Table 1. Interrupted autoregressive integrated moving average (ARIMA) modeling to estimate effects of IMESEVI and RS-10 interventions in Mexico and two targeted cities.
Estimate | SE | p-value | |
Death rate | |||
México (country) Model: AR(1) S(12) MA (1 2 12) | |||
IMESEVI | 0.03 | 0.04 | 0.546 |
IMESEVI/RS-10 | −0.06 | 0.04 | 0.114 |
Motorization rate | 0.00 | 0.00 | 0.819 |
Annual IEPS | 199.50 | 453.52 | 0.660 |
Guadalajara-Zapopan Model: AR(4) S(12) MA (12) | |||
IMESEVI | −0.04 | 0.08 | 0.576 |
IMESEVI/RS-10 | −0.12 | 0.08 | 0.125 |
Motorization rate | 0.00 | 0.00 | 0.013* |
León Model: AR(1 4 12) S(12) MA (4 12) | |||
IMESEVI | 0.00 | 0.12 | 0.977 |
IMESEVI/RS-10 | −0.09 | 0.13 | 0.474 |
Motorization rate | 0.00 | 0.00 | 0.412 |
Injury rate | |||
México (country) Model: AR(4 12) S(12) MA (1/5) | |||
IMESEVI | −0.49 | 0.38 | 0.193 |
IMESEVI/RS-10 | −1.21 | 0.41 | 0.003* |
Motorization rate | 0.00 | 0.01 | 0.538 |
Annual IEPS | −8844.09 | 5576.83 | 0.113 |
Guadalajara-Zapopan Model: AR(11 12) S(12) MA (11 12) | |||
IMESEVI | −2.21 | 1.98 | 0.264 |
IMESEVI/RS-10 | −1.92 | 1.56 | 0.219 |
Motorization rate | 0.01 | 0.01 | 0.156 |
León Model: AR(12) S(12) MA (1/5) | |||
IMESEVI | 0.07 | 3.72 | 0.985 |
IMESEVI/RS-10 | −0.32 | 3.99 | 0.937 |
Motorization rate | −0.07 | 0.05 | 0.112 |
Collision rate | |||
México (country) Model: AR(3 12) S(12) MA (1/7 9) | |||
IMESEVI | −0.90 | 0.40 | 0.026* |
IMESEVI/RS-10 | −0.26 | 0.71 | 0.718 |
Motorization rate | −0.03 | 0.01 | 0.000* |
Annual IEPS | −2906.24 | 10696.18 | 0.786 |
Guadalajara-Zapopan Model: AR(1 2 12) S(12) MA (1/7 10 11) | |||
IMESEVI | −5.29 | 3.80 | 0.164 |
IMESEVI/RS-10 | −10.39 | 4.75 | 0.029* |
Motorization rate | −0.03 | 0.02 | 0.106 |
León Model: AR(12) S(12) MA (1 3 4 6) | |||
IMESEVI | −12.21 | 3.11 | 0.000* |
IMESEVI/RS-10 | −5.73 | 2.63 | 0.029* |
Motorization rate | −0.04 | 0.03 | 0.190 |
SE: standard error; AR: autocorrelation with (#p) lags of autocorrelations; S: Seasonality; MA: Moving Average with (#q) lags of moving averages; IEPS: National alcohol production and distribution. *Denotes those values that are statistically significant at p<0.05.