Table 5.

Crude and adjusted odds ratio of patient characteristics by infection status using no infection as the reference (n = 1014)^*

Patient characteristics	Number of patients n = 1014	Single infection n = 512 (50·2%)			Co‐infection n = 156 (15·3%)
		n (%)	Crude OR OR (95%CI)	Adjusted OR (95%CI)	n (%)	Crude OR OR (95%CI)	Adjusted OR (95%CI)
Age category (years)
65+	62	15 (24·2)	1·00	1·00	9 (14·5)	1·00	1·00
0–4	102	51 (50·0)	4·61 (2·16–9·81)*	4·83 (2·22–10·48)*	23 (22·6)	3·46 (1·39–8·63)*	4·38 (1·64–11·67)*
5–14	197	115 (58·4)	6·62 (3·31–13·21)*	7·03 (3·44–14·35)*	38 (19·3)	3·64 (1·56–8·50)*	4·79 (1·91–12·03)*
15–29	283	148 (52·3)	4·41 (2·29–8·48)*	4·56 (2·32–8·96)*	50 (17·7)	2·48 (1·10–5·56)*	3·32 (1·38–7·98)*
30–54	297	145 (48·8)	3·03 (1·59–5·78)*	3·01 (1·56–5·80)*	31 (10·4)	1·08 (0·47–2·47)	1·32 (0·55 –3·18)
55–64	77	38 (49·4)	2·83 (1·32–6·02)*	2·83 (1·32–6·07)*	5 (6·5)	0·62 (0·18–2·03)	0·73 (0·21–2·49)
Sex
Male	419	209 (49·9)	1·00	1·00	67 (16·0)	1·00	1·00
Female	599	303 (50·6)	0·99 (0·75–1·31)	0·86 (0·64–1·15)	89 (14·8)	1·08 (0·74–1·59)	0·82 (0·55–1·23)
Chronic condition
N	795	412 (51·8)		1·00	116 (14·6)		1·00
Y	219	98 (44·8)	0·77 (0·55–1·07)	1·02 (0·71–1·45)	39 (17·8)	1·09 (0·70–1·69)	1·56 (0·98–2·51)*
Time to specimen collection (days)
3–7 days	436	230 (52·7)	1·00	1·00	48 (11·0)	1·00	1·00
0–2 days	582	282 (48·5)	1·00 (0·76–1·32)	0·93 (0·68–1·21)	108 (18·6)	1·85 (1·24–2·76)*	1·66 (1·12–2·50)*

OR, odds ratio; CI, confidence interval.

^*Four patients were missing chronic condition information and were removed from the adjusted multinomial logistic regression model.