• Journal of Preventive Medicine and Public Health
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• v.54 no.5
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• pp.317-329
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• 2021

Objectives: The aim of this study was to identify the association between cohabitation status and sleep quality in family members of people with dementia (PwDs). Methods: Data of 190 365 participants aged ≥19 years from the 2018 Korea Community Health Survey were analyzed. Participants were categorized according to their cohabitation status with PwDs. Multiple logistic regression and ordinal logistic regression analyses were performed to evaluate the relationship between the cohabitation status of PwDs' relatives and sleep quality measured using the Pittsburgh Sleep Quality Index (PSQI) and PSQI subscales. Results: Compared to participants without PwDs in their families, both cohabitation and non-cohabitation with PwDs were associated with poor sleep quality (cohabitation, male: odds ratio [OR],1.28; 95% confidence interval [CI], 1.08 to 1.52; female: OR, 1.40; 95% CI, 1.20 to 1.64; non-cohabitation, male: OR, 1.14; 95% CI, 1.05 to 1.24; female: OR, 1.23; 95% CI, 1.14 to 1.33). In a subgroup analysis, non-cohabiting family members showed the highest odds of experiencing poor sleep quality when the PwD lived alone (male: OR, 1.48; 95% CI, 1.14 to 1.91; female: OR, 1.58; 95% CI, 1.24 to 2.01). Cohabiting male and female participants had higher odds of poor subjective sleep quality and use of sleeping medications than non-cohabiting male and female participants, respectively. Conclusions: The residence of PwDs and cohabitation status may contribute to poor sleep quality among PwDs' family members. The circumstances faced by cohabiting and non-cohabiting family members should be considered when evaluating sleep quality in family members of PwDs, and appropriate interventions may be needed to improve sleep quality in both cohabiting and non-cohabiting family members.

• Korean Journal of Adult Nursing
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• v.22 no.5
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• pp.509-518
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• 2010

Purpose: The purpose of this study was to examine the state of unmarried cohabitation and to compare the differences of loneliness and family function among university students with cohabitation experience and those with no experience in Korea. Methods: A convenience sample of 213 university students was recruited from three universities located in G city and the Chonnam area of Korea. Data collection methods included: (a) a demographic questionnaire, (b) a questionnaire related to cohabitation, (c) UCLA scale: 20 items on a 4-point scale (c) Family APGAR questionnaire: 5 items on a 3-point scale. SPSS/WIN 17.0 was used for descriptive analysis, ${\chi}^2$ test, t-test, and Pearson correlation. Results: In this study, 21.1% of the subjects had experiences of unmarried cohabitation. The cohabitation experience was related to gender, age, and monthly income. There was significant differences in family function between the two groups. Loneliness scores were significantly correlated with family function scores in the non-cohabitation group. Conclusion: To improve sex life of the university students, healthcare providers including school nurses may consider family function.

• Clinical and Experimental Reproductive Medicine
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• v.47 no.1
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• pp.77-82
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• 2020

Objective: Irregular patterns of marital cohabitation are a common problem in upper Egypt due to employment conditions. The objective of this study was to investigate the effect of irregular marital cohabitation on the quality of life and sexual function of infertile men. Methods: In total, 208 infertile men were included and divided into two groups. The first group included 134 infertile men with an irregular pattern of marital cohabitation and the second group included 74 infertile men with a regular pattern of marital cohabitation. All subjects were assessed through a clinical evaluation, conventional semen analysis, the fertility quality of life (FertiQoL) questionnaire, the International Index of Erectile Function (IIEF-5) score, and the premature ejaculation diagnostic tool (PMEDT). Results: The two groups were compared in terms of conventional semen parameters, FertiQoL, IIEF-5 score, and PMEDT. Infertile men with an irregular pattern of marital cohabitation had significantly lower subscale and total FertiQoL and IIEF-5 scores. Additionally, they had significantly higher PMEDT scores. Erectile dysfunction and premature ejaculation were more common in them than in infertile men with a regular pattern of marital cohabitation. Conclusion: Irregular patterns of marital cohabitation had an adverse effect on quality of life and sexual function in infertile men.

