Table 2.

Demographic characteristics of COPD population by country

	Total n=4,343	USA n=1,001	MEX n=328	BRA n=300	FR n=300	GER n=300	IT n=302	SPA n=303	UK n=305	NL n=303	RUS n=301	JAP n=300	SK n=300
COPD diagnosis, %
– Physician diagnosis of COPD/COAD/emphysema	45	70	26	39	38	40	41	35	63	56	27	36	22
– Physician diagnosis chronic bronchitis	45	23	69	53	61	52	55	58	24	38	63	34	74
– Symptom based chronic bronchitis	10	7	5	8	1	8	4	7	13	7	10	31	4
Male, %	48	48	43	45	48	44	57	57	44	49	39	54	60
Age (years), %
40–49	22	18	19	31	15	23	19	13	15	16	27	28	18
50–59	27	30	23	29	16	26	21	20	27	24	35	23	31
60–69	26	30	29	20	25	32	28	28	31	35	21	24	20
70+	25	22	30	21	44	20	32	39	27	25	17	25	32
BMI (kg/m2), mean (SD)	26.9 (6.5)	30.3 (8.0)	27.0 (4.6)	26.0 (6.5)	25.9(5.1)	26.8 (5.8)	26.5 (4.9)	27.0 (4.6)	27.0 (7.6)	26.8 (4.6)	27.7 (4.8)	22.4 (3.5)	23.6 (2.9)
BMI < 18.5 kg/m2, %	5	3	1	8	2	3	2	2	9	1	1	13	4
Currently employed, % yes	30	21	21	25	18	35	24	20	17	30	53	45	37
Self-reported comorbidities, % yes
Asthma	42	51	21	52	35	49	34	37	50	47	12	54	35
Hypertension	45	62	29	50	45	46	46	36	34	35	51	20	40
Heart failure	10	12	8	12	11	3	12	16	4	10	19	2	5
Myocardial infarction	11	17	8	11	11	7	8	8	10	8	12	6	9
Stroke	6	12	3	6	4	3	2	5	4	4	4	3	2
Cancer	9	19	2	4	7	15	4	11	5	12	4	8	4
Smoking status, %
Never	36	24	64	31	28	29	36	37	37	30	53	37	47
Current	28	31	10	31	33	34	33	18	26	23	30	21	25
Former	37	46	27	38	39	37	31	46	37	47	17	43	29
Exposed to cigarette smoke in home, % yes	22	18	19	28	26	23	21	23	15	14	29	16	25
Exposed to dust/fumes† in home or workplace, % yes	46	63	42	59	39	40	40	58	46	41	46	22	19
Ever tried to quit smoking¥, % yes	79	95	62	72	82	81	77	89	85	92	60	61	76

Notes:

^†Dust or fumes from cooking, burning, mining, welding, or other

^¥respondents who smoked regularly (at least one per day) or still smoked/smoked occasionally.

Abbreviations: COPD, chronic obstructive pulmonary disease; COAD, chronic obstructive airway disease; BMI, body mass index; SD, standard deviation; MEX, Mexico; BRA, Brazil; FR, France; GER, Germany; IT, Italy; SPA, Spain; NL, Netherlands; RUS, Russia; JAP, Japan; SK, South Korea.