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. 2022 Jul 7;8:3. doi: 10.1186/s40733-022-00085-5

Table 1.

Demographics and baseline clinical characteristics of the SABINA III Gulf cluster cohort

All
(N = 301)
Primary care physicians (n = 135) Respiratory specialists (n = 162)
Mild asthma
(n = 32)
Moderate-to-severe asthma (n = 103) All (n = 135) Mild asthma
(n = 13)
Moderate-to-severe asthma
(n = 149)
All
(n = 162)
Age, years
 Mean (SD) 43.9 (15.3) 39.0 (14.9) 46.8 (15.7) 45.0 (15.8) 39.5 (7.9) 43.6 (15.3) 43.2 (14.9)
 Median (min, max) 43.0 (12.0, 82.0) 40.5 (14.0, 71.0) 45.0 (12.0, 82.0) 45.0 (12.0, 82.0) 40.0 (23.0, 56.0) 44.0 (13.0, 74.0) 42.0 (13.0, 74.0)
Age group, years, n (%)
 12–17 18 (6.0) 3 (9.4) 5 (4.9) 8 (5.9) 0 (0) 10 (6.7) 10 (6.2)
 18–54 205 (68.1) 25 (78.1) 68 (66) 93 (68.9) 12 (92.3) 96 (64.4) 108 (66.7)
  ≥ 55 78 (25.9) 4 (12.5) 30 (29.1) 34 (25.2) 1 (7.7) 43 (28.9) 44 (27.2)
Sex, n (%)
 Female 186 (61.8) 25 (78.1) 64 (62.1) 89 (65.9) 10 (76.9) 86 (57.7) 96 (59.3)
BMI, kg/m2
 Mean (SD) 30.2 (6.2) 31.5 (7.6) 30.2 (6.4) 30.5 (6.7) 30.1 (7.7) 29.8 (5.6) 29.9 (5.7)
 Median (min, max) 29.4 (18.2, 53.9) 29.9 (21.2, 53.9) 29.1 (19.0, 52.3) 29.4 (19.0, 53.9) 29.9 (20.7, 47.1) 29.4 (18.2, 48.1) 29.4 (18.2, 48.1)
BMI group, kg/m2, n (%)
  < 18.5 2 (0.7) 0 (0) 0 (0) 0 (0) 0 (0) 2 (1.3) 2 (1.2)
  ≥ 18.5–24.9 54 (17.9) 6 (18.8) 22 (21.4) 28 (20.7) 3 (23.1) 23 (15.4) 26 (16)
  ≥ 25–29.9 107 (35.5) 10 (31.2) 35 (34) 45 (33.3) 4 (30.8) 56 (37.6) 60 (37)
  ≥ 30 138 (45.8) 16 (50) 46 (44.7) 62 (45.9) 6 (46.2) 68 (45.6) 74 (45.7)
Education level, n (%)
 Primary or secondary school 85 (28.2) 8 (25) 28 (27.2) 36 (26.7) 0 (0) 48 (32.2) 48 (29.6)
 High school 73 (24.3) 4 (12.5) 30 (29.1) 34 (25.2) 6 (46.2) 33 (22.1) 39 (24.1)
 University and/or post-graduate education 107 (35.5) 12 (37.5) 23 (22.3) 35 (25.9) 7 (53.8) 62 (41.6) 69 (42.6)
 Unknown 36 (12) 8 (25) 22 (21.4) 30 (22.2) 0 (0) 6 (4) 6 (3.7)
Healthcare insurance/medication funding, n (%)
 Not reimbursed 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0)
 Partially reimbursed 12 (4) 5 (15.6) 3 (2.9) 8 (5.9) 1 (7.7) 3 (2) 4 (2.5)
 Fully reimbursed 287 (95.7) 27 (84.4) 99 (96.1) 126 (93.3) 12 (92.3) 145 (98) 157 (97.5)
 Unknown 1 (0.3) 0 (0) 1 (1) 1 (0.7) 0 (0) 0 (0) 0 (0)
 Missing values, n 1 0 0 0 0 1 1
Smoking status history, n (%)
 Active smoker 28 (9.3) 3 (9.4) 11 (10.7) 14 (10.4) 0 (0) 14 (9.4) 14 (8.6)
 Former smoker 15 (5) 0 (0) 4 (3.9) 4 (3) 0 (0) 11 (7.4) 11 (6.8)
 Never smoker 258 (85.7) 29 (90.6) 88 (85.4) 117 (86.7) 13 (100) 124 (83.2) 137 (84.6)

Prescriber type was not recorded for two patients each in mild asthma and moderate-to-severe asthma group

Abbreviations: BMI body mass index, max maximum, min minimum, SABINA SABA use IN Asthma, SD standard deviation