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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: J Am Geriatr Soc. 2009 May 21;57(7):1252–1257. doi: 10.1111/j.1532-5415.2009.02306.x

Table 1.

Twelve-month Prevalence of Non-prescription use of Prescription Pain Relievers among Adults Aged 50 or Older in 2005–2006: By Demographic, Substance Use, and Health Variables

(N = 10,953)
Study variables Study Sample
Non-prescription use
% (N) % (SE)
Age in years
    50-64 59.9 (6717) 1.9 (0.23)*
    65 or older
41.1 (4236)
0.6 (0.16)
Sex
    Male 46.1 (4952) 1.7 (0.23)
    Female
53.9 (6001)
1.1 (0.17)
Race/ethnicity
    White 77.9 (8551) 1.3 (0.16)*
    African American 9.6 (997) 1.1 (0.34)
    American Indian or Alaska native 0.4 (121) 9.0 (4.08)
    Asian, Pacific Islander, or native Hawaiian 3.2 (258) 1.6 (0.95)
    Multiple race 1.1 (217) 0.2 (0.12)
    Hispanic
7.8 (809)
1.9 (0.65)
Educational status
    Less than high school 18.1 (2030) 2.2 (0.49)
    High school graduate 32.4 (3705) 1.0 (0.20)
    College or more
49.5 (5218)
1.3 (0.21)
Marital status
    Married 64.1 (6844) 1.2 (0.18)
    Separated, divorced, or widowed 30.7 (3442) 1.6 (0.26)
    Never married
5.3 (667)
2.1 (0.71)
Current employment status
    Employed 50.0 (5623) 1.6 (0.24)
    Not employed
50.0 (5330)
1.1 (0.17)
Total annual family income
    $0–$39,999 43.8 (5067) 1.6 (0.22)
    $40,000–$74,999 28.9 (3218) 1.1 (0.21)
    $75,000+
27.3 (2668)
1.3 (0.29)
Population density
    Large metro areas 50.0 (4379) 1.4 (0.23)
    Small metro areas 41.9 (5334) 1.5 (0.19)
    Non-metro areas
8.2 (1240)
0.8 (0.33)
Past year alcohol use
    Yes 60.0 (6564) 1.7 (0.20)*
    No
40.0 (4389)
0.9 (0.19)
Past year marijuana use
    Yes 2.6 (290) 10.7 (2.27)*
    No
97.4 (10663)
1.1 (0.14)
Past year major depressive episode1
    Yes 4.9 (601) 2.9 (0.72)
    No
95.1 (10259)
1.3 (0.16)
Perceived health status
    Excellent/good 79.9 (8687) 1.3 (0.17)
    Fair/poor
20.1 (2262)
1.8 (0.35)
Past year cirrhosis1
    Yes 0.2 (20) 0
    No
99.8 (10856)
1.3 (0.14)
Past year heart disease1
    Yes 9.5 (1003) 0.9 (0.28)
    No
90.5 (9864)
1.4 (0.16)
Past year lung cancer1
    Yes 0.2 (19) 0
    No
99.8 (10857)
1.3 (0.14)
Past year pancreatitis1
    Yes 0.3 (34) 0
    No
99.7 (10842)
1.3 (0.14)
Past year ulcer1
    Yes 1.4 (162) 0
    No
98.6 (10714)
1.4 (0.14)
Survey year
    2005 49.1 (5123) 1.5 (0.23)
    2006 50.9 (5830) 1.2 (0.19)
1

Missing data (< 1%) were excluded.

S.E.: standard error.

χ2 test:

p < 0.05

*

p < 0.01.

Due to multiple comparisons, only variables with a p-value less than 0.01 were considered statistically significant.