Table 1 Individual characteristics of the study population in rural Gwanda, Zimbabwe (n = 496)
Characteristic | Adults (n = 388) | Children (n = 108) | Total |
|---|---|---|---|
Demographic and socioeconomic characteristics | |||
Participation by village, n (%) | Â | Â | Â |
 Garanyemba | 104 (26.8) | 30 (28.04) | 134 (27.07) |
 Mawane 1 | 26 (6.7) | 4 (3.74) | 30 (6.06) |
 Mawane 2 | 33 (8.51) | 4 (3.74) | 37 (7.47) |
 Mtandawenhema | 33 (8.51) | 7 (6.54) | 40 (8.08) |
 Nsimbi | 77 (19.85) | 15 (14.02) | 92 (18.59) |
 Sifanjani | 20 (5.15) | 5 (4.67) | 25 (5.05) |
 Swisha | 50 (12.89) | 26 (24.3) | 76 (15.35) |
 Zhokwe | 45 (11.60) | 16 (14.95) | 61 (12.32) |
 Total | 388 (78.23) | 108 (21.77) | 496 (100) |
Age, mean(sd) | 42.84 (18.06) | 14.09 (2.03) | 36.58 (19.92) |
Gender, n (%) | Â | Â | Â |
 Male | 115 (29.64) | 34 (31.48) | 149 (30.04) |
 Female | 273 (70.36) | 74 (68.52) | 347 (69.96) |
Education (n = 490), n (%)a |  |  |  |
 No education | 23 (6) | 0 (0) | 23 (4.69) |
 Primary | 147 (38.48) | 34 (31.48) | 181 (36.94) |
 Secondary and tertiary | 212 (55.50) | 74 (68.52) | 286 (58.37) |
Monthly household income below poverty line (n = 354), n (%)a,b | 354 (100) | – | – |
Ever smoked | 51 (13.35) | 1 (0.95) | 52 (10.68) |
Passive smoking | 196 (51.31) | 36 (33.96) | 232 (47.54) |
Alcohol use | 60 (15.79) | 0 (0) | 60 (12.3) |
Individual and family history of allergy | |||
Allergic sensitization (n = 462), n (%)c | 120 (33.33) | 24 (23.53) | 144 (31.17) |
 Any allergy, n (%) | 129 (33.77) | 29 (26.85) | 158 (32.24) |
 Nasal allergy, n (%) | 107 (28.01) | 23 (21.3) | 130 (26.53) |
 Skin allergy, n (%) | 59 (15.49) | 11 (10.19) | 70 (14.31) |
Allergy symptoms when harvesting mopane worms (n = 309), n (%) | 70 (26.82) | 12 (25) | 82 (26.54) |
Allergy symptoms near grass, flowers or trees n (%) | 131 (34.29) | 23 (21.50) | 154 (31.49)* |
Allergy symptoms near furry animals, n (%) | 155 (40.58) | 35 (32.71) | 190 (38.85) |
History of allergy among siblings, n (%) | 124 (32.63) | 20 (18.52) | 144 (29.51)* |
History of allergy among parents, n (%) | 85 (22.31) | 13 (12.04) | 98 (20.04)* |