Development and validation of the BD SX: a brief measure of mood and symptom variability for use with adults with bipolar disorder

O’Rourke, Norm; Sixsmith, Andrew; King, David B.; Yaghoubi-Shahir, Hamed; Canham, Sarah L.

doi:10.1186/s40345-016-0048-2

International Journal of Bipolar Disorders

Table 1 Summary specifications and temporal invariance analyses comparing Time 1 and Time 2 BD S_x responses

From: Development and validation of the BD S_X: a brief measure of mood and symptom variability for use with adults with bipolar disorder

Model	χ²	df	Δχ²	Δdf	SRMR	CFI	RMSEA (CL₉₀)
Baseline model	518.35	307	–	–	.0701	.97	.030 (.026–.035)
Cognitive–somatic	518.40	308	.05	1	.0699	.97	.030 (.026–.035)
Affront–elation/insight	518.43	309	.03	1	.0700	.97	.030 (.026–.035)
Affront–cognitive	518.84	310	.39	1	.0696	.97	.030 (.026–.035)
Affront–somatic	518.84	311	.05	1	.0697	.97	.030 (.026–.034)
Cognitive/depressive	529.54	316	10.65	5	.0698	.97	.030 (.026–.035)
miserable	522.23	312	3.34	1	.0697	.97	.030 (.026–.035)
worthless	523.30	313	.02	1	.0697	.97	.030 (.026–.035)
gloomy	523.20	314	.01	1	.0697	.97	.030 (.026–.034)
hopeless	525.21	315	2.22	1	.0697	.97	.030 (.026–.034)
insecure	529.42	316	.20	1	.0698	.97	.030 (.026–.035)
lonely	529.54	316	.12	1	.0696	.97	.030 (.026–.035)
Somatic/depressive	530.07	319	.53	3	.0697	.97	.030 (.026–.035)
fatigued	529.89	317	.35	1	.0696	.97	.030 (.026–.035)
sleepy	530.01	318	.20	1	.0697	.97	.030 (.025–.034)
exhausted	530.07	319	.06	1	.0697	.97	.030 (.025–.034)
tired	530.07	319	.16	1	.0697	.97	.030 (.025–.034)
Elation/loss of insight	538.24	323	8.17	4	.0692	.97	.030 (.026–.035)
impulsive	535.53	320	5.46*	1	.0692	.97	.030 (.026–.035)
indestructible	535.54	321	.01	1	.0692	.97	.030 (.026–.035)
talkative	535.83	322	.29	1	.0694	.97	.030 (.026–.035)
invincible	538.24	323	2.41	1	.0691	.97	.030 (.026–.035)
euphoric	538.24	323	.29	1	.0689	.97	.030 (.026–.035)
Affrontive S_x of mania	543.93	327	5.69	4	.0686	.97	.030 (.026–.035)
hostile	542.81	324	4.57*	1	.0686	.97	.030 (.026–.035)
furious	543.15	325	.34	1	.0686	.97	.030 (.026–.034)
argumentative	543.79	326	.64	1	.0686	.97	.030 (.026–.034)
disgusted	543.93	327	.14	1	.0686	.97	.030 (.026–.034)
suspicious	543.93	327	.80	1	.0686	.97	.030 (.026–.034)

* p < .05; ** p < .01
df degrees of freedom, SRMR Standardized Root Mean Square Residual, CFI Comparative Fit Index; RMSEA Root Mean Square Error of Approximation, RMSEA CL ₉₀ 90 % Confidence Limits for the RMSEA statistic

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