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Table 2 Baseline characteristics of the study population in the Kangwha Cohort Study in Korean women, according to the LSI

From: Life satisfaction and mortality in elderly people: The Kangwha Cohort Study

  

LSI

 

F or χ2

  

(N = 1118)

 

value

Characteristics

Satisfied

Intermediate

Unsatisfied

 
 

26-40

16-25

0-15

 
 

(N = 380)

(N = 376)

(N = 362)

 
 

Mean ± SD

Mean ± SD

Mean ± SD

 

Age (years)

73.5 ± 6.2

73.1 ± 6.0

73.3 ± 5.9

0.42

BMI (kg/m2)

22.8 ± 3.6

22.1 ± 3.4

22.3 ± 3.9

3.63*

 

N (%)

N (%)

N (%)

 

Chronic diseasea

   

6.34*

   Never

251 (65.0)

227 (60.4)

207 (57.2)

 

   Ever

129 (34.0)

149 (39.6)

155 (42.8)

 

Education

   

5.60

   No

282 (74.2)

292 (77.7)

285 (78.7)

 

   Elementary

96 (25.3)

80 (21.3)

71 (19.6)

 

   High

2 (0.5)

4 (1.1)

6 (1.7)

 

Smoking

   

17.6**

   Never

334 (87.9)

315 (83.8)

280 (77.4)

 

   Former

4 (1.1)

8 (2.1)

14 (3.9)

 

   Current

    

1-19 tobacco/day

33 (8.7)

40 (10.6)

56 (15.5)

 

≥20 tobacco/day

9 (2.4)

13 (3.5)

12 (3.3)

 

Alcohol drinking

   

0.88

   Non-drinkers

348 (91.6)

338 (89.9)

325 (89.8)

 

Drinkers

32 (8.4)

38 (10.1)

37 (10.2)

 

Cognitive impairment

   

2.43

   Normal (≥15)

286 (75.3)

287 (76.3)

259 (71.6)

 

   Impairment (< 15)

94 (24.7)

89 (23.7)

103 (28.4)

 

ADL

   

0.70

   Normal

377 (99.2)

371 (98.7)

359 (99.2)

 

   Abnormal

3 (0.8)

5 (1.3)

3 (0.8)

 

IADL

   

9.26**

   Normal

157 (41.3)

146 (38.8)

112 (30.9)

 

   Abnormal

223 (58.7)

230 (61.2)

250 (69.1)

 
  1. *p < 0.05, **p < 0.01
  2. aStudy participants were asked to answer yes or no to the question: "Do you have any chronic disease or past accident or injury for which you feel uncomfortable in your daily lives, including work?"