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Table 1 Opioids-containing products used by respondents and distribution of demographic characteristics among opioids user and non-opioids users (n = 520)

From: Extent of misuse and dependence of codeine-containing products among medical and pharmacy students in a Nigerian University

VariableUsing opioids
n (%)
n = 146
Not using opioids
n (%)
n = 374
Chi-squarep-value
Gender
 Male73 (50.0)190 (50.8)  
 Female73 (50.0)184 (49.2)0.0270.869
Age (year)
 16–2043 (29.5)144 (38.5)  
  ≥ 20103 (70.5)230 (61.5)3.7350.053
Level of study
 Year 15 (3.4)48 (12.8)  
 Year 236 (24.7)101 (27.0)  
 Year 355 (37.7)124 (33.2)  
 Year 550 (34.2)101 (27.0)9.0920.003*
Faculty
 Medicine and surgery89 (61.0)246 (65.8)  
 Pharmacy57 (39.0)128 (34.2)1.0630.303
Opioids-containing products used by respondents Ψ (n = 178)n (%) 
Diphenhydramine+dextromethorphan (12.5 mg) with codeine cough syrup (Benylin®)91 (51.1) 
Ammonium chloride+diphenyhydramine (14 mg) with codeine (10.9 mg) cough syrup (Emzolyn®)66 (37.1) 
Paracetamol (500 mg) with codeine (8 mg) (Cocodamol®)8 (4.5) 
Dextromethorphan + diphenhydramine with codeine (9 mg) cough syrup (Myasedyl®)6 (3.4) 
Hydrocodone5 (2.8) 
Oxycodone2 (1.1)