Table 2

BFRBs characteristics among medical students in Karachi
Variable males females
Hair Pulling
  Yes 9 19
  No 46 136
< 5 times a day 7 12
≥ 5 times a day 2 7
< 4 weeks 1 1
4 weeks to 12 months 1 0
≥ 12 months 7 18
noticeable hair loss 3 5
interfere day to day activity 2 3
behavior cause injury 1 2
cause permanent scar or damage 3 1
seek medical attention 1 2
medical professional suggested you to stop it 1 2
behavior under the influence of alcohol or drugs 0 2
Hair Manipulation
  Yes 31 34
  No 24 121
< 5 times a day 16 23
≥ 5 times a day 15 11
< 4 weeks 4 5
4 weeks to 12 months 7 6
≥ 12 months 20 23
noticeable hair loss 5 8
interfere day to day activity 4 3
behavior cause injury 1 2
cause permanent scar or damage 1 1
seek medical attention 2 3
medical professional suggested you to stop it 1 5
behavior under the influence of alcohol or drugs 1 0
Nail Biting
  Yes 11 36
  No 44 119
< 5 times a day 7 27
≥ 5 times a day 4 9
< 4 weeks 0 3
4 weeks to 12 months 0 8
≥ 12 months 11 25
interfere day to day activity 4 5
behavior cause injury 2 6
cause permanent scar or damage 2 3
seek medical or dental attention 2 3
medical professional suggested you to stop it 5 6
behavior under the influence of alcohol or drugs 0 1
Chew Mouth, Lips or Cheeks
  Yes 23 51
  No 32 104
< 5 times a day 17 36
≥ 5 times a day 6 15
< 4 weeks 3 8
4 weeks to 12 months 3 5
≥ 12 months 17 38
interfere day to day activity 1 1
behavior cause injury 5 10
cause permanent scar or damage 2 1
seek medical attention 1 0
medical professional suggested you to stop it 3 5
behavior under the influence of alcohol or drugs 0 0
Bite on Other Areas
  Yes 5 9
  No 50 146
< 5 times a day 3 8
≥ 5 times a day 2 1
< 4 weeks 0 0
4 weeks to 12 months 1 3
≥ 12 months 4 6
interfere day to day activity 0 2
behavior cause injury 3 3
cause permanent scar or damage 0 1
seek medical attention 1 0
medical professional suggested you to stop it 2 1
behavior under the influence of alcohol or drugs 1 1

Siddiqui et al.

Siddiqui et al. BMC Research Notes 2012 5:614   doi:10.1186/1756-0500-5-614

Open Data