Skip to main content

Table 7 Introductory Spatiotemporal Models

From: A geospatiotemporal and causal inference epidemiological exploration of substance and cannabinoid exposure as drivers of rising US pediatric cancer rates

Parameter

Model

Parameter

Estimate (C.I.)

P-Value

LogLik

S.D.

Model Parameter

Estimate

P-Value

Additive Model

 spreml(Cancer_Rate ~ Cigarettes + Cannabis + Alcohol + Analgesics + Cocaine)

  Cannabis

5.16 (2.26, 8.06)

0.0005

− 1541.00

1.9451

phi

0.3170

0.0002

  Analgesics

− 4.6 (−9.18, − 0.02)

0.0490

  

psi

0.1480

0.0007

  Cigarettes

−2.72 (−4.85, −0.59)

0.0124

  

rho

−0.4959

2.2E-05

     

lambda

0.4598

8.2E-08

3-Way Interactive model

 spreml(Cancer_Rate ~ Cigarettes * Cannabis * Alcohol + Analgesics + Cocaine)

  Cannabis

20.68 (7.02, 34.33)

0.0030

−1541.24

1.9495

phi

0.3466

0.0002

  Cigarettes: Alcohol

48.6 (2.75, 94.46)

0.0378

  

psi

0.1488

0.0006

  Cigarettes: Cannabis

−46.18 (−84.76, −7.6)

0.0190

  

rho

−0.5248

2.4E-06

  Alcohol

−25.69 (−44.01, −7.37)

0.0060

  

lambda

0.4837

1.3E-09

4-Way Interactive model

 spreml(Cancer_Rate ~ Cigarettes * Cannabis * Alcohol * Analgesics + Cocaine)

phi

0.3169

0.0002

  Cannabis

5.42 (2.34, 8.5)

0.0006

− 1540.34

1.9470

psi

0.1479

0.0007

  Alcohol

−8.18 (−14.61, −1.74)

0.0128

  

rho

−0.4896

3.1E-05

  Cigarettes: Analgesics

−31.81 (−56.07, −7.54)

0.0102

  

lambda

0.4514

2.1E-07

Interactive Full Model - 0 Lags

 spreml(Cancer_Rate ~ Cigarettes * Cannabis * Alcohol * Analgesics + Cocaine + 6_Races + Income)

  Cigarettes

28.41 (12.48, 44.34)

0.0005

− 1520.55

1.8458

phi

0.1709

0.0017

  Cannabis

45.67 (18.77, 72.56)

0.0009

  

psi

0.1079

0.0138

  White

5.24 (3.38, 7.1)

0.0000

  

rho

−0.4106

0.0029

  Cigarettes: Cannabis: Alcohol

840.86 (416.29, 1265.44)

0.0001

  

lambda

0.3643

0.0006

  Alcohol: Analgesics

638.1 (283.09, 993.12)

0.0004

     

  Asian-American

0.6 (0.23, 0.97)

0.0015

     

  Hispanic-American

0.45 (0.11, 0.79)

0.0089

     

  Cigarettes: Cannabis: Analgesics

966.38 (184.69, 1748.06)

0.0154

     

  AIAN-American

−8.3 (−15.42, −1.18)

0.0224

     

  Cigarettes: Analgesics

−240.1 (−391.42, − 88.77)

0.0019

     

  Cannabis: Alcohol: Analgesics

− 2613.19 (− 4248.03, − 978.35)

0.0017

     

  Cigarettes: Cannabis

− 235.06 (− 381.19, −88.92)

0.0016

     

  Alcohol

−79.04 (− 114.93, − 43.14)

1.6E-05

    Â