Skip to main content

Table 1 Descriptive data for entire sample (N = 1535)

From: A prospective study of methamphetamine use as a predictor of high school non-attendance in Cape Town, South Africa

Variable n* % (95% confidence interval)
Gender 1527  
   Male   46.9 (43.5 - 50.3)
   Female   53.1 (49.7 - 56.5)
Age category 1505  
   12-14 years   42.1 (34.4 - 50.3)
   15 years   26.8 (22.8 - 31.3)
   16 years   17.1 (13.6 - 21.4)
   17 years or older   13.9 (8.9 - 21.0)
Methamphetamine use 1535  
   Never   91.2 (88.1 - 93.6)
   Life-time use (not past 12 months)   4.0 (2.9 - 5.7)
   Past 12 months use   4.8 (3.3 - 6.8)
Cannabis use 1535  
   Never   75.2 (70.9 - 79.1)
   Life-time use (not past 12 months)   12.0 (9.8 - 14.6)
   Past 12 months use   12.8 (10.4 - 15.7)
Current smoking (past 7 days) 1535 25.4 (20.6 - 30.2)
Current alcohol use (past 7 days) 1535 7.0 (4.9 - 9.0)
Ever repeated a year at school 1534 29.1 (23.3 - 35.8)
Dropout/absent status 1535  
   Dropped out/absent   43.1 (37.8 - 48.5)
   In school   56.9 (51.5 - 62.2)
Age > than norm for grade 1498 22.8 (13.5 - 32.0)
  1. * values are less than 1535 owing to missing values
  2. Confidence intervals adjusted for design of the study