Table 2.

Multivariable analyses – association between indicators of pain and being classified as SS

	Independent variable	Responses	OR	95% CI	p value
Bodily pain	Pain interference with work (Not at all = reference)	A little bit	0.73	0.59 to 0.90	<0.01
		Moderately	0.63	0.51 to 0.78	<0.001
		Quite a bit	0.51	0.41 to 0.64	<0.001
		Extremely	0.36	0.26 to 0.49	<0.001
	Sharp jabbing needle-like pain (No = reference)	Yes	0.70	0.60 to 0.82	<0.001
	Prickling or tingling feeling (No = reference)	Yes	0.80	0.68 to 0.93	<0.01
	Decrease (or inability) to feel to feel surface features, size, shape or texture	Yes	0.77	0.61 to 0.98	0.03
	Decrease (or inability) to recognize hot from cold	Yes	0.63	0.45 to 0.88	<0.01
	Decrease (or inability) to feel pain, cuts,bruises, or injuries	Yes	0.74	0.57 to 0.95	0.02
Ocular pain	Light sensitivity (None of the time = reference)	Some of the time	0.93	0.78 to 1.13	0.48
		Half of the time	0.88	0.65 to 1.20	0.43
		Most of the time	0.77	0.61 to 0.97	<0.05
		All of the time	0.78	0.61 to 0.99	<0.05
	Burning or stinging (None of the time = reference)	Some of the time	0.95	0.80 to 1.13	0.58
		Half of the time	0.61	0.46 to 0.81	<0.001
		Most of the time	0.81	0.63 to 1.04	0.09
		All of the time	0.64	0.44 to 0.91	<0.05
	Pain/burn at night (None of the time = reference)	Some of the time	0.96	0.79 to 1.16	0.65
		Half of the time	0.77	0.53 to 1.12	0.18
		Most of the time	0.77	0.59 to 1.01	0.06
		All of the time	1.00	0.73 to 1.35	0.98
Oral Pain	Presumptive neuropathic oral pain	Yes	0.52	0.43 to 0.63	<0.001
Composite pain score		-	0.86	0.83 to 0.90	<0.001
Total bodily pain score		-	0.84	0.79 to 0.89	<0.001

Abbreviations: CI, confidence interval; OR, odds ratio; SS, Sjögren’s syndrome.