Table 5 SAOM models of network evolution in Alberta and British Columbia
| Â | Alberta | British Columbia |
|---|---|---|
OR (95% CI) | OR (95% CI) | |
Rate effects | ||
 Rate parameter period 1 | 6.23 (1.72,10.75)* | 0.98 (0.37,1.58)* |
 Rate parameter period 2 | 28.67 (− 6.64,63.98) | 7.47 (3.50,11.44)* |
Network factors | ||
 Out-degree (density) | 0.02 (0.001, 0.63) | 1.19 (0.02, 92.62) |
 Reciprocity | 1.11 (0.54, 2.29) | 1.41 (0.67, 2.96) |
 In-degree—popularity (sqrt) | 0.182 (0.005, 6.52) | 0.72 (0.18, 2.85) |
 Out-degree—activity (sqrt) | 4.12 (1.24, 13.66)* | 0.50 (0.02, 13.58) |
 Region | Central and Calgary: 9.84 (1.38, 60.46)* | Fraser: 0.44 (0.16, 1.21) |
 Being in the same region | 10.07 (2.42, 41.93)* | 12.75 (4.06, 12.75)* |
 Affiliating to the same chain | 3.29 (0.78, 13.88) | 2.30 (0.48, 10.93) |