Table 5

Risk (odds ratios (OR) and 95% confidence intervals (CI)) of reduced tear or saliva production for demographic characteristics and measures of disease activity and severity^3-151

		Reduced tears (ST ⩽5 mm)				Reduced saliva (UWS ⩽5 ml)
		OR	95% CI			OR	95% CI
Age (y)
⩽40	1.0			1.0
41–50	0.88	0.47, 1.65		0.99	0.40, 2.44
51–60	0.88	0.49, 1.57		1.19	0.52, 2.71
61–70	0.86	0.48, 1.53		1.82	0.83, 3.96

Sex
Male	1.0			1.0
Female	1.18	0.74, 1.87		1.35	0.39, 2.41
Drug with dryness potential	0.78	0.48, 1.30		1.35	0.79, 2.30
Rheumatoid factor	1.53^*	1.04, 2.24		0.90	0.55, 1.47

Number of sicca symptoms
0	1.0			1.0
1	0.98	0.54, 1.66		1.08	0.49, 2.39
2–3	1.78^*	1.11, 2.85		3.11^**	1.66, 5.81
4–6	2.25^*	1.18, 4.28		5.59^***	2.63, 11.89

Disease activity score
Lowest quartile	1.0			1.0
2.quartile	0.61	0.35, 1.08		1.08	0.48, 2.46
3.quartile	0.88	0.51, 1.54		1.61	0.74, 3.48
Highest quartile	1.08	0.62, 1.89		2.45^*	1.15, 5.24

↵3-151 OR adjusted for age, sex, disease duration, drugs with capacity to induce sicca symptoms, rheumatoid factor, number of sicca symptoms, and disease activity score. ^*p<0.05, ^**p<0.001,^***p<0.0001.