Table 2 Descriptive statistics of traffic injuries, traffic fatalities and all predictor variables across provinces, 2012–2016

Mean incidence of all cases—n per 100,000 population (sd)

486.5 (165.2)

474.8 (166.8)

467.3 (163.5)

507.3 (180.6)

548.2 (185.1)

Median incidence of all cases—n per 100,000 population (iqr)

465.0 (225.0)

463.8 (209.1)

446.2 (199.4)

484.9 (201.5)

528.4 (225.3)

Min/max incidence of all cases—n per 100,000 population

212.7/1033.8

195.1/1055.9

194.1/1067.7

215.3/1265.8

230.3/1364.8

Mean incidence of deaths—n per 100,000 population (sd)

36.0 (11.2)

34.7 (11.0)

33.7 (10.4)

32.7 (10.6)

35.6 (10.2)

Median incidence of deaths —n per 100,000 population (iqr)

35.9 (16.1)

35.4 (17.2)

34.7 (16.0)

32.2 (16.0)

37.3 (13.5)

Min/max incidence of deaths —n per 100,000 population

9.9/61.7

10.1/60.2

9.4/59.6

8.4/61.9

9.8/61.7

Mean case fatality rate—deaths per victim (sd)

0.08 (0.03)

0.08 (0.03)

0.08 (0.04)

0.07 (0.03)

0.07 (0.03)

Median case fatality rate — deaths per victim (iqr)

0.08 (0.05)

0.09 (0.05)

0.08 (0.05)

0.07 (0.04)

0.08 (0.04)

Min/max case fatality rate — deaths per victim

0.03/0.16

0.03/0.16

0.03/0.22

0.02/0.18

0.02/0.16

Mean GDP per capita—Baht (sd)

143,782.9 (140,613.9)

146,311.5 (143,482.1)

146,149.3 (145,653.8)

148,587.9 (145,624.7)

156,386.8 (151,760.4)

Median GDP per capita —Baht (iqr)

99,760.9 (84,423.8)

100,213.1 (84,903.3)

94,414.3 (96,556.7)

92,982.9 (105,215.0)

96,956.9 (104,432.3)

Min/max GDP per capita —Baht

39,376.8/997,061.8

44,641.3/1031.173.0

42,626.2/1031,237.0

45,891.5/986,152.9

49,443.0/1,009,496.0

Mean accommodation and restaurant businesses—% GDP (sd)

1.8 (4.5)

2.1 (5.2)

2.2 (5.2)

2.7 (6.8)

2.8 (7.0)

Median accommodation and restaurant businesses—% GDP (iqr)

0.5 (0.8)

0.6 (1.0)

0.6 (1.1)

0.7 (1.1)

0.7 (1.3)

Min/max accommodation and restaurant businesses—% GDP

0.1/35.6

0.1/38.6

0.1/36.6

0.1/41.2

0.1/43.4

Mean manufacturing and industry businesses—% GDP (sd)

25.4 (18.4)

25.2 (18.1)

25.4 (18.0)

25.6 (17.7)

25.9 (17.4)

Median manufacturing and industry businesses—GDP (iqr)

18.8 (19.2)

18.4 (17.2)

19.8 (18.8)

19.4 (18.1)

20.9 (18.8)

Min/max manufacturing and industry businesses—% GDP

5.6/79.9

6.2/78.3

5.2/77.0

4.9/76.4

4.7/76.0

Mean gasoline purchased per capita—litres (sd)

383.0 (258.1)

393.2 (262.8)

403.2 (288.5)

419.7 (273.1)

446.2 (288.3)

Median gasoline purchased per capita—litres (iqr)

343.5 (292.7)

347.3 (296.3)

331.1 (289.5)

346.9 (309.5)

382.3 (318.7)

Min/max gasoline purchased per capita—litres

67.4/1569.6

72.8/1529.9

79.9/1709.5

102.5/1808.5

121.5/2124.7