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Table 3 Frequency of internal and external parasite control

From: Awareness of zoonotic diseases and parasite control practices: a survey of dog and cat owners in Qatar

Frequency n % P-value
Internal parasites
Every 1–6 times a yeare 79 52.7  
Every month 29 19.3* P < 0.0001a
No defined pattern of frequencyf 15 8.0* P = 0.022b
Never 12 10.0  
na 15 8.0 Not computed
External parasites
Every 1–6 times a yeare 67 44.7  
Never 37 24.7* P = 0.0003c
Every month 24 16.0  
No defined pattern of frequencyf 10 6.7 P = 0.011d
na 12 8.0 Not computed
  1. Abbreviation: na no answer
  2. *Statistically significant difference to the frequency value positioned immediately above
  3. aχ2 = 6.01, df = 1
  4. bχ2 = 2.28, df = 1
  5. cχ2 = 3.64, df = 1
  6. dχ2 = 2.55, df = 1
  7. eEvery 2 months, every 3 months, every 4 months, every 6 months or every 1 year
  8. fWhenever necessary/as remembered/first time