Table 1. Overview of numbers of participants recruited, their demographic features and household (HH) structures in the 2001/02, 2008/09, 2012/2013 and current carriage studies.
| 2001/02 | 2008/09 | 2012/13 | 2015/16 | |
|---|---|---|---|---|
| Number of Participants | 488 | 382 | 683 | 657 |
| Number of Swabs taken | 3868 | 382 | 683 | 650 |
| Number of Participants <5 years (%) | 180 (37) | 192 (50) | 277 (41) | 293 (45) |
| Number of Participants 5–20 years (%) | 71 (15) | 57 (15) | 112 (16) | 73 (11) |
| Number of Participants 20+ years (%) | 237 (49) | 133 (35) | 294 (43) | 284 (44) |
| Number of Proportion female | 53.0% | 56.4% | 57.1% | 62% |
| Number of HH | 121 | 146 | 217 | 244 |
| Median HH size (range) | 4 (2–7) | 4 (3–7) | 4 (2–8) | 3 (2–7) |
| Median # adults in HH (range) | 2 (1–5) | 2 (1–5) | 2 (1–4) | 2 (1–3) |
| Median # children in HH (range) | 1 (1–3) | 2 (1–4) | 2 (1–5) | 2 (1–5) |
| Proportion of smoke free HH | 66.9% | 81.0% | 84.3% | 79.0% |
| Recent antibiotic use (% of swabs) | 338 (8.7) | 4 (1.0) | Analysis of 12/13 data excluded children with recent antibiotic use | 6 (0.9) |