Table 1 Bayesian regression model results for tests of average pad-to-side pinch strength for stroke count and time for task 1 and 2. The lower (L-95% CI) and upper (U-95% CI) credible intervals for the posterior distribution of slopes all overlap zero indicating non-significance.
From: Hafted technologies likely reduced stone tool-related selective pressures acting on the hominin hand
Estimate | Est. Error | L-95% CI | U-95% CI | |
|---|---|---|---|---|
Model 1: Pad-to-side pinch strength, stroke count for task 1 | ||||
Intercept | 51.80 | 12.11 | 28.22 | 75.64 |
Pinch strength | − 0.05 | 0.49 | − 1.02 | 0.90 |
Model 2: Pad-to-side pinch strength, stroke count for task 2 | ||||
Intercept | 13.29 | 3.14 | 7.07 | 19.48 |
Pinch strength | − 0.02 | 0.43 | − 0.88 | 0.83 |
Model 3: Pad-to-side pinch strength, time for task 1 | ||||
Intercept | 15.29 | 5.32 | 4.70 | 25.73 |
Pinch strength | − 0.13 | 0.47 | − 1.03 | 0.79 |
Model 4: Pad-to-side pinch strength, time for task 2 | ||||
Intercept | 10.20 | 2.41 | 5.37 | 14.84 |
Pinch strength | − 0.13 | 0.33 | − 0.79 | 0.53 |
