Table 1 Mixed-effects models of BT.

All models include random intercepts for individual ID, community ID, and physician ID.

Dependent variable: BT
Model 1Model 2Model 3
PredictorsBaseBase + weatherBase + weather + diseases
Height (cm)−0.001−0.002−0.001
(−0.003, 0.0004)(−0.003, 0.0001)(−0.003, 0.0001)
Weight (kg)0.0010.001*0.001**
(−0.0001, 0.002)(0.0003, 0.002)(0.0005, 0.002)
Age (years)−0.003***−0.003***−0.003***
(−0.004, −0.003)(−0.004, −0.002)(−0.003, −0.002)
Sex (reference = female)0.171*0.1390.142
(0.003, 0.339)(−0.025, 0.303)(−0.022, 0.305)
Male: age−0.001−0.001−0.001
(−0.002, 0.0002)(−0.002, 0.0002)(−0.001, 0.0002)
Date (years)−0.055***−0.054***−0.054***
(−0.061, −0.049)(−0.060, −0.049)(−0.060, −0.049)
Male: date−0.005**−0.005*−0.005*
(−0.010, −0.001)(−0.009, −0.001)(−0.009, −0.001)
Method (reference = “ear”)−0.050*−0.040*−0.046*
(−0.090, −0.010)(−0.080, −0.001)(−0.085, −0.007)
Season (reference = “dry”)0.041***0.040***
(0.024, 0.058)(0.023, 0.057)
Average ambient temperature0.029***0.029***
(°C)(0.027, 0.031)(0.027, 0.031)
Infectious/parasitic diseases−0.017
(Yes/no)(−0.034, 0.001)
Blood diseases−0.003
(Yes/no)(−0.031, 0.025)
Nervous system/sensory−0.016
(Yes/no)(−0.035, 0.003)
Respiratory system0.075***
(Yes/no)(0.058, 0.092)
Digestive system−0.007
(Yes/no)(−0.021, 0.008)
Genitourinary system0.025**
(Yes/no)(0.008, 0.043)
Skin/subcutaneous0.038*
(Yes/no)(0.001, 0.075)
Musculoskeletal system−0.012
(Yes/no)(−0.026, 0.003)
Constant39.412***38.574***38.533***
(39.069, 39.754)(38.235, 38.913)(38.192, 38.874)
Observations16,83016,83016,830
R2 (marginal/conditional)0.13/0.410.16/0.450.17/0.45
Log likelihood−9891.67−9444.39−9421.74
Akaike information criterion19,809.3518,918.7718,889.48

*P < 0.05.

**P < 0.01.

***P < 0.001.