Evaluation of an internet-based intervention for service members of the German armed forces with deployment-related posttraumatic stress symptoms

Niemeyer, Helen; Knaevelsrud, Christine; Schumacher, Sarah; Engel, Sinha; Kuester, Annika; Burchert, Sebastian; Muschalla, Beate; Weiss, Deborah; Spies, Jan; Rau, Heinrich; Willmund, Gerd-Dieter

doi:10.1186/s12888-020-02595-z

Table 3 Changes in Outcome Measures Across the Intervention

From: Evaluation of an internet-based intervention for service members of the German armed forces with deployment-related posttraumatic stress symptoms

Outcome	Analysis	n	Pre	Pre-to-Post				Pre-to-Follow-Up
Outcome				D	[95% CI]	p	d	D	[95% CI]	p	d
CAPS Total	Completer	21	32.71	−1.76	[−5.71, 2.19]	.388	−0.19	−3.71	[−7.48, 0.92]	.086	−0.38
	LOCF	37	33.54	−1.00	[−3.35, 1.27]	.394	−0.14	−2.11	[−4.54, 0.38]	.096	−0.27
	MI PMM	37	33.54	−2.35	[−6.55, 1.84]	.272	−0.21	−5.42	[− 10.51, − 0.33]	.037	− 0.42
	MI NORM	37	33.54	−1.68	[− 5.11, 1.75]	.337	−0.19	− 3.28	[− 7.01, 0.45]	.085	− 0.36
CAPS - B	Completer	21	9.29	−0.48	[−1.95, 1.00]	.525	−0.14	−1.29	[−2.63, 0.00]	.053	−0.44
	LOCF	37	9.32	−0.27	[−1.11, 0.60]	.532	−0.10	−0.73	[−1.54, 0.03]	.066	−0.30
	MI PMM	37	9.32	−0.54	[−2.17, 1.10]	.520	−0.13	−0.93	[−2.48, 0.62]	.239	−0.26
	MI NORM	37	9.32	−0.41	[−1.92, 1.10]	.596	−0.11	−1.21	[−2.54, 0.13]	.076	−0.39
CAPS - C	Completer	21	3.43	−0.24	[−0.86, 0.52]	.513	−0.14	− 0.03	[− 0.78, 0.70]	.930	−0.02
	LOCF	37	3.73	−0.14	[−0.54, 0.27]	.515	−0.11	− 0.05	[− 0.49, 0.35]	.798	−0.04
	MI PMM	37	3.73	−0.42	[−1.32, 0.48]	.357	−0.20	−0.36	[− 1.52, 0.79]	.538	− 0.13
	MI NORM	37	3.73	−0.28	[−1.01, 0.45]	.448	−0.16	−0.04	[− 0.80, 0.72]	.924	− 0.02
CAPS - D	Completer	21	10.05	0.19	[−1.43, 2.14]	.833	0.05	−1.25	[−3.50, 1.21]	.299	−0.24
	LOCF	37	10.24	0.11	[−0.84, 1.19]	.833	0.04	−0.65	[−1.84, 0.65]	.311	−0.17
	MI PMM	37	10.24	0.08	[−1.89, 2.05]	.937	0.08	−2.27	[−5.23, 0.69]	.132	0.32
	MI NORM	37	10.24	0.20	[−1.62, 2.01]	.834	0.05	−0.91	[−3.41, 1.59]	.475	−0.18
CAPS - E	Completer	21	9.95	−1.24	[−2.57, 0.14]	.070	−0.39	−1.17	[−2.43, 0.12]	.076	−0.40
	LOCF	37	10.24	−0.70	[−1.49, 0.05]	.081	−0.28	−0.68	[−1.46, 0.05]	.078	−0.29
	MI PMM	37	10.24	−1.47	[−3.03, 0.09]	.065	−0.37	−1.85	[− 3.59, − 0.11]	.037	−0.44
	MI NORM	37	10.24	−1.18	[−2.63, 0.26]	.109	−0.35	−1.13	[− 2.54, 0.28]	.116	−0.36
GAD-7	Completer	21	11.76	−1.53	[−3.81, 0.29]	.147	−0.35	−2.79	[−5.66, − 0.75]	.022	− 0.62
	LOCF	30	12.30	−1.23	[−2.67, −0.03]	.065	−0.33	−2.20	[−3.87, − 0.83]	.005	− 0.51
	MI PMM	37	11.87	−1.66	[−4.15, 0.83]	.191	−0.27	−3.04	[−5.59, − 0.48]	.020	− 0.58
	MI NORM	37	11.96	−1.34	[−3.62, 0.93]	.247	−0.28	−2.22	[− 4.35, − 0.09]	.041	− 0.54

Note. Completer analysis of working with all 10 treatment modules, LOCF Missing data dealt using last observation carried forward, MI NORM ITT with multiple imputed data using norm, MI PMM ITT with multiple imputed data using predictive mean matching, D average change in metric of the questionnaire

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