. 2018 Oct 5;41(5):614–626. doi: 10.1007/s10865-018-9970-3

Table 2.

Effectiveness of expressive writing

	β	SE	t Value	df	P	β	SE	t Value	df	P
	Anxiety					Depression
Intercept	6.43	.30	21.64	636	< .001	4.98	.26	19.07	636	< .001
1 month follow up	− .59	.26	− 2.31	636	.022	− .74	.25	− 2.95	636	.003
6 months follow up	− .36	.34	− 1.05	636	.295	− .48	.38	− 1.26	636	.209
Expressive writing versus Control writing	.28	.41	.68	550	.496	.11	.36	.31	550	.756
Expressive writing versus Normal care	− .29	.43	− .66	550	.508	− .56	.38	− 1.46	550	.145
1 month follow up: EW versus Control writing	.21	.35	.59	636	.556	.38	.34	1.12	636	.264
6 months follow up: EW versus Control writing	.39	.47	.82	636	.414	.26	.53	.51	636	.614
1 month follow up: EW versus Normal care	.45	.34	1.32	636	.187	.38	.33	1.14	636	.254
6 months follow up: EW versus Normal care	.36	.46	.80	636	.423	.18	.51	.35	636	.724
Model fit: Time	χ² − 3101.08	AIC 6212.16	BIC 6237.59	5	.046	χ² − 3050.94	AIC 6111.87	BIC 6137.30	5	.009
Model fit: Group	χ² − 3087.32	AIC 6198.65	BIC 6259.68	12	.378	χ² − 3020.67	AIC 6065.34	BIC 6126.37	12	.064
Model fit: Group x Time interaction	χ² − 3086.24	AIC 6204.47	BIC 6285.85	16	.704	χ² − 2019.81	AIC 6071.62	BIC 6153.00	16	.789
	Quality of Life (Mental Health)					Quality of Life (Physical Health)
Intercept	41.41	.44	93.21	624	< .001	55.6	.68	82.12	622	< .001
1 month follow up	− 1.33	.54	− 2.44	624	.015	3.68	.69	5.33	622	< .001
6 months follow up	− 2.42	.62	− 3.91	624	< .001	4.9	.89	5.51	622	< .001
Expressive writing versus Control writing	− .13	.61	− .21	538	.834	− .28	.93	− .30	538	.767
Expressive writing versus Normal care	.04	.64	.06	538	.951	.70	.98	.71	538	.479
1 month follow up: EW versus Control writing	.05	.74	.06	624	.949	− .32	.95	− .34	622	.733
6 months follow up: EW versus Control writing	1.04	.85	1.22	624	.224	− 1.3	1.22	− 1.06	622	.290
1 month follow up: EW versus Normal care	.23	.74	.31	624	.753	− .30	.94	− .32	622	.750
6 months follow up: EW versus Normal care	.13	.85	.16	624	.874	− 1.29	1.21	− 1.06	622	.289
Model fit: Time	χ² − 3609.10	AIC 7228.20	BIC 7253.53	5	< .001	χ² − 4004.84	AIC 8019.68	BIC 8045.00	5	< .001
Model fit: Group	χ² − 3598.70	AIC 7221.39	BIC 7282.18	12	.922	χ² − 3973.42	AIC 7972.84	BIC 8038.67	13	.413
Model fit: Group x Time interaction	χ² − 3597.38	AIC 7226.77	BIC 7307.82	16	.622	χ² − 3972.57	AIC 7979.14	BIC 8065.23	17	.790
	Mood					Physical Symptoms
Intercept	5.56	1.22	44.82	604	< .001	7.13	.31	23.29	616	< .001
1 month follow up	− 1.11	1.05	− 1.06	604	.290	− .92	.29	− 3.19	616	.002
6 months follow up	− .32	1.39	− .23	604	.817	− 1.24	.42	− 2.93	616	.004
Expressive writing versus Control writing	.52	1.67	− .32	525	.754	.22	.42	.52	532	.601
Expressive writing versus Normal care	3.21	1.76	1.82	525	.069	− .52	.44	− 1.16	532	.247
1 month follow up: EW versus Control writing	1.85	1.44	1.29	604	.199	.66	.40	1.66	616	.096
6 months follow up: EW versus Control writing	1.59	1.92	.83	604	.406	.59	.58	1.01	616	.311
1 month follow up: EW versus Normal care	− .26	1.4	− .18	604	.856	− .05	.39	− .13	616	.898
6 months follow up: EW versus Normal care	− .31	1.85	− .17	604	.869	.86	.57	1.52	616	.130
Model fit: Time	χ² − 4544.55	AIC 9099.10	BIC 9124.28	5	.689	χ² − 3089.62	AIC 6189.23	BIC 6214.50	5	.001
Model fit: Group	χ² − 4522.99	AIC 9069.98	BIC 9130.43	12	.179	χ² − 3070.06	AIC 616412	BIC 6224.76	12	.051
Model fit: Group x Time interaction	χ² − 4521.53	AIC 9075.05	BIC 9155.64	16	.570	χ² − 3066.19	AIC 6164.38	BIC 6245.23	16	.101

Bold values indicate outcome measure

EW expressive writing