Univariate regression | Multivariate regression | |||||
---|---|---|---|---|---|---|
P value | Unadjusted regression coefficient (95% C.I.) | Partial eta squared | P value | Adjusted regression coefficient (95% C.I.) | Partial eta squared | |
CP versus normal | 0.013* | 1.35 (0.29, 2.41) | 0.08 | < 0.0001* | 5.87 (4.95, 6.78) | 0.43 |
Age | 0.51 | 0.07 (− 0.14, 0.28) | 0.005 | |||
Male versus female | 0.81 | 0.15 (− 1.03, 1.32) | 0.001 | |||
Illiterate father versus university educated | 0.09 | 1.49 (− 0.21, 3.2) | 0.02 | |||
Father occupation: Unemployed versus employed | 0.38 | 0.61 (− 0.76, 1.98) | 0.001 | |||
Illiterate mother versus university educated | 0.37 | 0.98 (− 1.18, 3.13) | 0.005 | |||
Mother occupation unemployed versus employed | 0.17 | 0.91 (− 0.39, 2.21) | 0.01 | |||
Visiting dentist | < 0.0001* | 2.87 (1.7, 4.04) | 0.13 | < 0.0001* | 0.83 (0.44, 1.22) | 0.11 |
Tooth-brushing | 0.004* | − 1.71 (− 2.87, − 0.55) | 0.05 | 0.001* | − 0.70 (− 1.10, − 0.29) | 0.07 |
Sugary snacks twice daily | < 0.0001* | 3.22 (2.23, 4.22) | 0.21 | 0.15 | 0.30 (− 0.11, 0.7) | 0.01 |
Eating semiliquid diet versus solid | 0.053 | 1.71 (− 0.01, 2.36) | 0.02 | |||
Eating liquid diet versus solid | < 0.0001* | 6.02 (4.39, 7.65) | 0.25 | 0.002* | 1.24 (0.47, 2.0) | 0.07 |
Unstimulated flow rate | < 0.0001* | − 6.61 (− 9.69, − 3.53) | 0.1 | < 0.0001* | − 4.46 (− 5.55, − 3.36) | 0.31 |
Initial pH | 0.001* | − 4.49 (− 7.22, − 1.76) | 0.06 | 0.61 | − 0.26 (− 1.28, 0.76) | 0.002 |
Buffering capacity | < 0.0001* | − 5.0 (− 6.15, − 3.85) | 0.32 | < 0.0001* | − 3.45 (− 4.39, − 2.51) | 0.27 |
Salivary total antioxidant capacity | < 0.0001* | 1.49 (0.98, 1.99) | 0.18 | < 0.0001* | 3.95 (3.56, 4.33) | 0.24 |
S. mutans (log count) | < 0.0001* | 8.15 (6.29, 10.0) | 0.33 | < 0.0001* | 4.47 (2.66, 6.27) | 0.35 |
Saliva viscosity: watery versus thick | < 0.0001* | − 4.15 (− 5.2, − 3.09) | 0.28 | 0.001* | − 0.79 (− 1.23, − 0.34) | 0.08 |