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Table 1 Baseline characteristics of the study population in the Kangwha Cohort Study in Korean men, according to the LSI

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

  

LSI (N = 821)

 

F or χ2 value

Characteristics

Satisfied

Intermediate

Unsatisfied

 
 

26-40

16-25

0-15

 
 

(N = 281)

(N = 316)

(N = 224)

 
 

Mean ± SD

Mean ± SD

Mean ± SD

 

Age (years)

73.2 ± 5.5

72.8 ± 5.3

73.4 ± 5.2

1.01

BMI (kg/m2)

21.5 ± 2.8

21.3 ± 3.1

20.9 ± 2.8

3.06*

 

N (%)

N (%)

N (%)

 

Chronic diseasea

   

15.8**

   Never

192 (68.3)

205 (64.9)

116 (51.8)

 

   Ever

89 (31.7)

111 (35.1)

108 (48.2)

 

Education

   

14.9**

   No

80 (28.5)

93 (29.4)

95 (42.4)

 

   Elementary

180 (64.1)

192 (60.8)

115 (51.3)

 

   High

21 (7.5)

31 (9.8)

14 (6.3)

 

Smoking

   

7.29

   Never

82 (29.2)

68 (21.5)

51 (22.8)

 

   Former

47 (16.7)

58 (18.4)

42 (18.8)

 

   Current

    

1-19 tobacco/day

76 (27.1)

81 (25.6)

63 (28.1)

 

≥20 tobacco/day

76 (27.1)

109 (34.5)

68 (30.4)

 

Alcohol drinking

   

4.20

   Non-drinkers

132 (47.0)

129 (40.8)

86 (38.4)

 

Drinkers

149 (53.0)

187 (59.2)

138 (61.6)

 

Cognitive impairment

   

6.33*

   Normal (≥15)

271 (96.4)

295 (93.4)

204 (91.1)

 

   Impairment (< 15)

10 (3.6)

21 (6.6)

20 (8.9)

 

ADL

   

9.78**

   Normal

281 (100.0)

315 (99.7)

219 (97.8)

 

   Abnormal

0 (0.0)

1 (0.3)

5 (2.2)

 

IADL

   

21.8**

   Normal

169 (60.1)

164 (51.9)

88 (39.3)

 

   Abnormal

112 (39.9)

152 (48.1)

136 (60.7)

 
  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?"