Table 5.

Estimated fixed effects of predictors of mental health outcome scores

Parameter	Estimate	df	t	P	95% CI
					Lower	Upper
IESr Scores
Intercept	9.11	338.09	2.65	< 0.01	7.87	10.36
Age	−0.02	316.87	−2.38	0.02	−0.04	− 0.00
EQ5D	−2.94	317.18	−4.15	< 0.01	−4.32	−1.55
Life Stressor (1)	3.82	316.76	4.37	< 0.01	2.11	5.53
APACHE II score	0.08	317.87	2.61	0.01	0.02	0.15
Time 2	−2.24	1643.18	−12.79	< 0.01	− 2.59	− 1.9
Time 3	−3.66	1643.18	−20.89	< 0.01	−4.01	−3.32
Time 4	−5.32	1643.18	−30.33	< 0.01	−5.66	−4.97
Time 5	−6.43	1643.18	−36.69	< 0.01	−6.78	−6.09
Time 6	−7.24	1643.18	−41.06	< 0.01	−7.59	− 6.90
HADS A Scores
Intercept	3.76	337.9	12.45	< 0.01	3.17	4.35
EQ5D	−1.34	315.97	−4.08	< 0.01	− 1.98	−0.69
Time 2	−1.2	1643.03	−13.98	< 0.01	− 1.36	− 1.03
Time 3	− 1.74	1643.03	−20.37	< 0.01	− 1.91	− 1.58
Time 4	−2.07	1643.03	−24.19	< 0.01	− 2.24	− 1.9
Time 5	− 2.4	1643.03	− 28.04	< 0.01	− 2.57	− 2.23
Time 6	−3.03	1643.03	−35.20	< 0.01	−3.2	− 2.86
HADS D Scores
Intercept	6.79	356.40	22.8	< 0.01	6.21	7.38
EQ5D	−0.7	317.5	−1.94	0.05	− 1.4	0.00
Benzodiazepines (1)	−0.43	317.09	−3.36	< 0.01	−0.68	−0.18
Sedation (1)	0.37	316.97	2.79	0.01	0.11	0.63
Time 2	−1.89	1642.43	− 17.19	< 0.01	−2.11	− 1.68
Time 3	−3.02	1642.43	−27.39	< 0.01	−3.23	− 2.8
Time 4	−3.98	1642.43	−36.11	< 0.01	−4.19	− 3.76
Time 5	−4.73	1642.43	−42.89	< 0.01	− 4.94	− 4.51
Time 6	−6.3	1642.43	−56.82	< 0.01	−6.52	− 6.08

EQ5D- EQ5D 3 L index scores, Life Stressor (1)- Stressful life situations present, APACHE II- Acute Physiology and Chronic Health Evaluation scores, Time 2–6- Scores at 7,14,30,90 and 180 days, Benzodiazepines (1)- received benzodiazepines during ICU stay, Sedation (1)- had a mean sedation score < −1 or > 1 on the Richmond Agitation Sedation Scale (signifying over or under sedation respectively)