Psychology Article Review on Nail Biting

Nail Biting


The study sample had a mean age of 9 years with the age scope of six-to12 years.The average age of the young girls and boys were not diverse. Forty percent of the kids were the first born of their families. 28% were the second born while 22% of the entire group was the only kid. 38% had no less than one sibling. The percentage of biting nails among the young boys to girls was 20% and 24% separately. The percentage of biting nails was not factually differing depending on the gender kids. Their guardians stated that their kids had not periodically bitten nails in the most recent three months.

The percentage of kids with regular biting of nails and 1 day biting were 7% to 10%, discretely. In this way, 22% of the study group had the propensity of nail biting with recurrence of a day in a week in the most recent three months. 37% of the youngsters who bit their nails had no less than one relative with the issue of nail biting. Furthermore, 23% of kids who bite their nails have no less than one sibling or sister with the same problem. The folks of 12% of youngsters with the issue nail biting frequently nibble their nails. Of all the 93 kids with the problem of NB who have no less than one kin, 31 had a kin with NB. Absolutely, 53 of pupils with the issue of NB and have no less than one kin, no less than one of their kin or folks nibble his/her nail regularly.

Table 2 demonstrates the mean scores of diverse spaces of guardian recorded SDQ for kids with the problem of NB and those not affected by the issue. It shows that the scores of prosaically conduct score, emotional score, and behavior score are essentially distinctive between kids with the problem of NB and those not affected by the issue. Emotional issue score and behavior issue score of kids with the problem of biting nails are more than that of kids not experiencing the issue. Logistic relapse dissection showed that the components of age of the kids and prosaically score have a factually huge relationship with the issue of nail biting recurrence in youngsters. Not anyone of the parental instructive level, sexual orientation, and rank of conception, hyperactivity/heedlessness score, conduct issue score, and companion issue score fundamentally predicts nail biting recurrence in kids. There was a checked pattern for the relationship of emotional issues and nail biting.

Table 1: Frequency of Nail Biting

Frequency Boys (%) Girls (%)
Always 5.0 5.0
Sometimes 6.1 7.1
Rare 9.0 10.0
Never 79.9 77.7

Table 2:

Scale Nail Biting Mean
Prosocial Behavior Score Without With 8.05 7.7
Hyperactivity scale Without With 5.5 5.8
Emotional problem score Without With 3.8 4.2  
Conduct problem score Without With 3.0 3.2
Peer problem score Without With 4.8 5.0


The most striking discoveries of the research are that expressive and behavioral issues are more regular in kids with the issue of biting nails than those without it are. More than twenty percent of kids have this propensity. In addition, the research results contributes to the existing literature that nail biting has a familytrend. There was not a huge relationship between nail biting and emotionalissues; in any case, kids with the issue of NB experiences frequent emotional issues than kids without NB. Also, the prosaically conduct of kids with the issue of nail biting is more fragile than that of kidswithout NB. This conduct is age subordinate yet it is not sexual orientation related (Ghanizadeh, 2013).

Nail-biting permits kids soothe their tension, dejection, and hardship of wellbeing feeling and affection. In any case, there is a debate about the relationship of tension, anxiety, and NB. In this study, emotional issues are rapid than in kids with the issue of nail biting. It ought to be recognized that emotional issues are not equivalent to nervousness. In addition, conceivable circumstances and results to tension and NB has not been accounted for as of now (Ghanizadeh & Shekoohi, 2011). In the interim, 20% of clinical specimen of kids with NB had division tension issue. Moreover, NB is a typical existing factor in numerous psychiatric issue and the co-morbidities can be a clarification for the higher percentage of expressive issues in kids with NB.

An alternate conceivable clarification for the greater percentage of emotional issues in kids with the issue of nail biting may be the results of nail biting. Social and family weight for ceasing this conduct may actuate or expand emotional issues of these kids. Possibly these kids will encounter more elevated amount of emotional issues in the later on ages.

Kids with the issue of nail biting particularly boys attained less scores in the prosaically conduct score. This scale shows social correlation capacity. Thus, the lower score of prosaically conduct score is identified with lower capacity. This lower capability may be an alternate clarification for higher emotional issues in kids with the issue of NB. The average mark for behavior issue in kids with the issue of nail biting was greater than that of those without Nail Biting.


There are a few investigation and scientific implications for the results. The research suggestion is that the basic conduct of nail biting ought to be studied more, despite the fact that research and confirmation on NB hypothesis and its affiliations are getting to be more accessible. One of the scientific implications is the issue of NB happens as often as possible in different parts of crew. Thus, the addressing nail biting in kids and pupils might be considered as a selection inquiry. Positive reaction may show high likelihood for occurrence in different family members. Along these lines, kids psychiatric medical caretakers and school attendants ought to be extremely cautious about this conduct. They ought to assess kids with NB for examination of emotive issues and less created prosaically practices. An alternate clinical ramification is that the other relatives of kids with the issue of nail biting ought to be assessed and monitored for the issue of nail biting (Ghanizadeh, et al., 2013). Mental assessments ought not to be constrained on the kids. In this way, it appears that nail biting ought not to be considered as a basic propensity.


In this study, the assessor was not heedless to the gatherings. Then again, it does not appear to be a deadly imperfection. We measured the length of nail, which is not the subject of assessor predisposition. Notwithstanding, future studies may reflect a second evaluator. This study included kids and youths from a group test. Consequently, generalization of these findings to different crowds or clinical examples is not justified. Besides, it is not clear whether treating con-current psychiatric issues in kids with the issue of nail biting prompts halting nail biting.

Future Directions

The current study intended to overview pervasiveness of biting nails in school-aged kids. The examination of conceivable partner of biting nails with expressive and behavioral issues is an alternate point of this study. It is proposed that future studies includingcommunity samples ought to be led.Likewise, further studies with longer length of time are proposed.


Ghanizadeh, A., (2013). Association of nail biting and psychiatric disorders in kids and their

parents in a psychiatrically referred sample of kids, Child and Adolescent Psychiatry and Mental Health.

Ghanizadeh, A.&Shekoohi, H., (2011). Prevalence of nail biting and its association with

mental health in a community sample of kids, short report, Ghanizadeh and Shekoohi BMC Research Notes

Ghanizadeh, A., Bazrafshan, A., Firoozabadi, , A., Dehbozorgi, , G.(2013).Habit Reversal

versus Object Manipulation Training for Treating Nail Biting: A Randomized Controlled Clinical Trial, Iranian J Psychiatry 8:2

Nail biting is more than a bad habit: Experts to classify the addiction as a mental disorder,

            (2012) Daily mail reporter