• Journal of the Korean housing association
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• v.11 no.1
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• pp.13-23
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• 2000

This study is to reveal the multi-generations' cohabitation and housing conditions are necessary for each generations to take over the homelike interchange as maintaining the excessive self-support. The subjects of this survey were 151 men and women over 60 years and older in Mokpo. The survey revealed that most or the people owned their own homes, and in many cases that the parents bought the home. There are many cases in which parents have been living with their own homes, and in many cases that the parents bought the home. There are many cases in which parents have been living with their children's families, since their children got married, and there many people who think that cohabitation is natural. In the aspect of living, the families normally eat together but there is a separation in economy and entertainment. There are many renovation and remodeling of a house to adjust the situation of three generations' cohabitation.About 70% of people experience problems with cohabitation. In particular, many cases involve the

• Korea journal of population studies
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• v.31 no.2
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• pp.77-100
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• 2008

This study explores the implications of increasing cohabitation for the Korean family, by comparing the characteristics of cohabiters with those of married couples and of never-married and divorced people. Data are from the Marriage Registration Files for the years of 1997 through 2005 and Social Statistics Survey conducted in 2006. Results from descriptive statistics and logit analysis generally confirm the predictions of the western literature. First, cohabitation is part of overall changes in the family system. Cohabitation is more prevalent among the previously married than among the never married. Second, the socioeconomic status of cohabiting men is lower than that of married men. Third, according to spouses' employment status, educational levels, and age differences, gender roles are more egalitarian among cohabiting couples than among married couples. The finding that cohabiter characteristics are not similar to those of married couples seems to suggest that cohabitation does not simply represent a trial of marriage out of caution, unlike what most media articles assume. Instead, cohabitation may signify some unconventional circumstances forcing the couple to choose it as an alternative to marriage even temporarily. This and other conjectures discussed in this paper need to be reexamined with more rigorous data, as increasing trend of cohabitation seems to be inevitable in the coming years.

• Journal of Family Relations
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• v.23 no.3
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• pp.51-76
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• 2018

Objectives: This study was to examine literature on postdivorce partnership focused on cohabiting & Living Apart Together(LAT) and prospect postdivorce partnership in Korea in the near future. Method: For this study, domestic and foreign literature were reviewed especially on recent studies on living apart together(LAT). Results: Reviewed overseas studies showed that studies on cohabitation and Living Apart Together(LAT) were increased and prevalent in the divorced as an alternative marriage type following divorce partnership and many research have been proceeded on definition and classification and dynamics in those relationships. Especially studies are on the rise recently on LAT with importance demographically and academically among middle and older people. In comparison to overseas studies, very little research on partnership following divorce, especially on LAT in Korea. Conclusion: Considering increasing divorce rate rapidly in the milddle aged in Korea, it is expected that LAT following divorce might be emerged in the divorced in Korea. Therefore, it is needed to pay a lot of attention to cohabitation following divorce and Living Apart Together(LAT) as a postdivorce partnership and as an alternative type of marriage and to be treated as a significant phenomenon socially and academically.

• Journal of Families and Better Life
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• v.27 no.2
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• pp.293-303
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• 2009

This study reported phenomenological analysis of the interviews with 26 adult grandchildren who had(or have) a cohabitation with grandparents. The research question was what adult grandchildren experienced in living with grandparents. Results indicated that "the aged" was described as generous and wise person, so they had positive attitude toward the elderly. Participants perceived level of benefits of the coresidence with grandparents were higher than the costs in instrumental, material, and emotional supports. The relationship between grandparents and parents was generally intimate. It makes adult grandchildren advocate parents living together in the future. But adult grandchildren plan to get along independently when they grow old.

