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Table 4 Regression output for the TRF validation model

From: Geographical distribution of typhoid risk factors in low and middle income countries

Independent variables Coefficients (SD)
TRF type 1 (hv201: 9, 10, 12) TRF type 2 (hv205: 2, 7) TRF type 3 (hv201: 2, 7, 11) TRF type 4 (hv205: 1, 3) TRF type 5 (hv201: 4, 7, 11, 12, hv205: 6, NGDC)
cTRF2 (25–75%) -0.592 (0.31)a -0.124 (0.404) 0.278 (0.326) -0.368 (0.308) 1.165 (0.317)c
cTRF3 (75–100%) 0.379 (0.349) 0.179 (0.44) -1 (0.453)b 0.029 (0.353) 1.422 (0.37)c
Age group 1 (age < 2) 0.952 (0.445)b 0.822 (0.437)a 0.798 (0.446)a 0.808 (0.44)a 0.791 (0.449)a
Age group 2 (2 ≤ age < 5) -4.379 (1.337)c -5.084 (1.327)c -5.486 (1.383)c -5.06 (1.346)c -5.378 (1.337)c
Age group 3 (5 ≤ age < 15) -1.639 (0.66)b -1.745 (0.662)c -1.513 (0.659)b -1.505 (0.678)b -1.705 (0.664)b
Age group 4 (age ≥ 15) -3.686 (1.513)b -4.39 (1.504)c -5.086 (1.558)c -4.485 (1.529)c -4.944 (1.522)c
Incidence rate type dummy (population based vs. hospital based) -3.278 (0.601)c -3.396 (0.64)c -4.139 (0.658)c -3.391 (0.6)c -3.58 (0.599)c
Interaction variable1 (age group 1 X incidence rate type dummy) omitted omitted omitted omitted omitted
Interaction variable2 (age group 2 X incidence rate type dummy) 5.702 (1.39)c 6.277 (1.388)c 6.64 (1.439)c 6.294 (1.408)c 6.53 (1.393)c
Interaction variable3 (age group 3 X incidence rate type dummy) 2.357 (0.779)c 2.223 (0.776)c 1.905 (0.783)b 2.056 (0.785)c 2.236 (0.781)c
Interaction variable4 (age group 4 X incidence rate type dummy) 3.255 (1.597)b 4.005 (1.582)b 4.608 (1.637)c 4.188 (1.618)c 4.509 (1.605)c
Constant 3.521 (0.529)c 4.391 (0.512)c 5.086 (0.655)c 4.485 (0.58)c 3.521 (0.529)c
Log likelihood -225.434 -230.207 -225.987 -229.632 -222.464
AIC 472.8678 482.4148 473.9739 481.2634 466.929
BIC -243.245 -233.698 -242.139 -234.849 -249.184
  1. aSignificance at the 10% level, bat the 5% level, cat the 1% level