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Table 1 Participants’ characteristics

From: Asthma prevalence and associated factors among lebanese adults: the first national survey

  All participants
N = 734
Without asthma
N = 685
Physician diagnosed asthma
N = 49
Current asthma
N = 37
Gender     
Females % 369 (50.3) 345 (50.4) 24 (49) 19 (51.4)
Age     
n (Mean ± SD) 734 (39.9 ± 15.2) 685 (40.2 ± 15.3) 49 (36 ± 13) 37 (37.0 ± 14.3)
Age classes     
[16–35[ 309 (42.1) 284 (41.5) 25 (51) 18 (48.6)
[35–55[ 286 (39) 266 (38.8) 20 (40.8) 15 (40.5)
55 or above 139 (18.9) 135 (19.7) 4 (8.2) 4 (10.8)
Body mass index (BMI)     
 < 25 kg/m2 308 (42.8) 286 (42.6) 22 (45.8) 19 (51.4)
[25–30[ kg/m2 306 (42.5) 286 (42.6) 20 (41.7) 14 (37.8)
 ≥ 30 kg/m2 106 (14.7) 100 (14.9) 6 (12.5) 4 (10.8)
Residence     
Beirut 17 (2.4) 16 (2.4) 1 (2.1) 2 (5.6)
Beqaa and Baalbek 128 (17.7) 124 (18.4) 4 (8.3) 4 (10.8)
Mount Lebanon 246 (34.1) 228 (33.8) 18 (37.5) 14 (38.9)
Nabatieh 20 (2.8) 19 (2.8) 1 (2.1) -
North & Akkar 173 (24) 160 (23.7) 13 (27.1) 14 (38.9)
South 138 (19.1) 127 (18.8) 11 (22.9) 2 (5.6)
Marital status     
Single 262 (36.1) 240 (35.5) 22 (44.9) 20 (54.1)
Married 417 (57.4) 392 (57.9) 25 (51) 16 (43.2)
Widowed/Divorced 47 (6.5) 45 (6.6) 2 (4.1) 1 (2.7)
Education     
 ≤ Complementary 148 (20.4) 145 (21.4) 3 (6.3) 5 (13.9)
Secondary 209 (28.8) 193 (28.5) 16 (33.3) 11 (30.6)
University 369 (50.8) 340 (50.1) 29 (60.4) 20 (55.6)
Occupation     
Student 69 (9.6) 64 (9.6) 5 (10.6) 3 (8.6)
Currently working 463 (64.6) 430 (64.2) 33 (70.2) 22 (62.9)
Not working 153 (21.3) 144 (21.5) 9 (19.1) 9 (25.7)
Retreat 32 (4.5) 32 (4.8) - 1 (2.9)
CCS     
Yes % 228 (31.1) 216 (31.5) 12 (24.5) 6 (16.2)
CWS     
Yes % 151 (20.6) 148 (21.7) 3 (6.1) 3 (8.1)
PCS     
Yes % 42 (5.7) 37 (5.4) 5 (10.2) 5 (13.5)
PWS     
Yes % 19 (2.6) 15 (2.2) 4 (8.2) 1 (2.7)
Indoor allergens     
Yes % 473 (64.4) 440 (64.2) 33 (67.3) 28 (63.6)
Indoor air pollution     
Yes % 555 (75.6) 516 (75.3) 39 (79.6) 29 (78.4)
Outdoor allergens     
Yes % 104 (14.2) 91 (13.3) 13 (26.5) 10 (27.0)
Outdoor air pollution     
Yes % 452 (61.6) 421 (61.5) 31 (63.3) 26 (70.3)
Fruits and vegetables     
Once at least day 514 (70.9) 484 (71.6) 30 (61.2) 21 (56.8)
2–3 times/week 141 (19.4) 131 (19.4) 10 (20.4) 8 (21.6)
 < than once/week 70 (9.7) 61 (9.0) 9 (18.4) 8 (21.6)
Family history of chronic respiratory disease     
Yes % 132 (18.1) 110 (16.1) 22 (44.9) 22 (59.5)
Lung problems (childhood)     
Yes % 53 (7.2) 34 (5.0) 19 (38.8) 11 (29.7)
Allergic rhinitis     
Yes % 239 (32.6) 207 (30.2) 32 (65.3) 30 (81.1)
  1. All values are expressed as n (%) except for age which is expressed a n (mean ± SD)
  2. SD standard deviation, CCS Current cigarette smokers, CWS current waterpipe smokers, PCS previous cigarette smokers, PWS previous waterpipe smokers