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Table 5 Prevalence of OTC use across variables of interest

From: Self-medication with over-the-counter drugs and complementary medications in South Australia's elderly population

  1992-1993 1994-1995 2000-2001 2003-2004
  Wave 1 N = 268 Wave 3 N = 278 Wave 6 N = 79 Wave 7 N = 83
Variable N % N % N % N %
Age (years)         
   65-79 159 13.0 148 16.6 27 12.5 8 17.0
   80+ 109 12.6 130 16.5 52 9.0 75 17.0
P value 0.809 0.985 0.149 0.997
Gender         
   Female 146 14.2 149 17.4 52 11.4 51 16.8
   Male 122 11.6 129 15.6 27 8.1 32 17.4%
P value 0.075 0.318 0.121 0.873
Education
(Age when left school)
        
   <14 years 47 14.0 47 17.9 14 13.3 11 16.9
   ≥ 14 years 220 12.8 227 16.2 65 9.5 72 17.1
P value 0.538 0.493 0.223 0.965
Tertiary education         
   Yes 98 14.0 101 17.7 27 9.7 31 17.5
   No 170 12.4 176 16.1 52 10.2 52 16.9
P value 0.316 0.388 0.843 0.859
Income Level         
   <$12,000 89 13.0 97 17.4 26 15.8 23 19.8
   $12,000 - $30,000 137 12.7 111 15.4 26 8.3 24 16.4
   >$30,000 25 15.5 27 30.0 5 7.5 8 12.5
P value 0.598 0.003 0.029 0.446
Perceived Health         
   Excellent 19 9.9 17 13.2 4 6.3 4 25.0
   Very Good 63 10.5 58 14.1 25 13.8 13 15.3
   Good 96 15.2 105 19.7 21 9.4 25 14.6
   Fair 73 15.3 73 18.1 18 12.2 24 21.2
   Poor 17 9.4 14 13.2 4 10.8 6 20.2
P value 0.018 0.097 0.438 0.536
  1. The percentages are calculated over the total number of participants in each category of the variable of interest