• Korean Journal of Human Ecology
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• v.16 no.3
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• pp.479-490
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• 2007

This study examines undergraduate students' intimacy toward the grandmother and their attitudes toward the elderly and aging. The study also identifies the variances that influence undergraduate students' intimacy toward the grandmother. The subjects were 397 undergraduates. Statistical analysis was conducted to examine frequency, percentage, mean, standard deviation, Cronbach's ${\alpha}$, t-test, Duncan test, ANOVA, and stepwise multiple regression. The results of this study were as follows; 1) The undergraduates' attitudes were mid-range, but their intimacy level toward their grandmother was high. 2) The undergraduates' intimacy level toward the grandmother differed significantly according to gender, experience of cohabitation, the presence of her, and religion, and it showed a significant correlation with attitudes toward the elderly and aging traits, period of cohabitation, and frequent contact with the grandmother. The undergraduates' intimacy level toward grandmother-in-low, however, was significantly different according to the religion. There was also had a significant correlation with the undergraduate students' attitudes toward the elderly and aging traits. 3) The variables that affect the undergraduates' intimacy level toward the grandmother were attitude, frequency of contact with the grandmother, gender, period of cohabitation, experience of cohabitation, and the presence of the grandmother, which explained about 35% of total variance. Attitudes toward the elderly and aging traits were very important variables for undergraduates' intimacy with their grandmother. The undergraduates' intimacy toward grandmother-in-low was affected by the variables of attitude, religion, experience of volunteer, frequency of contact with the grandmother, gender, and the presence of grandmother, which explained about 24% of the total variance. Attitude toward the elderly and aging traits were the most important variables for undergraduates' intimacy with their grandmother-in-low.

• Journal of fish pathology
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• v.34 no.1
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• pp.1-7
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• 2021

Red sea bream iridovirus (RSIV), belonging to the genus Megalocytivirus, is the predominant cause of mortality in marine fishes in Korea, including rock bream (Oplegnathus fasciatus). Rockfish (Sebastes schlegelii) are the host fish for RSIV, exhibiting no clinical signs or mortality. Cohabitation challenges, which mimicked natural transmission conditions, were performed to evaluate viral transmission between rock bream and rockfish, and to determine the pathogenicity and viral loads. In cohabitation challenge, artificially RSIV-infected rock bream were the viral donor, and healthy rockfish were the recipient. The results showed that although the donor rock bream had 95-100 % cumulative mortality (>10⁸ viral genome copies/mg of spleen 7-14 days after viral infection), the recipient rockfish did not die, even when the viral genome copies in the spleen were >10⁵ copies/mg. These results indicated asymptomatic infections. Notably, in a reverse-cohabitation challenge (artificially RSIV-infected rockfish as the viral donor and healthy rock bream as the recipient), RSIV horizontally infected from subclinical rockfish to rock bream (10⁷ viral genome copies/mg of spleen 21 days after cohabitation) with 10-20% cumulative mortality. These results suggest that an asymptomatic, infected rockfish can naturally transmit the RSIV without being sacrificed.

• Journal of the Korean Institute of Rural Architecture
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• v.13 no.4
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• pp.107-114
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• 2011

According to the aging society, the housing environments of senior citizens who live alone are faced with social various problems. On the dwelling welfare, development of model for the silver house is necessary at the reducing of social expense. Particularly, the silver housing conditions of rural and fishing villages are poor than urban region. The results of this research are as follows. First, the senior citizens who live alone looked to an negative opinion about cohabitation of the aged, but the senior citizens who don't live alone and preliminary old man group showed a positive opinion to the regarding cohabitation. Second, Most of the aged was in poor health, On this account they expressed an opinion that they were opposite to the cohabitation opinion. Although considering health, simultaneous design of both private life and community life shall be reflected to the preferential design element in co-housing of the aged. Through these co-housing for the aged in rural and fishing village, the senior citizens who lives alone have prevented poor housing surroundings, loneliness, loss of role, uneasiness, gloomy, chronic disease.