Skip to main content
. 2017 Aug 9;12(8):e0182792. doi: 10.1371/journal.pone.0182792

Table 1. Characteristics of the sample(n = 1152).

Variables Total sample
n = 1152
Community-dwelling
n = 622
Hospitals
n = 530
Age in years (Mean ± SD) 71.69±8.13 70.65±6.53 72.91±9.54
≥60 years old (n/%) 523(45.4) 286(46.0) 237(44.7)
≥70 years old (n/%) 397(34.5) 258(41.5) 139(26.2)
≥80 years old (n/%) 206(17.8) 78(12.5) 128(24.1)
≥90 years old (n/%) 26(2.3) 0(0.0) 26(5.0)
Gender (n/%)
Male 613(53.2) 325(52.3) 288(54.3)
Female 539(46.8) 297(47.7) 242(45.7)
BMI(Mean ± SD) 20.61±2.58 21.38±2.47 19.80±2.39
Marital status (n/%)
Single 4(0.3) 2(0.3) 2(0.4)
Married 829(72.0) 483(77.7) 346(65.3)
Divorced 7(0.6) 5(0.8) 2(0.4)
Widowed 299(26.0) 129(20.7) 170(31.9)
No response 13(1.1) 3(0.5) 10(2.0)
Education (n/%)
≤9 years 663(57.6) 378(60.8) 285(53.8)
>9years and ≤12 years 286(24.8) 143(23.0) 143(27.0)
>12 years 203(17.6) 101(16.2) 102(19.2)
Smoking habits (n/%)
Yes 926(80.4) 490(78.8) 436(82.3)
No 226(19.6) 132(21.2) 94(17.7)
Alcohol drinking habits (n/%)
Yes 920(79.8) 479(77.0) 441(83.2)
No 232(20.2) 143(23.0) 89(16.8)
Health insurance (n/%)
Yes 1123(97.5) 611(98.2) 512(96.6)
No 29(2.5) 11(1.8) 18(3.4)
Chronic diseases (n/%)
Yes 650(56.42) 209(33.6) 441(83.2)
No 502(43.58) 413(66.4) 89(16.8)

BMI: body mass index.