Journal List > J Korean Acad Nurs > v.47(1) > 1003290

Lee and Hong: Development of the Meaning in Life Scale for Older Adults

Abstract

Purpose

The purpose of this study was to develop and test the psychometric properties of the newly developed instrument, Meaning in Life, for elderly Korean people.

Methods

Ten older adults participated in the qualitative research used to develop the initial items. Participants for the psychometric testing were 371 community-dwelling older adults. Validity and reliability analyses included content, construct, and criterion-related validities, internal consistency, and test-retest reliability.

Results

The Meaning in Life Scale consisted of 12 items with three distinct factors; value of life, source of life, and will to live, which explained 86.7% of the total variance. A three-factor structure was validated by confirmatory factor analysis. Criterion-related validity was supported by comparison with the Purpose in Life Test (r=.74). Reliabilities were secured with test-retest reliability of Intra-class Correlation Coefficient (ICC) .85 and the Cronbach's alpha coefficient .90.

Conclusion

The results of this study indicate that this instrument is useful to measure meaning in life in Korean elders.

Figures and Tables

Table 1

Demographic Characteristics of Participants

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Characteristics Categories Total (n=371) Participants for EFA (n=200) Participants for CFA(n=171) t or χ2 p
n (%) or M±SD n (%) or M±SD n (%) or M±SD
Age (yr) (range: 65~90) 74.96±5.70 75.17±5.78 74.72±5.61 0.76 .448
Gender Female 227 (61.2) 122 (61.0) 105 (61.4) 0.01 .937
Male 144 (38.8) 78 (39.0) 66 (38.6)
Education No formal education 32 (8.6) 17 (8.5) 15 (8.8) 2.08 .722
Elementary school 101 (27.2) 56 (28.0) 45 (26.3)
Middle school 99 (26.7) 58 (29.0) 41 (24.0)
High school 87 (23.5) 44 (22.0) 43 (25.1)
≥College 52 (14.0) 25 (12.5) 27 (15.8)
Marital status Unmarried 6 (1.6) 3 (1.5) 3 (1.8) 3.81 .282
Married 255 (68.8) 131 (65.5) 124 (72.5)
Divorced/separated 19 (5.1) 9 (4.5) 10 (5.8)
Bereaved 91 (24.5) 57 (28.5) 34 (19.9)
Living arrangement Living with family 285 (76.8) 151 (75.5) 134 (78.4) 0.42 .515
Living alone 86 (23.2) 49 (24.5) 37 (21.6)
Number of children (range: 1~5) 3.55±1.03 3.62±1.01 3.48±1.05 1.26 .208
Religion No 104 (28.0) 58 (29.0) 46 (26.9) 0.20 .654
Yes 267 (72.0) 142 (71.0) 125 (73.1)
Perceived economic status Good 41 (11.1) 23 (11.5) 18 (10.5) 2.41 .300
Moderate 210 (56.6) 106 (53.0) 104 (60.8)
Poor 120 (32.3) 71 (35.5) 49 (28.7)
Perceived health status Good 74 (19.9) 39 (19.5) 35 (20.5) 0.05 .973
Moderate 155 (41.8) 84 (42.0) 71 (41.5)
Poor 142 (38.3) 77 (38.5) 65 (38.0)

EFA=Exploratory factor analysis; CFA=Confirmatory factor analysis.

