Table 3 Mean and standard deviation of the number of hazards by room and grader (n = 20 homes)
| Â | Expert | Non-expert 1 | Non-expert 2 | |||
|---|---|---|---|---|---|---|
Room (# possible hazards) | Mean # identified hazards (SD) | % of items Graded as hazard | Mean (SD) | % of items Graded as hazard | Mean (SD) | % of items Graded as hazard |
Living Room (12 items) | 3.3 (1.8) | 27.5% | 3.1 (1.6) | 25.8% | 3.1 (1.8) | 25.8% |
Dining Room (12 items) | 3.5 (1.9) | 29.2% | 3.4 (2.7) | 28.3% | 3.3 (1.5) | 27.5% |
Kitchen (15 items) | 4.9 (1.7) | 32.7% | 4.2 (1.4) | 28.0% | 4.3 (1.7) | 28.7% |
Bedroom (13 items) | 4.2 (1.9) | 32.3% | 3.5 (1.8) | 26.9% | 3.8 (1.6) | 29.2% |
Bathroom (16 items) | 7.4 (2.7) | 46.3% | 7.1 (2.3) | 44.4% | 6.6 (2.6) | 41.3% |
Hallway (11 items) | 3.1 (1.9) | 28.2% | 2.8 (1.8) | 25.5% | 3.0 (1.5) | 27.3% |
Stairs (16 items) | 4.5 (3.3) | 28.1% | 4.2 (3.0) | 26.3% | 3.3 (2.8) | 20.6% |
Entrance (24 items) | 5.1 (3.4) | 21.3% | 5.0 (3.2) | 20.8% | 5.0 (3.4) | 20.8% |
Entire Home (119 items) | 35.7 (9.1) | 30.0% | 33.2 (9.5) | 27.9% | 32.3 (8.9) | 27.1% |