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Table 3 Model outputs

From: Effects of a 14-day social media abstinence on mental health and well-being: results from an experimental study

 

Depression/Anxiety

Screen time

PSU

Loneliness

State FoMO

trait FoMO

BID

Appearance Evaluation

Appearance Orientation

Overweight Preoccupation

Body Area Satisfaction

Self-classified Weight

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

b (SE)

M1

fixed effects

Intercept

3.21*** (0.31)

223.00*** (12.48)

27.99*** (0.85)

4.25*** (0.18)

2.13*** (0.07)

2.69*** (115.56)

2.20*** (0.51)

23.39*** (0.65)

37.77*** (0.85)

8.77*** (0.38)

29.59*** (0.63)

5.92*** (0.11)

T1

-0.60* (0.24)

-21.93 (11.38)

4.02*** (0.72)

-0.66*** (0.14)

-0.22*** (0.06)

-0.52*** (157.63)

-0.44 (0.25)

0.99** (0.36)

-0.70 (0.44)

-0.29 (0.20)

0.70 (0.37)

-0.10(0.06)

T2

-0.03 (0.25)

9.08 (11.82)

1.46 (0.75)

0.16 (0.15)

-0.07 (0.06)

-0.08 (160.57)

0.01 (0.26)

-0.09 (0.38)

0.81 (0.46)

0.04 (0.21)

0.18 (0.38)

-0.01 (0.06)

random effects

\({\sigma }_{u\left(Intercept\right)}^{2}\)

5.85 (2.42)

7840.00 (88.54)

50.46 (7.10)

1.93 (1.39)

0.48 (0.69)

0.58 (0.76)

21.65 (4.65)

31.31 (5.60)

60.47 (7.78)

10.23 (3.20)

25.58 (5.06)

0.97 (0.98)

\({\sigma }_{u\left(Time\right)}^{2}\)

  

6.39 (2.53)

0.12 (0.35)

0.09 (0.30)

0.11 (0.33)

0.37 (0.61)

 

0.88 (0.94)

0.53 (0.73)

0.35 (0.60)

 

Fit

AIC

1116.2

3000.5

1667.1

858.86

429.63

534.1

1234.2

1387

1505.1

1124.9

1390.5

515.39

BIC

1133.8

3018.1

1691.8

883.49

454.25

558.72

1258.9

1404.6

1529.7

1149.6

1415.1

532.98

M2

fixed effects

Intercept

-0.38 (1.22)

144.39** (50.16)

24.48*** (2.37)

2.05** (0.71)

0.70* (0.27)

2.12*** (0.37)

3.51 (2.30)

31.45*** (2.56)

32.18*** (3.78)

6.15*** (1.51)

37.74*** (2.48)

5.65*** (0.35)

T1

-0.51 (0.38)

1.14 (17.78)

-2.91* (1.12)

-0.8*** (0.22)

-0.18 (0.09)

-0.41*** (0.11)

0.12 (0.38)

1.37* (0.57)

-1.17 (0.69)

-0.66* (0.32)

0.34 (0.58)

-0.08 (0.10)

T2

-0.08 (0.39)

-6.13 (18.15)

-0.32 (1.15)

0.20 (0.22)

-0.10 (0.09)

-0.19 (0.11)

-0.05 (0.39)

-0.15 (0.58)

0.68 (0.70)

0.19 (0.32)

0.47 (0.59)

0.04 (0.10)

Group

-0.58 (0.59)

-37.15 (25.12)

-1.86(1.70)

-0.28 (0.35)

-0.15 (0.13)

-0.37* (0.18)

-0.54 (1.04)

0.94 (1.17)

1.99 (1.70)

0.32 (0.69)

0.37 (1.17)

0.05 (0.16)

FCV

0.23*** (0.06)

1.64 (1.29)

0.39* (0.17)

0.11** (0.03)

0.03* (0.01)

0.01 (0.02)

-0.14 (0.11)

-0.47*** (0.12)

-0.12 (0.18)

0.06 (0.07)

-0.43*** (0.12)

-0.03 (0.02)

PSU

0.039 (0.03)

4.09 (2.44)

 

0.03 (0.02)

0.04*** (0.01)

0.02* (0.01)

0.02 (0.06)

-0.05 (0.07)

0.20* (0.10)

0.02 (0.04)

-0.07 (0.06)

0.01 (0.01)

T1 * Group

-0.15 (0.49)

-38.90 a (23.09)

-1.87 (1.46)

0.23 (0.28)

-0.07 (0.12)

-0.19 (0.14)

-0.95 a (0.50)

-0.64 (0.74)

0.80 (0.89)

0.62 (0.41)

0.60 (0.75)

-0.03 (0.13)

T2 * Group

0.08 (0.51)

25.36 (23.87)

-2.04 (1.52)

-0.07 (0.30)

0.05 (0.12)

0.18 (0.15)

0.08 (0.52)

0.10 (0.76)

0.22 (0.93)

-0.27 (0.43)

-0.52(0.78)

-0.08 (0.13)

BID

       

-0.50*** (0.11)

-0.16 (0.16)

0.35*** (0.06)

-0.42*** (0.11)

0.15*** (0.01)

random effects

\({\sigma }_{u\left(Intercept\right)}^{2}\)

4.77 (2.18)

7554 .00 (86.91)

48.92 (6.99)

1.58 (1.26)

0.27 (0.52)

0.52 (0.72)

21.96 (4.69)

22.79 (4.77)

57.35 (7.57)

7.90 (2.81)

18.74 (4.33)

0.39 (0.63)

\({\sigma }_{u\left(Time\right)}^{2}\)

  

5.43 (2.33)

0.12 (0.35)

0.09 (0.30)

0.12 (0.34)

0.36 (0.60)

 

0.84 (0.92)

0.55 (0.74)

0.38 (0.62)

 

Fit

AIC

1103.4

2999.3

1664

848.77

512.56

533.98

1238.5

1368.5

1509.3

1107.8

1376.4

452.2

BIC

1128

3023.9

1692.2

880.43

454.77

576.19

1280.7

1407.2

1555.1

1153.5

1422.2

490.9

  1. T1 = Baseline vs. End of Intervention, T2 = End of intervention vs. follow-up, PSU Problematic smartphone use, FoMO Fear of Missing Out, BID Body image dissatisfaction, AIC Akaike Information Criterion, BIC Bayesian Information criterion, FCV Fear of COVID-19. Two-sided p-values: *p < .05, **p < .01, ***p < .001. One-sided p-values: a p < .05, b = estimated coefficient, SE = standard error. Group: 0 = control, 1 = social media abstinence