Skip to main content

Table 1 Socio-demographic characteristics of the participants by ‘Current asthma’ status

From: Prevalence of asthma in Portugal - The Portuguese National Asthma Survey

  

Current asthma

 

Total (n = 6 003)

Yes (n = 450)

No (n = 5 553)

Municipality

   

  Urban

4593 (76.5)

337 (74.9)

4256 (76.6)

  Rural

1410 (23.5)

113 (25.1)

1297 (23.4)

Female, n (%)

3438 (57.3)

282 (62.7)

3156 (56.8)

Age groups, n (%)

   

  <18 years old

716 (11.9)

56 (12.4)

660 (11.9)

  18-65 years old

3104 (51.7)

211 (46.9)

2893 (52.1)

  >65 years old

2178 (36.3)

183 (40.7)

1995 (36.0)

BMI , n(%)

   

  Underweight (<18)

253 ( 5.1)

18 ( 4.9)

235 ( 5.1)

  Normal weight (18–25)

2179 (43.9)

140 (38.4)

2039 (44.3)

  Overweight (25–30)

1825 (36.7)

128 (35.1)

1697 (36.9)

  Obese (>30)

710 (14.3)

79 (21.6)

631 (13.7)

Education level , n(%)

   

  <9 years

3907 (65.5)

312 (69.6)

3595 (65.1)

  9-12 years

1175 (19.7)

85 (19.0)

1090 (19.7)

  >12 years

732 (12.3)

40 (8.9)

692 (12.5)

SES †† , n(%)

   

  Low

1289 (22.0)

111 (25.2)

1169 (21.7)

  Medium

4137 (71.1)

1169 (21.7)

3831 (71.2)

  High

405 ( 7.0)

23 ( 5.2)

382 ( 7.1)

Smoking status, n(%)

   

  Non-smoker

4291 (71.5)

333 (74.0)

3958 (71.3)

  Ex-smoker

971 (16.2)

71 (15.8)

900 (16.2)

  Current smoker

741 (12.3)

46 (10.2)

695 (12.5)

Unit Packs-year, n(%)

   

  ≤10 Packs-year

4799 (79.9)

368 (82.3)

4431 (80.5)

  >10 Packs-year

1150 (19.2)

79 (17.7)

1071 (19.5)

ETS ‡‡ , n(%)

   

  No

4843 (80.7)

347 (77.1)

4496 (81.0)

  Yes

1160 (19.3)

103 (22.9)

1057 (19.0)

  1. †Body Mass Index. A total of 153 (2.5%) children were pre-schoolers (not shown). ††Socioeconomic Status was categorized in high (A social class), medium (B and C social classes) and low (D social class) based on occupation and school education of the person who contributes more for the household income. ‡‡Environmental Tobacco Smoke.