Table 1 Demographic characteristics of study participants at each cross-sectional survey
| Â | Surveya | |||
|---|---|---|---|---|
CCS-1 | CCS-2 | CCS-3 | CCS-3 | |
Arm | ||||
 1 × treatment | -- | -- | 375 (100.0%) | 0 (0.0%) |
 3 × treatment | 414 (100.0%) | 417 (100.0%) | 0 (0.0%) | 343 (100.0%) |
Age group | ||||
  < 10 y | 205 (49.5%) | 173 (41.5%) | 157 (41.9%) | 182 (53.1%) |
  ≥ 10 y | 209 (50.5%) | 244 (58.5%) | 218 (58.1%) | 161 (46.9%) |
Gender (males) | 218 (52.7%) | 209 (50.1%) | 198 (52.8%) | 158 (46.1%) |
Ethnicity (Jola) | 408 (98.6%) | 407 (97.6%) | 346 (92.3%) | 333 (97.1%) |
Occupation | ||||
 None | 185 (45.2%) | 162 (39.0%) | 135 (38.1%) | 169 (50.0%) |
 Student | 148 (36.2%) | 149 (35.9%) | 128 (36.2%) | 90 (26.6%) |
 Agriculture | 76 (18.6%) | 104 (25.1%) | 91 (25.7%) | 79 (23.4%) |
Schooling years | ||||
 0 | 260 (62.8%) | 258 (61.9%) | 240 (64.0%) | 242 (71.8%) |
 (1–3) | 72 (17.4%) | 67 (16.1%) | 58 (15.5%) | 36 (10.7%) |
 (4–6) | 51 (12.3%) | 48 (11.5%) | 11 (2.9%) | 25 (7.4%) |
  > 6 | 31 (7.5%) | 44 (10.6%) | 66 (17.6%) | 34 (10.1%) |
Able to read (yes) | 155 (37.4%) | 158 (37.9%) | 76 (20.3%) | 56 (16.3%) |
Able to write (yes) | 154 (37.2%) | 158 (37.9%) | 92 (24.5%) | 63 (18.4%) |
Recentb health centre visit (yes) | 14 (3.4%) | 12 (2.9%) | 18 (4.8%) | 30 (8.8%) |
Recentb antibiotic use (yes) | 2 (0.5%) | 2 (0.5%) | 6 (1.6%) | 4 (1.2%) |
Smoker in the household (yes) | 264 (63.8%) | 273 (65.5%) | 113 (30.2%) | 166 (48.7%) |
S. pneumoniae carriage (yes) | 180 (43.5%) | 80 (19.2%) | 182 (48.5%) | 157 (45.8%) |