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Table 2 Clinical characteristics of participants in study, n = 752

From: Sleep duration in adolescence buffers the impact of childhood trauma on anxiety and depressive symptoms

Ìý

Value

Variable

Boys

Girls

Total

Any trauma exposure, n (%)a

 N´Ç

81 (18.6)

47 (17.1)

130 (17.8)

 Y±ð²õ

354 (81.4)

228 (82.9)

602 (82.2)

Number of types of trauma exposure, n (%)a

 0

81 (18.6)

47 (17.1)

130 (17.8)

 1

105 (24.1)

67 (24.4)

177 (24.2)

 2

123 (28.3)

66 (24.0)

192 (26.2)

 3

102 (23.5)

63 (22.9)

170 (23.3)

 4

24 (5.5)

32 (11.6)

63 (8.6)

Number of traumatic events, mean (SD)a

1.7 (1.2)

1.8 (1.3)

1.8 (1.2)

Number of traumatic events, mean (SD)d

2.1 (0.9)

2.3 (1.0)

2.2 (1.0)

Meets nightly sleep duration guidelines, n (%)b

 Y±ð²õ

224 (57.8)

104 (39.8)

352 (49.9)

 N´Ç

178 (42.2)

157 (60.2)

353 (50.1)

Difficulty falling asleep, n (%)b

 N´Ç

293 (69.4)

103 (39.5)

400 (56.7)

 Y±ð²õ

129 (30.6)

158 (60.5)

305 (43.3)

Mental health, mean (SD)c

 Depressive symptoms (PHQ-8)

5.1 (4.6)

10.6 (6.7)

7.3(6.2)

 Anxiety symptoms (GAD-7)

4.0 (4.3)

9.3 (6.6)

6.2 (6.0)

 Mental wellbeing score (SWEMWBS)

25.1 (5.7)

21.4 (6.1)

23.5 (6.2)

Probable depression, n (%)c

 N´Ç

368 (83.3)

131 (47.5)

507 (68.5)

 Y±ð²õ

74 (16.7)

145 (52.5)

233 (31.5)

Probable anxiety, n (%)c

 N´ÇÌý

388 (87.8)

152 (55.1)

551 (74.5)

 Y±ð²õ

54 (12.2)

124 (44.9)

189 (25.5)

  1. aMissing data for 20 participants
  2. bMissing data for 47 participants
  3. cMissing data for 12 participants
  4. dAmong those exposed to any trauma