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Table 1 Lifetime prevalence (LTP), present year prevalence (PYP) of gambling and problem gambling (using Lie/Bet items) categorized by with and without hearing loss, and divided into gender and age (school year) with p values for Chi square-tests (n = 4644)

From: Gambling among adolescents with and without hearing loss

  LTP PYP Bet Lie Problem gambling
All 25.2 19.2 3.2 2.6 4.5
Hearing loss (HL)      
 None 24.4 18.9 3.1 2.3 4.3
 “Mild” 35.5 24.9 4.7 6.0 7.7
 “Severe” 32.4** 24.3** 0 8.1** 4.5*
 With HL 35.2 24.8 4.2 6.2 7.1
 Without HL 24.4** 18.9** 3.1 2.3** 4.3*
All boys# 37.0 29.2    
 With HL 45.7 32.6 5.9 9.1 10.7
 Without HL 36.2* 28.9* 5.4 3.9** 7.3
All girls# 13.1 9.3    
 With HL 22.3 15.1 1.4 2.1 2.5
 Without HL 12.5** 8.9** 0.8 0.7 1.2
All grade 9# 20.7 15.5    
 With HL 31.4 26.3 3.2 5.7 6.7
 Without HL 19.9** 14.6** 2.2 1.7** 2.9**
All year 2# 29.7 23.2    
 With HL 38.5 23.5 5.0 6.7 7.4
 Without HL 28.9** 23.2** 4.1 2.9* 5.6
  1. p < 0.05; ** p < 0.005, # p < 0.001 between boys and girls and grade 9 and year 2