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Table 1 Demographic and substance use characteristics of participants

From: Treatment adherence amongst drug users attending public and private methadone maintenance clinics in a northern province of Vietnam

CharacteristicsCompletely adherenceIncompletely adherenceTotalp-value
n%n%n%
Age group
 Under 30105.93817.04812.20.01*
 30–407745.09241.116942.8 
 41–506135.76529.012631.9 
 Above 502313.52913.05213.2 
Education
 Less than secondary3017.53616.16616.70.38*
 Secondary school10762.613058.023760.0 
 More than secondary3419.95825.99223.3 
Marital status
 Single2011.74721.06717.00.05*
 Living with partners/ spouses14182.516372.830477.0 
 Divorced/widow105.9146.3246.1 
Employment
 Unemployment105.92310.3338.40.01*
 Freelancer4928.79040.213935.2 
 Blue collar worker/farmer4526.34721.09223.3 
 Self-employed116.4177.6287.1 
 Others5632.84721.010326.1 
Quintile monthly family income
 First3520.54520.18020.30.65*
 Second3721.64520.18220.8 
 Third2917.05223.28120.5 
 Fourth3822.24419.68220.8 
 Fifth3218.73817.07017.7 
Alcohol drinking8851.512354.921153.40.50*
Smoking13981.318180.832081.00.90*
 MeanSDMeanSDMeanSDp-value
Average family income (USD)375.9246.7472.1679.5430.5538.40.92#
  1. *Chi square test, # Mann-Whiney rank sum test