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Table 3 Mean and standard deviation of the number of hazards by room and grader (n = 20 homes)

From: Evaluation of the Home Environment Assessment for the Visually Impaired (HEAVI): an instrument designed to quantify fall-related hazards in the visually impaired

  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%
  1. SD = standard deviation
  2. All comparisons between the expert and each non-expert were not significant (p <0.05)
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