Table 3.
Socio-economic factors related to urbanicity (continuous and ranked data).
| Factor | Mean with 95%CI |
Test statistics | p-value | ||
|---|---|---|---|---|---|
| Urban | Peri-urban | Rural | |||
| Number of households/km2 (log) | 3.0 ± 1.0 | 2.2 ± 0.7 | 1.8 ± 0.6 | UP: F1,57 = 21.37 | p < 0.001 |
| Back-transformed: number/km2 | 1047 (96–11, 481) | 174 (39–776) | 62 (16–240) | PR: F1,25 = 13.56 | p = 0.001 |
| Distance from city centroid (m, sqrt) | 80.0 ± 11.3 | 110.2 ± 7.9 | 130.5 ± 9.7 | UP: F1,68 = 25.34 | p < 0.001 |
| Back-transformed: km | 6.4 (4.7–8.3) | 12.1 (10.5–13.9) | 17.0 (14.6–19.7) | PR: F1,26 = 19.55 | p < 0.001 |
| Transportation cost to Kampala (log) | 6.3 ± 0.2 | 6.7 ± 0.2 | 7.2 ± 0.3 | UP: F1,56 = 13.29 | p < 0.001 |
| Back-transformed: Uganda Shillings | 545 (446–665) | 812 (665–992) | 1339 (992–1808) | PR: F1,24 = 15.93 | p < 0.001 |
| Time to nearest trading centre (log) | 2.2 ± 1.2 | 1.8 ± 1.2 | 3.4 ± 1.3 | UP: | p = 0.488 |
| Back-transformed: min | 9.2 (2.8–30.2) | 6.1 (1.8–20.7) | 28.7 (8.2–100.6) | PR: | p = 0.010 |
| Perception of pollution (rank: 0–2)a | 1.0 | 1.0 | 0.0 | H2 = 15.56 | p < 0.001 |
| Land price (0.2nd power) | 61.3 ± 5.6 | 49.1 ± 5.5 | 44.2 ± 7.3 | UP: F1,51 = 19.66 | p < 0.001 |
| Back-transformed: million Shil/acre | 866 (536–1340) | 285 (158–485) | 169 (68–362) | PR: F1,22 = 2.11 | p = 0.16 |
UP: between urban and peri-urban, PR: between peri-urban and rural, sqrt: square root.
a
Values for perception of pollution are median.