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Table 2 Perceived helpfulness: Data from two internet support groups (percentages)

From: A survey of participants in two internet support groups for people with hair-pulling

  Telemailer Trichees chi-square p -values
Learning about symptoms of TTM     
Helpful 89.5 95.8 0.247 ns
Unhelpful 10.5 4.2   
Learning about causes of TTM     
Helpful 77.2 79.2 20.009 ns
Unhelpful 22.8 20.8   
Learning about treatment of TTM     
Helpful 82.4 91.6 0.523 ns
Unhelpful 17.6 8.4   
Tips to decrease hair-pulling     
Helpful 87.7 79.2 2.977 ns
Unhelpful 8.8 20.8   
Not applicable (I don't have TTM) 3.5 0   
Feeling supported     
Helpful 87.7 87.5 2.612 ns
Unhelpful 12.3 8.3   
Not applicable 0 4.2   
Realizing that you're not alone with TTM     
Helpful 98.2 91.6 2.849 ns
Unhelpful 1.8 4.2   
Not applicable 0 4.2   
Giving a name to the hair-pulling problem     
Helpful 77.2 75 0.409 ns
Unhelpful 21.1 20.8   
Not applicable 1.7 4.2   
Learning about cognitive- behavioral therapy     
Helpful 57.9 58.3 0.044 ns
Unhelpful 42.1 41.7   
Learning about John Kender Diet     
Helpful 94.8 50 19.534 <0.001
Unhelpful 5.2 50   
Learning about Fish Oil Diet     
Helpful 90.9 70 0.439 ns
Unhelpful 9.1 30