Table 1.

Prevalence of gout and relative risks by stratifying variables.

Factor	Gout	Population	Crude Prevalence, %	Relative Risk (95% CI)	p
Sex^*
Female	4185	783,049	0.53	1.00
Male	18,583	696,400	2.67	4.78 (4.53–5.05)	< 0.0001
Smoking status
Nonsmoker	3734	164,032	2.28	1.00
Ex-smoker	3066	58,618	5.23	1.18 (1.13–1.24)	< 0.0001
Smoker	1605	99,628	1.61	0.76 (0.72–0.81)	< 0.0001
Age group, years
20–24	66	131,606	0.05	1.00
25–29	191	181,792	0.11	2.25 (1.38–3.65)	0.001
30–34	435	179,524	0.24	5.32 (3.38–8.37)	< 0.0001
35–39	646	149,358	0.43	9.2 (5.9–14.35)	< 0.0001
40–44	1109	142,190	0.78	16.32 (10.54–25.27)	< 0.0001
45–49	1383	121,326	1.14	23.34 (15.1–36.06)	< 0.0001
50–54	1701	116,694	1.46	29.57 (19.16–45.64)	< 0.0001
55–59	2034	105,049	1.94	39.92 (25.89–61.55)	< 0.0001
60–64	2637	95,807	2.75	55.66 (36.13–85.74)	< 0.0001
65–69	2849	85,236	3.34	64.27 (41.72–99.01)	< 0.0001
70–74	2625	60,150	4.36	80.43 (52.2–123.95)	< 0.0001
75–79	2452	44,142	5.55	97.3 (63.12–150)	< 0.0001
80–84	2121	31,559	6.72	113.06 (73.31–174.37)	< 0.0001
85+	2519	35,016	7.19	121.73 (78.96–187.68)	< 0.0001
Socioeconomic status
1	4339	286,008	1.52	1.00
2	4759	306,460	1.55	1.15 (1.06–1.24)	0.001
3	4224	281,400	1.5	1.24 (1.15–1.34)	< 0.0001
4	5240	284,295	1.84	1.71 (1.59–1.84)	< 0.0001
5	4119	305,623	1.35	1.04 (0.97–1.12)	0.306