Table 2 Patient demographic characteristics by accurately versus inaccurately reported ‘well-controlled’ asthma.

Characteristic	Patient reported ‘well-controlled’ asthma (N = 2582)		p Value*
	Group A	Group B
	Accurately reported (n = 745)	Inaccurately reported (n = 1837)
Age, mean (SD)	50.0 (14.4)	51.4 (14.2)	0.02^b
Age range (years), n (%)
18–29	74 (9.9)	171 (9.3)	0.04^a
30–49	271 (36.4)	583 (31.7)
≥50	400 (53.7)	1083 (59.0)
Gender, n (%)
Female	267 (35.8)	1326 (72.2)	<0.001^a
Male	478 (64.2)	511 (27.8)	<0.001^a
Body mass category^c, n (%)
Underweight	12 (1.6)	21 (1.1)	<0.001^a
Normal	249 (33.4)	563 (30.6)
Overweight	300 (40.3)	601 (32.7)
Obese	184 (24.7)	652 (35.5)
Smoking status, n (%)
Current smoker	72 (9.7)	226 (12.3)	0.08^a
Ex-smoker	219 (29.4)	566 (30.8)
Non-smoker	454 (60.9)	1045 (56.9)
Education^d, known status, n (%)	(n = 651)	(n = 1500)
PG or professional degree	30 (4.6)	63 (4.2)	<0.001^a
University degree^e	224 (34.4)	508 (33.9)
Secondary education^e	278 (42.7)	772 (51.5)
Primary education^e	97 (14.9)	131 (8.7)
None	22 (3.4)	26 (1.7)

PG post graduate, SD standard deviation
*p Value of Group A versus Group B
Note: Percentages are column percentages
^aχ² test for independence
^bMann–Whitney U test
^cUnderweight BMI ≤18.49 kg/m²; normal BMI = 18.5–24.99 kg/m²; overweight BMI = 25–29.99 kg/m²; obese BMI ≥30 kg/m²
^dEstimation of ‘well-controlled’ asthma by education reported as n (%) of known status
^eCompleted or some education

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