Table 2

Factor Loadings from First Wave EFA of MLS (N=200)

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Item Contents Factors
1 2 3
13 I want to die quickly. .85 -.42 -.46
2 I want to live long. .71 -.32 -.43
7 I have no reason to live. .65 -.38 -.51
3 I think dying is better than living with a sick condition. .55 -.14 -.32
6 I have a neighbor to share the worries of life. .53 -.37 -.47
5 I like to get along with other people. .51 -.47 -.46
16 My family cares greatly for my life. .31 -.91 -.37
9 My family respects me. .36 -.80 -.50
11 I can share life's concerns with my family. .41 -.76 -.29
20 Helping others makes my life .55 -.45 -.75
21 I know what makes my life .57 -.39 -.73
19 I have a purpose for my life. .55 -.49 -.73
18 I am satisfied with the way I have lived my life. .56 -.49 -.64
25 Life is worthy living. .49 -.53 -.63
15 I have hobbies such as singing or dancing. .53 -.47 -.63
26 God leads me in the right path. .22 -.13 -.47
Eigen value 4.71 4.18 4.71
Explained variance (%) 29.4 26.1 29.4
Total explained variance (%) 29.4 55.5 84.9

EFA=Exploratory factor analysis; MLS=Meaning in life scale.

Table 3

Factor Loadings from Second Wave EFA and Reliability Coefficients of MLS (N=200)

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Item Contents Factors ITC (r)
1 2 3
20 Helping others makes my life .74 -.44 .52 .57
19 I have a purpose for my life. .73 -.48 .54 .60
21 I know what makes my life important. .73 -.38 .55 .40
25 Life is worthy living. .65 -.54 .50 .51
18 I am satisfied with the way I have lived my life. .65 -.49 .55 .55
15 I have hobbies such as singing or dancing. .63 -.46 .52 .67
26 God leads me in the right path. .47 -.12 .20 .59
16 My family cares greatly for my life. .37 -.92 .29 .65
9 My family respects me. .49 -.79 .34 .69
11 I can share life's concerns with my family. .29 -.75 .39 .66
13 I want to die quickly. .46 -.42 .88 .68
2 I want to live long. .43 -.32 .72 .66
7 I have no reason to live. .51 -.37 .62 .31
3 I think dying is better than living with a sick condition. .32 -.14 .56 .66
Eigen value 4.29 3.78 4.06
Explained variance (%) 30.7 27.0 29.0
Total explained variance (%) 30.7 57.7 86.7

EFA=Exploratory factor analysis; MLS=Meaning in life scale; ITC=Itemtotal correlation.

Table 4

Confirmatory Factor Analysis of MLS (N=171)

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Item Factors Standardized estimates SE C.R. p AVE Construct reliability
15 Value of life .73 .10 10.11 <.001 .94 .99
18 .77 .10 10.94 <.001
19 .76 .10 10.65 <.001
20 .80 - - -
21 .78 .09 11.01 <.001
25 .75 .09 10.64 <.001
9 Source of life .75 .11 8.79 <.001 .93 .97
11 .65 .13 7.87 <.001
16 .81 - - -
2 Will to live .79 - - - .89 .96
7 .63 .08 7.61 <.001
13 .75 .10 8.85 <.001
Fitness index χ2 (p) df CMIN/DF GFI SRMR RMSEA (90% CI) TLI CFI
Criteria (>.05) ≤3 ≥.90 ≤.08 ≤.10 ≥.90 ≥.90
Model 104.08 (<.001) 51 2.04 .91 .05 .08 (.06~.10) .93 .95

MLS=Meaning in life scale; SE=Standard error; C.R.=Critical ratio; AVE=Average variance extracted; CMIN/DF=Chi-square minimum/degree of freedom; GFI=Goodness of fit index; SRMR=Standardized root mean residual; RMSEA=Root mean square error of approximation; CI=Confidence interval; TLI=Turker lewis index; CFI=Comparative fit index.

Two items were deleted because it was standardized estimates of less than .50.

Table 5

ICC for Test-retest (N=30)

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Test score (M±SD) Retest score (M±SD) Intra-class correlation coefficient (95% CI, p)
37.50±7.46 37.70±6.45 .85 (0.71~0.93, <.001)

ICC=Intra correlation coefficient; CI=Confidence interval.

Appendix

Appendix 1

Meaning in Life Scale

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Notes

CONFLICTS OF INTEREST The authors declared no conflict of interest.

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