1 가천대학교 간호대학
2 고려대학교 간호대학
1College of Nursing, Gachon University, Incheon, Korea
2College of Nursing, Korea University, Seoul, Korea
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Author (year) | Publication | Age of participants (No. of participants) | Design | Measurement of QoL (No. of items) | Statistics | Theoretical framework | Country |
---|---|---|---|---|---|---|---|
Fry (2001) | Journal | 65∼85 yrs (211) | Survey | SF-36 (36) | A hierarchical multivariate linear regression analysis | None | Canada |
Chen et al. (2005) | Journal | Above 50 yrs (200) | Community-based longitudinal, observational study | RAND 36-item health survey (36) | Generalized linear model | None | USA |
Janke et al. (2008) | Journal | Above 60 yrs (154) | Secondary analysis | Life satisfaction (1) | Path analysis | None | USA |
Yahaya et al. (2010) | Journal | Above 60 yrs (299) | Secondary analysis | Perceived quality of life (1) | Multinomial regression | None | Malaysia |
Kim (2014) | Journal | Above 65 yrs (1,378) | Secondary analysis | Life satisfaction (1) | Multiple regression | None | Korea |
Liu (2014) | Dissertation | Above 60 yrs (90) | Quantitative cross-sectional study | WHOQOL-BREF for Taiwan (28) | Multiple regression | Middle-range theory of transitions | Taiwan |
Quality assessment | Fry (2001) | Chen et al. (2005) | Janke et al. (2008) | Yahaya et al. (2010) | Kim (2014) | Liu (2014) |
---|---|---|---|---|---|---|
Was the research question or objective in this paper clearly stated? | ● | ● | ● | ● | ● | ● |
Was the study population clearly specified and defined? | ● | ● | ● | ● | ● | ● |
Was the participation rate of eligible persons at least 50%? | ● | ● | ● | ● | ● | ● |
Were all the subjects selected or recruited from the same or similar populations (including the same time period)? Were inclusion and exclusion criteria for being in the study prespecified and applied uniformly to all participants? | ● | ● | ● | ● | ● | ● |
Was a sample size justification, power description, or variance and effect estimates provided? | ○ | ○ | ○ | ○ | ○ | ● |
Were the exposure measures (independent variables) clearly defined, valid, reliable, and implemented consistently across all study participants? | ● | ● | ◑ | ◑ | ● | ● |
Were the outcome measures (dependent variables) clearly defined, valid, reliable, and implemented consistently across all study participants? | ● | ● | ◑ | ◑ | ◑ | ● |
Was loss to follow-up after baseline 20% or less? | ● | ◑ | ◑ | ◑ | ◑ | ◑ |
Were key potential confounding variables measured and adjusted statistically for their impact on the relationship between exposure(s) and outcome(s)? | ● | ● | ◑ | ○ | ● | ○ |
Category | Variables | Fry (2001) | Chen et al. (2005) | Janke et al. (2008) | Yahaya et al. (2010) | Kim (2014) | Liu (2014) |
---|---|---|---|---|---|---|---|
Demographics | Age | ○ | ○ | ○ | ○ | ○ | ● |
Gender | ○ | ● | ● | ○ | |||
Education | ● | ● | ● | ○ | |||
Socio-economic status | ● | ● | ○ | ● | ● | ||
Pension | ○ | ||||||
Ethnicity | ○ | ○ | ○ | ||||
Region | ● | ||||||
Employment | ○ | ● | |||||
Characteristics of family | Marriage year | ○ | ○ | ● | |||
Widowhood year | ○ | ○ | ● | ||||
Past relationship with spouse | ○ | ||||||
Number of children | ○ | ||||||
Frequency of children meeting | ● | ||||||
Health behavior and status | Exercise | ● | |||||
Sleep | ● | ||||||
Diet | ● | ||||||
Medical check-up | ○ | ||||||
Subjective health status | ○ | ● | ● | ||||
Physical health | ○ | ||||||
Prescribed medication | ● | ||||||
Chronic condition (diseases) | ○ | ○ | ○ | ||||
Functional disability (ADL) | ○ | ○ | |||||
Self-efficacy | ● | ||||||
Psychological status | ○ | ○ | |||||
Depression | ● | ● | |||||
Social activity and resource | Satisfaction of leisure | ● | |||||
