Table 5.
Generalized additive mixed effect models testing the effect of IEQ condition and on cognitive scores, normalized to the “Conventional” condition, treating participant as a random intercept.
| Condition | Cognitive domain: estimate, [95% confidence interval], (p-value) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Basic Activity Level | Applied Activity Level | Focused Activity Level | Task Orientation | Crisis Response | Information Seeking | Information Usage | Breadth of Approach | Strategy | Average | |
| Day 1 Green+ | 1.35 [1.28, 1.43] (< 0.0001) | 1.39 [1.26, 1.52] (< 0.0001) | 1.44 [1.27, 1.62] (< 0.0001) | 1.14 [1.11, 1.17] (< 0.0001) | 2.35 [1.91, 2.78] (< 0.0001) | 1.10 [1.07, 1.14] (< 0.0001) | 3.94 [3.47, 4.41] (< 0.0001) | 1.43 [1.25, 1.60] (< 0.0001) | 3.77 [3.40, 4.14] (< 0.0001) | 1.99 [1.89, 2.09] (< 0.0001) |
| Day 2 Moderate CO2 | 1.20 [1.13, 1.27] (< 0.0001) | 1.08 [0.95, 1.21] (0.23) | 1.68 [1.51, 1.85] (< 0.0001) | 1.05 [1.02, 1.08] (0.0009) | 2.05 [1.63, 2.48] (< 0.0001) | 1.11 [1.08, 1.15] (< 0.0001) | 2.61 [2.15, 3.07] (< 0.0001) | 1.29 [1.12, 1.46] (0.0013) | 3.17 [2.81, 3.53] (< 0.0001) | 1.69 [1.59, 1.79] (< 0.0001) |
| Day 3 High CO2 | 0.91 [0.84, 0.98] (0.015) | 0.88 [0.75, 1.01] (0.081) | 0.85 [0.68, 1.02] (0.087) | 1.00 [0.97, 1.03] (0.76) | 1.33 [0.90, 1.75] (0.14) | 1.08 [1.05, 1.12] (< 0.0001) | 1.01 [0.55, 1.48] (0.95) | 0.98 [0.81, 1.15] (0.78) | 0.83 [0.47, 1.19] (0.36) | 0.99 [0.89, 1.09] (0.78) |
| Day 4 Green | 1.14 [1.06, 1.21] (0.0003) | 1.04 [0.91, 1.18] (0.51) | 1.51 [1.34, 1.68] (< 0.0001) | 1.03 [1.00, 1.06] (0.065) | 1.97 [1.54, 2.40] (< 0.0001) | 1.09 [1.05, 1.12] (< 0.0001) | 2.72 [2.26, 3.19] (< 0.0001) | 1.21 [1.04, 1.38] (0.018) | 2.83 [2.46, 3.19] (< 0.0001) | 1.61 [1.51, 1.71] (< 0.0001) |
| Day 5 Conventional (Reference) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Day 6 Green+ | 1.37 [1.30, 1.44] (< 0.0001) | 1.33 [1.20, 1.46] (< 0.0001) | 1.52 [1.35, 1.69] (< 0.0001) | 1.15 [1.12, 1.19] (< 0.0001) | 2.27 [1.85, 2.69] (< 0.0001) | 1.11 [1.08, 1.15] (< 0.0001) | 4.04 [3.58, 4.51] (< 0.0001) | 1.50 [1.33, 1.67] (< 0.0001) | 3.98 [3.62, 4.34] (< 0.0001) | 2.03 [1.93, 2.13] (< 0.0001) |
| R2 | 0.34 | 0.17 | 0.33 | 0.03 | 0.28 | 0.06 | 0.69 | 0.27 | 0.79 | 0.81 |
| IEQ, indoor environmental quality. | ||||||||||