Table 2.

Relative risks of testing HBsAg positive in men and women aged >15 years tested for HBsAg in primary- and secondary-care settings (excluding all antenatal tests) in Scotland during 2005–2009, stratified by ethnicity

Variable	Level	n	%	HBsAg positive	% of N	Relative risk (95% CI)
						Unadjusted	Adjusted*
(a) British/Other
Source	Secondary care	53 957	68	271	0·50
	Primary care	25 768	32	226	0·88	1·75 (1·46–2·08)	1·57 (1·31–1·88)
Gender	Female	36 546	46	166	0·45
	Male	43 179	54	331	0·77	1·69 (1·4–2·03)	1·69 (1·40–2·04)
Age group	15–29 yr	15 533	19	160	1·03
	30–44 yr	24 359	31	219	0·90	0·87 (0·71–1·07)	0·83 (0·68–1·02)
	>44 yr	39 833	50	118	0·30	0·29 (0·23–0·36)	0·30 (0·24–0·39)
NHS board	GG&C	30 762	39	248	0·81
	Other	48 963	61	249	0·51	0·63 (0·53–0·75)	0·66 (0·55–0·79)
(b) South Asian
Referral	Secondary care	1431	44	30	2·10
Source	Primary care	1830	56	83	4·54	2·16 (1·43–3·28)	2·05 (1·34–3·13)
Gender	Female	1159	36	25	2·16
	Male	2102	64	88	4·19	1·94 (1·24–3·03)	1·81 (1·16–2·83)
Age group	15–29 yr	1127	35	33	2·93
	30–44 yr	1287	39	50	3·89	1·33 (0·85–2·06)	1·25 (0·81–1·95)
	>44 yr	847	26	30	3·54	1·21 (0·74–1·98)	1·25 (0·76–2·06)
NHS board	GG&C	2056	63	75	3·65
	Other	1205	37	38	3·15	0·86 (0·59–1·28)	0·95 (0·64–1·40)
(c) East Asian
Referral	Secondary care	503	45	101	20·08
Source	Primary care	627	55	146	23·29	1·16 (0·90–1·49)	1·22 (0·94–1·57)
Gender	Female	551	49	110	19·96
	Male	579	51	137	23·66	1·19 (0·92–1·52)	1·13 (0·88–1·46)
Age group	15–44 yr	887	78	198	22·32
	>44 yr	243	22	49	20·16	0·90 (0·66–1·23)	0·91 (0·66–1·24)
NHS board	GG&C	489	43	134	27·40
	Other	641	57	113	17·63	0·64 (0·50–0·83)	0·63 (0·49–0·82)

CI, Confidence interval; GG&C, Greater Glasgow & Clyde.

^*Adjusted for source, gender, age and NHS board.