Table 3

Results of GMM for clustering the trend of injured rates for all provinces

ParameterClass 1*Class 2†Class 3‡Class 4§
N (%)14 (45.2)3 (9.7)8 (25.8)6 (19.3)
Intercept1.09***0.48***0.95***1.01***
Slope−0.01***0.0020.03***0.01***
Time Scores(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
  • *** is significant at <0.001.

  • *Bushehr, Chaharmahal and Bakhtiari, Fars, Gilan, Golestan, Ilam, Kermanshah, Kurdistan, Kohgiluyeh and Boyer-Ahmad, Khuzestan, Markazi, Tehran, West Azerbaijan, Yazd.

  • †Hormozgan, Kerman, Sistan and Baluchistan.

  • ‡East Azerbaijan, Isfahan, North Khorasan, Qazvin, Qom, Razavi Khorasan, Semnan, Zanjan.

  • §Alborz, Ardabil, Hamadan, Lorestan, Mazandaran, South Khorasan.

  • GMMs, growth mixture models.