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Table 1 Psychological manifestations in the NDS and DS groups at baseline and follow-ups

From: Using a longitudinal network structure to subgroup depressive symptoms among adolescents

Characteristics

Baseline (t1)

t2

t3

t4

NDS

DS

NDS

DS

NDS

DS

NDS

DS

N = 825

N = 320

N = 825

N = 320

N = 776

N = 369

N = 788

N = 357

Age, median (IQR), ya

12 (11, 13)

12 (10, 13)

  

13 (11, 14)

13 (12, 14)

  

Sex (Girls/Boys)b

421/404

164/156

426/399

159/161

384/392

201/168

397/391

188/169

PHQ-9c

1 (0–2)

7 (6–10)

1 (0–2)

7 (6–10)

1 (0–3)

8 (6–10)

1 (0–2)

7 (6–9)

General MHTc

19 (11–29)

44 (33.75-54)

18 (10–28)

43.5 (31–54)

19 (11–30)

46 (35–56)

18 (9–27)

44 (32–55)

Learning anxietyc

5 (3–8)

10 (7–12)

5 (3–8)

10 (7–12)

6 (4–9)

11 (8–12)

5 (3–8)

10 (7–12)

Social anxietyc

2 (1–4)

5 (4–7)

2 (1–4)

5 (4–7)

3 (1–4)

6 (4–8)

2 (1–4)

6 (4–7)

Lonelinessc

1 (0–2)

3 (1–5)

1 (0–2)

2 (1–4)

1 (0–2)

3 (1–5)

0 (0–1)

3 (1–5)

Self-blamingc

3 (1–5)

6 (3–8)

2 (1–4)

5.5 (3–8)

3 (1–5)

6 (4–8)

2 (0–4)

5 (3–8)

Oversensitivityc

3 (1–5)

6 (5–8)

3 (1–5)

6 (5–8)

3 (2–5)

7 (6–8)

3 (1–5)

7 (5–8)

Somatic anxietyc

2 (1–3)

6 (4–8)

2 (1–4)

6 (3–8)

2 (1–4)

7 (4–9)

2 (0–3)

6 (4–9)

Phobia anxietyc

1 (0–3)

4 (2–6)

1 (0–3)

4 (1–6)

0.5 (0–2)

3 (1–5)

0 (0–2)

3 (1–5)

Impulsivityc

0 (0–2)

4 (2–6)

0 (0–1)

3 (2–6)

0 (0–1)

4 (2–6)

0 (0–1)

3 (2–6)

  1. Scale data were expressed in median (IQR). IQR, interquartile range (Q1-Q3). NDS, nondepressive symptom group. DS, depressive symptom group. PHQ-9, 9-item Patient Health Questionnaire. MHT, Mental Health Test. a comparison between the NDS and DS groups by Wilcoxon rank sum t test, P >.05 at t1 and t3. b comparison between the NDS and DS groups by chi-square, P >.05 at four time points. c comparison between the NDS and DS groups by Wilcoxon rank sum t test, P <.001 at four time points
  2. acomparison between the NDS and DS groups by Wilcoxon rank sum t test, P >.05 at t1 and t3
  3. bcomparison between the NDS and DS groups by chi-square, P >.05 at four time points
  4. ccomparison between the NDS and DS groups by Wilcoxon rank sum t test, P <.001 at four time points