| | No regressors | An intercept | A linear time trend |
| (a) South Africa | DURBAN | 0.252 (0.175, 0.351) | 0.252 (0.175, 0.352) | 0.237 (0.156, 0.343) | PRETORIA | 0.195 (0.095, 0.319) | 0.196 (0.095, 0.324) | 0.201 (0.097, 0.347) | CAPE TOWN | 0.208 (0.136, 0.299) | 0.208 (0.136, 0.299) | 0.207 (0.134, 0.299) |
| (b) Côte d’Ivoire | BONDOUKOU | 0.383 (0.301, 0.486) | 0.377 (0.295, 0.474) | 0.361 (0.266, 0.473) | GAGNOA | 0.254 (0.173, 0.356) | 0.255 (0.174, 0.365) | 0.181 (00612, 0.333) | ABIDJAN | 0.259 (0.171, 0.370) | 0.259 (0.171, 0.370) | 0.259 (0.171, 0.370) |
| (c) Kenya | KISUMU | 0.263 (0.143, 0.414) | 0.268 (0.142, 0.436) | 0.217 (0.011, 0.447) | MOMBASA | 0.356 (0.298, 0.423) | 0.356 (0.298, 0.423) | 0.352 (0.292, 0.421) | NAIROBI |
0.144 (0.084, 0.220) | 0.145 (0.081, 0.221) | −0.019 (−0.107, 0.086) |
| | Intercept | Time trend | Seasonal AR |
| KISUMU | −0.12903 (−1.949) | 0.00077 (1.932) | 0.184 | MOMBASA | −0.26021 (−1.915) | 0.00165 (1.955) | 0.623 | NAIROBI | −0.46857 (−9.171) | 0.00198 (10.468) | 0.530 |
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