| Characteristics | Benin (N = 159) n (%) | Côte d’Ivoire (N = 149) n (%) | All (N = 308) n (%) |
| Type of activities |
|
|
|
| Repairing | 69 (43.4) | 69 (46.3) | 138 (44.8) |
| Buying or selling | 48 (30.2) | 76 (51.0) | 124 (40.3) |
| Dismantling | 48 (30.2) | 50 (33.6) | 98 (31.8) |
| Collection or discharge | 42 (26.4) | 40 (26.8) | 82 (26.6) |
| Sorting | 24 (15.1) | 31 (20.8) | 55 (17.9) |
| Burning | 12 (7.5) | 26 (17.4) | 38 (12.3) |
| Removal of coating from electronic wires | 9 (5.7) | 24 (16.1) | 33 (10.7) |
| Burning of wires only | 13 (8.2) | 19 (12.8) | 32 (10.4) |
| Collection of ashes or wires after burning | 0 (0.0) | 9 (6.0) | 9 (2.9) |
| Melting lead-acid batteries | 0 (0.0) | 6 (4.0) | 6 (1.9) |
| Wearing protective equipment | 60 (37.7) | 22 (14.8) | 82 (26.6) |
| Place of living | |||
| On the work site | 20 (12.6) | 1 (0.7) | 21 (6.8) |
| Off the work site, <1 km | 30 (18.9) | 24 (16.1) | 54 (17.5) |
| Off the work site, >1 km | 109 (68.6) | 124 (83.2) | 233 (75.6) |
| Personal asthma history | 3 (1.9) | 0 (0.0) | 3 (1.0) |
| Family asthma history | 26 (16.4) | 9 (6.0) | 35 (11.4) |
| Cigarette smoking | 22 (16.4) | 39 (26.2) | 65 (21.1) |