Table 3

Distribution of the health-related characteristics in the total sample and their association with hospitalisation rate, 2009

	Total sample		Hospitalisation				Age-adjusted
			No		Yes
	N	Per cent	n	Per cent	n	Per cent	POR	95% CI
Cigarette smoking status
Never	1686	59.5	726	43.1	959	56.9	1.00
Ex-smoker	164	5.8	22	13.4	142	86.6	2.68	1.66 to 4.33
Current	984	34.7	303	30.8	680	69.2	1.46	1.22 to 1.74
Pack-year
0	1686	59.7	726	43.0	959	57.0	1.00
1−19	545	19.3	190	34.9	355	65.1	1.44	1.18 to 1.77
20−39	267	9.5	79	29.6	188	70.4	1.34	1.00 to 1.79
40−59	175	6.2	33	18.9	142	81.1	2.06	1.34 to 3.18
>60	151	5.3	21	14.0	129	86.0	2.25	1.37 to 3.70
Self−rated health
Excellent	937	33.2	440	47.0	497	53.0	1.00
Good	1659	58.7	571	34.4	1087	65.6	1.43	1.02 to 1.70
Weak	230	8.1	40	17.4	190	82.6	3.00	2.07 to 4.40
Physical activity
Low	1319	46.5	479	36.3	840	63.7	1.00
Moderate	882	31.1	320	36.3	562	63.7	0.89	0.75 to 1.08
High	618	21.8	246	39.9	370	60.1	0.85	0.69 to 1.04
Alcohol in past year
None/occasional	2241	79.0	847	37.8	1392	62.2	1.00
<1–2 times/week	437	15.4	162	37.1	275	62.9	1.06	0.85 to 1.32
3–6 times/week	83	2.9	26	31.3	57	68.7	1.44	0.89 to 2.35
≥7 times/week	75	2.6	18	24.0	57	76.0	1.61	0.92 to 2.82
BMI
Normal	1104	39.5	475	43.1	628	56.9	1.00
Overweight	987	35.3	348	35.3	639	64.7	1.06	0.88 to 1.28
Obese	704	25.2	218	31.0	486	69.0	1.04	0.84 to 1.30
Hypertension
No	2038	72.8	854	41.9	1183	58.1	1.00
Yes	763	27.2	186	24.4	577	75.6	1.20	0.97 to 1.49
Hyperlipidaemia
No	2406	84.8	974	40.5	1430	59.5	1.00
Yes	430	15.2	79	18.4	351	81.6	1.87	1.42 to 2.46
Diabetes
No	2540	92.9	1026	38.9	1614	61.1	1.00
Yes	194	7.1	27	13.9	167	86.1	1.87	1.20 to 2.89
Heart disease
No	2657	93.7	1047	39.4	1609	60.6	1.00
Yes	178	6.3	6.0	3.4	172	96.6	8.12	3.53 to18.67
Other comorbid conditions
No	1999	70.7	871	43.6	1127	56.4	1.00
Yes	830	29.3	180	21.7	650	78.3	2.05	1.69 to 2.50

BMI, body mass index; POR, prevalence OR adjusted for age.