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Table 4 The multiple linear regression models for the four cancers

From: Google as a cancer control tool in Queensland

Model Response variable Predictor Coefficient P-value R2
1 Ln(monthly ASR of breast cancer) Intercept 4.47 <0.000 0.206
Ln(monthly SVI) 0.057 0.098
Average of monthly SVIs at lags of 2 and 3 months −0.162 0.0002
2 Ln(monthly ASR of prostate cancer) Intercept 5.054 <0.000 0.225
Ln(monthly SVI) 0.151 0.017
Average of monthly SVIs at lags of 5 and 6 months −0.302 0.0004
3 Ln(monthly ASR of melanoma) Intercept 3.66 <0.000 0.395
Ln(monthly SVI of melanoma) 0.161 0.016
Ln(monthly SVI of skin cancer) 0.231 0.0003
Average of monthly SVIs of skin cancer at lags of 4 and 5 months −0.245 0.0004
4 Ln(monthly ASR of colorectal cancer) Intercept 3.629 <0.000 0.129
Ln(monthly SVI of colorectal cancer) 0.002 0.935
Ln(monthly SVI of bowel cancer) 0.086 0.032
Ln(monthly SVI of colon cancer) 0.072 0.054