Skip to main content

Table 1 Characteristics of the Study Population

From: Factors associated with the use of dietary supplements and over-the-counter medications in Japanese elderly patients

Characteristics

Total (n = 729)

Age, mean ± SD

75.6 ± 7.5

Sex, n (%)

 Male

353 (48.4)

 Female

376 (51.6)

Drug prescriptions per patient, median (IQR)

4 (2–6)

Charlson comorbidity index, median (IQR)

1 (0–1)

Smoking status, n (%)

 Current smoker

70 (9.6)

 Past smoker

285 (39.3)

 Never smoker

371 (51.1)

Regular drinker, n (%)

238 (32.8)

Lives alone, n (%)

187 (26.3)

Economic status, n (%)

 Less than average

122 (17.1)

 Average

442 (62.0)

 More than average

149 (20.9)

Educational qualification, n (%)

High school

282 (40.3)

  > High school

417 (59.7)

Anxiety by HADS, n (%)

106 (16.1)

Depression by HADS, n (%)

154 (23.1)

  1. Missing values were omitted from percentage calculation
  2. SD Standard deviation, IQR Interquartile range, HADS Hospital Anxiety and Depression Scale