^d
	1	16.84 (3.71)	7.89 (2.77)	14.58 (2.73)	5.50 (3.31)	15.18 (1, 7889)		<.001	0.000	8071.80 (3, 7889)		<.001	0.640	2046.36 (3, 7889)		<.001	0.066
	2	16.46 (3.55)	14.56 (2.83)	7.81 (2.93)	5.21 (3.28)	N/A^e		N/A	N/A	N/A		N/A	N/A	N/A		N/A	N/A
UCLA-LS3^f
	1	19.56 (4.67)	23.07 (4.61)	22.26 (4.55)	26.41 (5.20)	10.51 (1, 7889)		.001	0.000	1096.28 (3, 7889)		<.001	0.259	38.59 (3, 7889)		<.001	0.002
	2	19.87 (4.86)	22.13 (4.76)	23.38 (4.59)	26.62 (5.33)	N/A		N/A	N/A	N/A		N/A	N/A	N/A		N/A	N/A
K6^g
	1	3.99 (4.38)	5.23 (5.37)	4.96 (4.88)	6.12 (5.77)	536.70 (1, 7889)		<.001	0.013	103.10 (3, 7889)		<.001	0.030	2.64 (3, 7889)		.048	0.000
	2	2.63 (4.01)	3.37 (4.87)	3.68 (4.82)	4.71 (5.63)	N/A		N/A	N/A	N/A		N/A	N/A	N/A		N/A	N/A
PHQ-9^h
	1	3.05 (4.06)	4.41 (5.39)	4.19 (5.05)	5.53 (5.93)	168.90 (1, 7889)		<.001	0.004	126.46 (3, 7889)		<.001	0.038	2.32 (3, 7889)		.073	0.000
	2	2.4 (3.89)	3.27 (5.19)	3.49 (4.88)	4.77 (6.07)	N/A		N/A	N/A	N/A		N/A	N/A	N/A		N/A	N/A

^aPhase 1: between May 11 and 12, 2020, in the final phase of the first state of emergency; phase 2: between February 24 and 28, 2021, in the final phase of the second state of emergency.

^bSI: social isolation.

^cη_G²: 0.010, small; 0.060, medium; 0.140, large.

^dLSNS-6: Lubben Social Network Scale (shortened version).

^eN/A: not applicable.

^fUCLA-LS3: University of California, Los Angeles (UCLA) Loneliness Scale, Version 3.

^gK6: Kessler Psychological Distress Scale-6.

^hPHQ-9: Patient Health Questionnaire-9.