Table 2 Baseline characteristics of the gift voucher trial
Gift Voucher | No Gift Voucher | Total | |
|---|---|---|---|
N | 389 | 382 | 771 |
Male, n (%) | 230 (59.1) | 202 (52.9) | 432 (56) |
Age yrs, mean (SD)* | 2.22 (1.2) | 2.33 (1.3) | 2.27 (1.2) |
Nr of symptoms at onset, N (%) | |||
1 ** | 263 (67.6) | 255 (66.8) | 518 (67.2) |
2 *** | 94 (24.2) | 101 (26.4) | 195 (25.3) |
3 **** | 32 (8.2) | 26 (6.8) | 58 (7.5) |
Nr of Questionnaires # | |||
2 | 13 (3.3) | 25 (6.5) | 38 (4.9) |
3 | 38 (9.8) | 46 (12.0) | 84 (10.9) |
4 | 338 (86.9) | 311 (81.4) | 649 (84.2) |
Level of education of parents, N (%) | |||
Lowest | 11 (2.8) | 5 (1.3) | 16 (2.1) |
Low | 66 (17.0) | 51 (13.4) | 117 (15.1) |
Medium | 149 (38.3) | 141 (36.9) | 290 (37.6) |
High | 141 (36.3) | 156 (40.8) | 297 (38.5) |
No information | 22 (5.7) | 29 (7.6) | 51 (6.6) |
Allergy or asthma parents | |||
At least one parent with allergy or asthma | 223 (57.3) | 229 (59.9) | 452 (58.6) |
No information | 21 (5.4) | 27 (7.1) | 48 (6.2) |
Ethnicity of parents | |||
Western | 120 (30.9) | 108 (28.3) | 228 (29.6) |
Non-western | 199 (51.2) | 188 (49.2) | 387 (50.2) |
No information | 70 (18.0) | 86 (22.5) | 156 (20.2) |