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Table 3 General characteristics of the elderly by medication use

From: Predictors of polypharmacy among elderly Thais with depressive and anxiety disorders: findings from the DAS study

General characteristics and diseases Percent of drugs used by group χ2 (df) P-value
1–2 drugs 3–5 drugs 6 drugs or more
 • Depressive disorder 15.5 26.2 28.3 11.50(2) 0.002
 • Anxiety disorder 3.9 43.1 52.9 23.05(2) <  0.001
 • Hypertension 4.3 27.6 43.9 96.96(2) <  0.001
 • Diabetes mellitus 1.3 4.1 15.7 44.64(2) <  0.001
 • Dyslipidemia 7.7 9.1 5.2 2.98(2) 0.225
Health care privilege     24.14(4) <  0.001
 • Self or private 21.9 18.3 7.9   
 • Civil or state 15.5 25.0 20.7   
 • Universal coverage or social welfare 24.9 22.7 19.7   
Education     5.43(4) 0.246
 • Less than primary school 77.6 70.2 69.8   
 • High school 10.2 14.0 11.5   
 • Bachelor and higher 12.2 15.8 18.8   
Monthly income (USD; 1 USD = 32.76 Baht)     9.28(4) 0.054
 • < 152.62 56.9 63.0 56.9   
 • 152.62–305.25 19.0 11.4 12.4   
 • > 305.25 24.1 25.6 30.7   
Age group (years)     3.38(4) 0.497
 • 60–64 33.5 31.2 33.2   
 • 65–74 44.2 47.6 40.6   
 • More than 74 22.3 21.2 26.2   
Living with spouse status     13.11(2) 0.001
 • Alone 28.3 36.8 44.5   
 • With others 71.7 63.2 55.5   
Number of diseases (Mean ± SD) 1.13 ± .34 1.77 ± .82 3.54 ± 1.72 290.89a(2) < .001
Neuroticism score 40.83 ± 11.37 43.57 ± 12.72 45.90 ± 13.53 8.94(2) < 0.001
  1. aF statistic