Table 2 Variance within and between schools, intraclass correlation and design effect of outcome variables and subjective IAQ (N = 24,511–24,786 students, 222 schools)
From: Dampness and student-reported social climate: two multilevel mediation models
|  | σ2W | σ2B | ICC | DEFF |
|---|---|---|---|---|
Student-teacher relationships | 0.357 | 0.014 | 0.038 | 5.16 |
Class spirit | 0.343 | 0.012 | 0.033 | 4.63 |
Subjective IAQ | 0.347 | 0.045 | 0.116 | 13.84 |