The association of gout with sleep disorders: a cross-sectional study in primary care

Table 2 Association of sleep problems and gout: results of logistic regression analyses

	Cases	Controls	Unadjusted^aOR (95% CI)	Adjusted OR^b(95% CI)
Any sleep problem	82 (4.9)	234 (3.5)	1.44 (1.11, 1.87)	1.39 (1.06, 1.81)
Sleep apnoea	11 (0.7)	21 (0.3)	2.10 (1.01, 4.39)	1.49 (0.70, 3.14)
Sleep problems other than sleep apnoea	71 (4.2)	213 (3.2)	1.36 (1.03, 1.80)	1.37 (1.03, 1.82)

OR, odds ratio.
For both models, age and year of first gout consultation are fitted linearly. ^aAdjustment made only for matching variables (age, year of first gout consultation, gender, practice). ^bAdjustment made for matching variables and potentially confounding factors (type II diabetes mellitus, ischaemic heart disease, hypertension and diuretic prescription).

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