Satisfaction of relationship | ● | ||||||
Contacting friends | ● | ||||||
Social support resource | ○ |
Author (year) | Publication | Age of participants (No. of participants) | Design | Measurement of QoL (No. of items) | Statistics | Theoretical framework | Country |
---|---|---|---|---|---|---|---|
|
Journal | 65∼85 yrs (211) | Survey | SF-36 (36) | A hierarchical multivariate linear regression analysis | None | Canada |
|
Journal | Above 50 yrs (200) | Community-based longitudinal, observational study | RAND 36-item health survey (36) | Generalized linear model | None | USA |
|
Journal | Above 60 yrs (154) | Secondary analysis | Life satisfaction (1) | Path analysis | None | USA |
|
Journal | Above 60 yrs (299) | Secondary analysis | Perceived quality of life (1) | Multinomial regression | None | Malaysia |
|
Journal | Above 65 yrs (1,378) | Secondary analysis | Life satisfaction (1) | Multiple regression | None | Korea |
|
Dissertation | Above 60 yrs (90) | Quantitative cross-sectional study | WHOQOL-BREF for Taiwan (28) | Multiple regression | Middle-range theory of transitions | Taiwan |
Quality assessment |
|
|
|
|
|
|
---|---|---|---|---|---|---|
Was the research question or objective in this paper clearly stated? | ● | ● | ● | ● | ● | ● |
Was the study population clearly specified and defined? | ● | ● | ● | ● | ● | ● |
Was the participation rate of eligible persons at least 50%? | ● | ● | ● | ● | ● | ● |
Were all the subjects selected or recruited from the same or similar populations (including the same time period)? Were inclusion and exclusion criteria for being in the study prespecified and applied uniformly to all participants? | ● | ● | ● | ● | ● | ● |
Was a sample size justification, power description, or variance and effect estimates provided? | ○ | ○ | ○ | ○ | ○ | ● |
Were the exposure measures (independent variables) clearly defined, valid, reliable, and implemented consistently across all study participants? | ● | ● | ◑ | ◑ | ● | ● |
Were the outcome measures (dependent variables) clearly defined, valid, reliable, and implemented consistently across all study participants? | ● | ● | ◑ | ◑ | ◑ | ● |
Was loss to follow-up after baseline 20% or less? | ● | ◑ | ◑ | ◑ | ◑ | ◑ |
Were key potential confounding variables measured and adjusted statistically for their impact on the relationship between exposure(s) and outcome(s)? | ● | ● | ◑ | ○ | ● | ○ |
Category | Variables |
|
|
|
|
|
|
---|---|---|---|---|---|---|---|
Demographics | Age | ○ | ○ | ○ | ○ | ○ | ● |
Gender | ○ | ● | ● | ○ | |||
Education | ● | ● | ● | ○ | |||
Socio-economic status | ● | ● | ○ | ● | ● | ||
Pension | ○ | ||||||
Ethnicity | ○ | ○ | ○ | ||||
Region | ● | ||||||
Employment | ○ | ● | |||||
Characteristics of family | Marriage year | ○ | ○ | ● | |||
Widowhood year | ○ | ○ | ● | ||||
Past relationship with spouse | ○ | ||||||
Number of children | ○ | ||||||
Frequency of children meeting | ● | ||||||
Health behavior and status | Exercise | ● | |||||
Sleep | ● | ||||||
Diet | ● | ||||||
Medical check-up | ○ | ||||||
Subjective health status | ○ | ● | ● | ||||
Physical health | ○ | ||||||
Prescribed medication | ● | ||||||
Chronic condition (diseases) | ○ | ○ | ○ | ||||
Functional disability (ADL) | ○ | ○ | |||||
Self-efficacy | ● | ||||||
Psychological status | ○ | ○ | |||||
Depression | ● | ● | |||||
Social activity and resource | Satisfaction of leisure | ● | |||||
Satisfaction of relationship | ● | ||||||
Contacting friends | ● | ||||||
Social support resource | ○ |
QoL: Quality of life, SF-36: 36-Item short form health survey questionnaire, WHOQOL-BREF: World health organization quality of life-BREF.
●: Yes, ◑: Can’t tell, ○: No.
ADL: Activities of Daily Living, ●: Significant factor, ○: Not significant factor.