Table 1

Evaluation of four cannabis preparations by physical and smoking characteristics*
Characteristic
 Product
 p-value
 Contrasts

1
 2
 3
 4

Cannabis preparation





     THC (g%)
 10.6
 10.6
 6.6
 9.6

     Humidity (%)
 14.4
 12
 11
 11

     Drying time (days)
 2
 4
 4
 4

     Grind size (mm)
 10
 5
 5
 10

Physical





     Smell
 2.71
 3.00
 2.57
 2.43
 0.21
     Humidity
 1.71
 1.86
 1.71
 1.14
 0.28
     General appearance
 2.71
 2.29
 1.43
 1.86
 0.03
 1>3,4
     Ease of preparation
 3.29
 3.14
 3.29
 2.86
 0.55
     Colour
 2.71
 2.71
 2.00
 2.43
 0.03
 1,2>3
     Particle size
 2.86
 2.43
 1.57
 1.86
 0.06
Smoking





     Hotness
 1.86
 1.86
 2.14
 1.86
 0.81
     Harshness
 2.14
 2.14
 1.43
 1.71
 0.53
     Burn rate
 2.57
 2.29
 1.86
 2.00
 0.55
     Taste
 2.00
 2.14
 1.29
 2.00
 0.41
TOTAL SCORE
 24.57
 23.86
 19.29
 20.14
 0.03
 1,2>3,4

*Characteristic scores based on 5-point Likert scales (0–4). Higher scores reflect better ratings for each characteristic. See text for details.

Ware et al. Harm Reduction Journal 2006 3:32   doi:10.1186/1477-7517-3-32

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