From: Association of COVID-19-imposed lockdown and online searches for toothache in Iran
 | 2020 | 2019 | 2018 | 2017 | 2016 |
---|---|---|---|---|---|
(Constant) | 0.69*** (0.33, 1.05) |  − 0.41 (− 1.05, 0.23) | 0.05 (− 0.55, 0.65) | 0.33 (− 0.29, 0.95) | 0.002 (− 0.55, 0.55) |
Human Development Index (HDI) |  − 3.29** (− 5.80,  − 0.78 ( | 4.30 (− 0.19, 8.78) | 1.56 (− 2.65, 5.78) |  − 0.69 (− 5.04, 3.67) | 1.83 (− 2.02, 5.69) |
Internet access | 0.36 (− 0.38, 1.09) |  − 0.59 (− 1.90, 0.72) |  − 0.50 (− 1.73, 0.74) |  − 0.22 (− 1.49, 1.06) |  − 1.13* (− 2.26, 0.00) |
Fluoride concentration |  − 0.13* (− 0.24,  − 0.03) |  − 0.12 (− 0.31, 0.07) |  − 0.16 (− 0.33, 0.02) |  − 0.09 (− 0.27, 0.09) | 0.08 (− 0.08, 0.24) |
Dentists’ density |  − 0.04 (− 0.25, 0.17) |  − 0.34 (− 0.72, 0.03) |  − 0.074 (− 0.43, 0.28) | 0.14 (− 0.23, 0.50) |  − 0.01 (− 0.33, 0.31) |
Daily smokers | 0.33** (0.13, 0.53) |  − 0.07 (− 0.42, 0.29) |  − 0.17 (− 0.50, 0.16) | 0.02 (− 0.32, 0.36) | 0.20 (− 0.10, 0.50) |
R2 | 0.541 | 0.274 | 0.234 | 0.092 | 0.320 |