Table 4.

Odds ratio for diseases of the respiratory system mortality in Spain in 2020, crude and multivariate.

Variable	Category	Crude		Multivariate
		OR [95% CI]	p-Valuea	OR [95% CI]	p-Value
Gender	Men	1.44 [1.42–1.46]	<0.001	1.47 [1.45–1.50]	<0.001
	Women	Ref	–	–	–
Nationality	Spanish	Ref	–	–	–
	Foreign	1.33 [1.28–1.38]	<0.001	1.08 [1.04–1.13]	<0.001
Autonomous communities	Andalucía	Ref	–	–	–
	Aragón	1.62 [1.57–1.68]	<0.001	1.63 [1.57–1.68]	<0.001
	Canarias	0.96 [0.92–1.00]	0.055	0.96 [0.93–1.01]	0.086
	Cantabria	1.08 [1.02–1.15]	0.011	1.08 [1.01–1.15]	0.017
	Castilla La Mancha	2.23 [2.17–2.30]	<0.001	2.23 [2.16–2.30]	<0.001
	Castilla y León	1.82 [1.77–1.87]	<0.001	1.81 [1.76–1.86]	<0.001
	Cataluña	1.74 [1.70–1.78]	<0.001	1.75 [1.71–1.80]	<0.001
	Ceuta	1.24 [1.04–1.49]	0.018	1.28 [1.07–1.53]	0.008
	Valencia	1.00 [0.97–1.03]	0.887	1.00 [0.97–1.03]	0.985
	Extremadura	1.31 [1.26–1.34]	<0.001	1.30 [1.24–1.35]	<0.001
	Galicia	0.89 [0.86–0.91]	<0.001	0.88 [0.85–0.90]	<0.001
	Islas Baleares	1.00 [0.95–1.06]	0.839	1.01 [0.96–1.07]	0.745
	La Rioja	1.48 [1.37–1.59]	<0.001	1.46 [1.36–1.57]	<0.001
	Madrid	2.76 [2.69–2.82]	<0.001	2.81 [2.75–2.88]	<0.001
	Melilla	1.04 [0.85–1.28]	0.679	1.10 [0.90–1.35]	0.347
	Navarra	1.62 [1.53–1.71]	<0.001	1.61 [1.52–1.70]	<0.001
	País Vasco	1.19 [1.15–1.23]	<0.001	1.19 [1.15–1.23]	<0.001
	Asturias	1.28 [1.23–1.34]	<0.001	1.28 [1.23–1.33]	<0.001
	Murcia	0.94 [0.90–1.00]	0.013	0.95 [0.90–0.99]	0.020
Studies	Professional training	Ref	–	–	–
	No studies	0.90 [0.86–0.92]	<0.001	1.05 [1.02–1.08]	0.004
	Primary	1.00 [0.97–1.03]	0.894	1.04 [1.01–1.07]	0.010
	Secondary	1.02 [0.99–1.05]	0.153	1.04 [1.01–1.08]	0.006
	University	1.07 [1.03–1.11]	<0.001	0.99 [0.95–1.02]	0.430
Activity	Another situation	Ref	–	–	–
	Student	0.50 [0.39–0.65]	<0.001	1.15 [0.88–1.50]	0.313
	Unemployed	0.88 [0.83–0.93]	<0.001	0.91 [0.86–0.97]	0.003
	Invalid	0.99 [0.95–1.02]	0.357	0.93 [0.89–0.97]	<0.001
	Retired	1.35 [1.33–1.37]	<0.001	1.02 [1.01–1.04]	0.015
	Employed	1.02 [0.99–1.06]	0.189	1.00 [0.96–1.04]	0.932
Age range	<18 years	Ref	–	–	–
	[18–29 years]	2.98 [2.14–4.14]	<0.001	3.20 [2.29–4.46]	<0.001
	[30–39 years]	3.72 [2.75–5.04]	<0.001	4.32 [3.18–5.87]	<0.001
	[40–49 years]	5.87 [4.40–7.81]	<0.001	6.97 [5.18–9.32]	<0.001
	[50–59 years]	9.45 [7.12–12.54]	<0.001	11.28 [8.48–15.02]	<0.001
	[60–69 years]	13.60 [10.26–18.03]	<0.001	15.90 [11.95–21.14]	<0.001
	[70–79 years]	13.89 [10.45–18.41]	<0.001	15.98 [12.02–21.24]	<0.001
	[80–89 years]	12.76 [9.63–16.90)	<0.001	15.29 [11.50–20.32]	<0.001
	[≥90 years]	11.48 [8.66–15.21]	<0.001	14.10 [10.61–18.74]	<0.001
Marital status	Married	Ref	–	–	–
	Single	0.94 [0.93–0.96]	<0.001	1.14 [1.11–1.16]	<0.001
	Divorced	0.99 [0.97–1.02]	0.707	1.10 [1.07–1.14]	<0.001
	Widowed	0.85 [0.84–0.86]	<0.001	1.00 [1.00–1.02]	0.798

^aSignificant differences (p < 0.05) are indicated by bold text.