TABLE 2

Involvement in Bullying at Elementary School and Specific or Any Parasomnia at Age 12 to 13 Years; Unadjusted Analysis

Involvement in Bullying	Nightmare, OR (95% CI)	Night Terror, OR (95% CI)	Sleepwalking, OR (95% CI)	Any Parasomnia, OR (95% CI)
Child report (age 8 y)	(n = 5598)	(n = 5598)	(n = 5598)	(n = 5601)
Neutral	reference	reference	reference	reference
Pure victim	1.32 (1.16–1.50)^a	1.42 (1.17–1.72)^a	1.25 (1.06–1.48)^a	1.36 (1.21–1.53)^a
Pure bully	0.90 (0.47–1.70)	0.62 (0.19–2.00)	1.05 (0.47–2.33)	1.04 (0.60–1.80)
Bully/victim	1.24 (0.98–1.59)	1.47 (1.05–2.07)^a	1.66 (1.25–2.20)^a	1.45 (1.17–1.80)^a
Child report (age 8 y)	(n = 1861)	(n = 1861)	(n = 1861)	(n = 1863)
Pure victim	reference	reference	reference	reference
Pure bully	0.68 (0.36–1.29)	0.44 (0.14–1.41)	0.84 (0.38–1.87)	0.77 (0.44–1.33)
Child report (age 8 y)	(n = 2179)	(n = 2179)	(n = 2179)	(n = 2181)
Pure victim	reference	reference	reference	reference
Bully/victim	0.94 (0.74–1.21)	1.04 (0.73–1.47)	1.32 (0.98–1.78)	1.07 (0.85–1.34)
Child report (age 8 y)	(n = 434)	(n = 434)	(n = 434)	(n = 434)
Pure bully	reference	reference	reference	reference
Bully/victim	1.39 (0.71–2.73)	2.37 (0.71–7.90)	1.58 (0.69–3.63)	1.39 (0.78–2.48)
Child report (age 10 y)	(n = 6132)	(n = 6133)	(n = 6133)	(n = 6136)
Neutral	reference	reference	reference	reference
Pure victim	1.72 (1.49–1.99)^a	1.59 (1.29–1.95)^a	1.35 (1.12–1.62)^a	1.77 (1.55–2.01)^a
Pure bully	1.02 (0.52–1.99)	0.97 (0.35–2.71)	0.83 (0.33–2.10)	1.15 (0.65–2.06)
Bully/victim	1.62 (1.27–2.06)^a	1.59 (1.13–2.24)^a	1.16 (0.83–1.60)	1.60 (1.28–2.00)^a
Child report (age 10 y)	(n = 1182)	(n = 1182)	(n = 1182)	(n = 1183)
Pure victim	reference	reference	reference	reference
Pure bully	0.59 (0.30–1.17)	0.61 (0.22–1.72)	0.62 (0.24–1.58)	0.65 (0.36–1.18)
Child report (age 10 y)	(n = 1468)	(n = 1468)	(n = 1468)	(n = 1469)
Pure bully	reference	reference	reference	reference
Bully/victim	0.94 (0.72–1.22)	1.00 (0.70–1.45)	0.86 (60–1.22)	0.90 (0.71–1.16)
Child report (age 10 y)	(n = 386)	(n = 386)	(n = 386)	(n = 386)
Pure bully	reference	reference	reference	reference
Bully/victim	1.59 (0.78–3.23)	1.64 (0.56–4.80)	1.39 (0.53–3.69)	1.38 (0.75–2.56)
Chronicity of victimization	(n = 5337)	(n = 5337)	(n = 5337)	(n = 5340)
None	reference	reference	reference	reference
Unstable	1.34 (1.17–1.54)^a	1.32 (1.07–1.62)^a	1.15 (0.96–1.37)	1.29 (1.14–1.46)^a
Stable	1.98 (1.66–2.37)^a	1.95 (1.51–2.51)^a	1.67 (1.33–2.09)^a	2.16 (1.83–2.55)^a

The reference group in all analyses consists of participants who are not involved in bullying behavior.
↵^a Indicates significant associations.