Skip to main content

Table 9 Geospatiotemporal regression models

From: Cannabinoid exposure as a major driver of pediatric acute lymphoid Leukaemia rates across the USA: combined geospatial, multiple imputation and causal inference study

Parameter

Model

Parameter

Estimate (C.I.)

P-Value

LogLik

S.D.

Model Parameter

Estimate

P-Value

Cannabis Alone

 spreml (ALL_Rate ~ Cannabis)

  Cannabis

0.22 (0.09, 0.36)

0.0015

− 193.8962

0.4040

phi

0.5060

0.0005

Additive Model

 spreml (ALL_Rate ~ Cigarettes + Cannabis + AUD + Analgesics + Cocaine)

  Cannabis

0.16 (0.06, 0.27)

0.0032

N/A

0.3869

phi

0.4604

0.0005

     

rho

−0.3274

0.0229

Interactive Models - Drugs

 spreml (ALL_Rate ~ Cigarettes * Cannabis * AUD + Analgesics + Cocaine)

  Cigarettes: Cannabis: AUD

22.02 (10.13, 33.91)

0.0003

−189.4824

0.3760

phi

0.3669

0.0022

  Cigarettes: AUD

45.76 (17.83, 73.69)

0.0013

  

rho

−0.3098

0.0349

  Cannabis: AUD

−2.39 (−4.75, −0.02)

0.0482

  

lambda

0.2865

0.0162

Interactive Models - Drugs, Income, Ethnicity

 spreml (ALL_Rate ~ Cigarettes * Cannabis * AUD + Analgesics + Cocaine + Income + 5_Races)

  Hispanic

0.21 (0.15, 0.26)

8.3E-13

−170.6536

N/A

rho

0.3314

0.0007

  Asian

0.12 (0.04, 0.2)

0.0035

  

lambda

−0.3523

0.0011

  Income

−0.29 (− 0.57, − 0.01)

0.0404

     

  African-Am.

− 0.16 (− 0.21, − 0.12)

6.2E-14

     

Interactive Cannabinoid Models - Drugs, Income, Ethnicity

 spreml (ALL_Rate ~ Cigarettes * THC * CBG + AUD + Analgesics + Cocaine + Income + 5_Races)

  Hispanic

0.23 (0.17, 0.28)

9.9E-15

− 163.7442

0.3325

phi

0.0495

0.1403

  Cannabigerol

0.26 (0.01, 0.52)

0.0444

  

psi

0.0573

0.2640

  Cigarettes: THC: Cannabigerol

−1.18 (−1.87, −0.49)

0.0008

  

rho

0.1791

0.2751

  Cigarettes: THC

−4.96 (−7.8, −2.12)

0.0006

  

lambda

−0.2047

0.2159

  African-Am.

−0.13 (− 0.18, − 0.09)

3.4E-09

     
  1. Technical Notes:
  2. phi: - Idiosyncratic component of the spatial error term
  3. psi: - Individual time-invariant component of the spatial error term
  4. rho: - Spatial autoregressive parameter
  5. lambda: - Spatial autocorrelation coefficient