Table 3.

Confidence Intervals for Centrality Statistics

Variable	Betweenness		Closeness		Strength
	Estimate	99% C.I.	Estimate	99% C.I.	Estimate	99% C.I.
Depressed Mood	69	[0,11]*	.055	[.031, .046]*	22.262	[7.139, 8.015]*
Loss of Interest	0	[0,9]	.038	[.028, .047]	7.719	[6.691, 7.612]
Weight Problems	0	[0,9]	.042	[.028, .046]	7.240	[6.700, 7.537]
Sleep Problems	6	[0,11]	.047	[.029, .047]	9.550	[6.834, 7.704]*
Psychomotor Disturbances	0	[0,8]	.038	[.019, .046]	6.370	[5.002, 6.998]
Fatigue	40	[0,9]*	.053	[.029, .047]*	8.828	[6.683, 7.557]*
Self-reproach	0	[0,6]	.037	[.019, .046]	6.084	[4.831, 7.061]
Concentration Problems	14	[0,9]*	.049	[.029, .047]*	9.569	[6.771, 7.666]*
Suicidal Ideation	0	[0,9]	.043	[.021, .044]	6.281	[5.586, 7.189]
Chronic Anxiety	0	[82,136]*	.043	[.045, .084]*	8.046	[15.447, 25.429]*
Anxiety about > 1 Event	38	[0,38]	.047	[.037, .054]	23.079	[8.969, 11.526]*
No Control Over Anxiety	0	[0,11]	.042	[.032, .047]	10.251	[7.386, 8.447]*
Feeling On Edge	2	[0,10]	.040	[.023, .046]	9.921	[5.859, 7.234]*
Fatigue	42	[0,7]*	.052	[.020, .046]*	9.016	[5.265, 7.037]*
Concentration Problems	0	[0,8]	.040	[.021, .045]	8.759	[5.554, 7.113]*
Irritability	12	[0,8]*	.046	[.021, .045]*	9.220	[5.473, 7.088]*
Muscle Tensions	0	[0,7]	.033	[.019, .046]	4.673	[4.802, 6.946]*
Sleep Problems	5	[0,8]	.044	[.020, .045]	8.859	[5.404, 7.065]*

Note:

^*’s are used to indicate confidence intervals where the estimate does not fall within the confidence interval.